Moparts

its winter...so how about a "what will it make" post...

Posted By: fast68plymouth

its winter...so how about a "what will it make" post... - 01/28/12 03:13 AM

actually....more like a "what did it make" post.
its a motor i did for a friend of mine last spring.
some of you already know the numbers......so you guys cant play

the plan was for a relatively low RPM BB that would run on mixed gas, and be low maintenance, and run 10.0's at 3450lbs in the summer heat.
the original plan was going to be based on a stock 440 block bored .030 over with a 4.250 crank, for 505ci.

then, the decision was made to use an aftermarket block.

once that decision was made, then it didnt really make sense to stay with 505ci.
i decided on a 4.440 bore with a 4.375 stroke.....542ci.

then, it was deemed worth the extra $$$ to lose the 150lbs by using an aluminum block rather than a heavyweight World iron piece(over 300lbs).

so, its an Indy block, 4.440 bore
*eagle 4.375 crank
*eagle 7.100 rods
*custom Diamond inverted dome pistons, 11.7cr
*plain, old, boring 1/16, 1/16, 3/16 ring pack, std tension oil rings
*EZ-1 heads, chambers ported, bowls blended, valve job, flow 340/230
*roller cam, 272/278-112, .650/.630 lift
(the heads and cam actually were used parts that came from Mark Gates 511 Pacer motor)
*HS 1.5 rockers
*older, non-HP 1050 3 circuit dominator(also from Marks 511)
*440-3 intake
*Hooker 1 7/8" fenderwell headers(long), 3.5" collectors
*center sump deep pan with single line external system

then.....its going in a 3450lb Dart with ladder bars and 30X10.5 radial drag slicks, 4.10 gears and an ATI 8" converter.

lets hear what you got to say.....
Posted By: Ari440

Re: its winter...so how about a "what will it make" post... - 01/28/12 03:17 AM

760-780hp


10.30 10.40s
Posted By: CompWedgeEngines

Re: its winter...so how about a "what will it make" post... - 01/28/12 03:19 AM

Sounds like it should solidly be in the 14's, maybe a high 13 with some tuning. .....ok...ok...I cant play. Now I'm bored.
Posted By: Cab_Burge

Re: its winter...so how about a "what will it make" post... - 01/28/12 03:33 AM

The 440-3 intake is M.W. port size so I'm assuming the heads are to, aluminum block deduct 30 HP so I'm guessing between 800 and 820 HP at or close to 7000 RPM
Posted By: sixpackgut

Re: its winter...so how about a "what will it make" post... - 01/28/12 03:35 AM

evrything similar to my motor except for the cubes and my challenger goes 6.20s at 110mph at over 3500lbs with full exhaust on the car in the 1/8th

so bigger bore, that engine goes 750hp and that car is mid 9s
Posted By: GwaiiEagle

Re: its winter...so how about a "what will it make" post... - 01/28/12 06:10 AM

[Email]767hp@6500[/Email]

[Email]712lbs@5000[/Email]
Posted By: goldmember

Re: its winter...so how about a "what will it make" post... - 01/28/12 06:19 AM

It's 80plus during the day you call that winter? I'd like more info to make more than a WAG. If it only runs 10's you got a tune up problem.Good to see you around.
Posted By: 70blackfish

Re: its winter...so how about a "what will it make" post... - 01/28/12 06:24 AM

are the 1 7/8 headers small?


9.90 -10.10 is what I would say. and 745hp
Posted By: Kevins493

Re: its winter...so how about a "what will it make" post... - 01/28/12 07:38 AM

Either these hp numbers are high for the et predictions or...? I doubt my junk makes 700 and its running 10.0s at 100lb heavier..
FWIW I think 9.90 to 10.10 would be a good guess, although the displacement may help get the car moving quicker so it may dip into the 80s. You have more duration but the displacement should eat that up.
Posted By: tboomer

Re: its winter...so how about a "what will it make" post... - 01/28/12 12:35 PM

My guess is around 785...Hmmm...Mark Gates..How is he doing,Dwayne? Haven't heard that name in a long time!! Does he still have his fishbowl??
Posted By: Dap

Re: its winter...so how about a "what will it make" post... - 01/28/12 03:34 PM

Did the heads have the platinum series port work done to them ?
Posted By: S/ST 3040

Re: its winter...so how about a "what will it make" post... - 01/28/12 04:16 PM

Quote:

Did the heads have the platinum series port work done to them ?




Stage 3

760 HP

Posted By: 440Jim

Re: its winter...so how about a "what will it make" post... - 01/28/12 04:19 PM

Quote:

*Hooker 1 7/8" fenderwell headers(long), 3.5" collectors


As I read the engine combo it sounded like a good, conservative combo...

Then I saw those tiny and long headers on a 542 CID
I would love to see the dyno difference between those headers and your stepped 2 to 2-1/8" dyno headers.

So I am thinking 690 hp at a low peak rpm ~6200, but it might not fall off too bad. I hope it makes more.
I wish I knew what Mark Gate's engine made, since the heads are from that engine.
Posted By: 440Jim

Re: its winter...so how about a "what will it make" post... - 01/28/12 04:30 PM

Guesses so far:

Ari440 760-780hp
Cab Burge 800-820 HP
sixpackgut 750hp
GwaiiEagle [Email]767hp@6500[/Email]
70blackfish 745hp
Kevins493 ? less than 700 ?
tboomer 785
S/ST 3040 760 HP
440Jim 690 hp at a low peak rpm ~6200
Posted By: sshemi

Re: its winter...so how about a "what will it make" post... - 01/28/12 04:48 PM

730 @ 6600
Posted By: Quicktree

Re: its winter...so how about a "what will it make" post... - 01/28/12 04:57 PM

i'll guess 710 but I agree with Jim
Posted By: Streetwize

Re: its winter...so how about a "what will it make" post... - 01/28/12 05:14 PM

I'll say 720 at 6200, the combination of the small exhaust tubes ( collector size is 3.5 so it's probably not quite as bad as it looks ) and EZ-1's built-in 'kinda meh' exhaust flow (compared to a raised port) is going to force the peak RPM to be a tad to the low side, peak torque should come in around 5000 but with the cubes and CR it should be EPIC all the way there. The wider 112 centers should help the torque hang on a while though. An exhaust limited low Peak torque RPM has a way of lowering the HP curve trajectory, but there's F.A.S.T. ways of getting the torque not to drop like a stone.

The guess is on the high side for most but I know Dwayne knows how to make the most of that EZ intake port.

I was gonna ask why not use a raised port but then I realized you probably are dealing with something that might have to fit back into a Fishbowl
Posted By: firefighter3931

Re: its winter...so how about a "what will it make" post... - 01/28/12 05:23 PM

I've seen the car run and it leaves real hard (3-4ft wheelstands) and 60fts very well for the weight. You'll be surprised at the power numbers VS ET's for this beast.

I know what it made so i can't play



Ron
Posted By: B3422W5

Re: its winter...so how about a "what will it make" post... - 01/28/12 05:27 PM

Quote:

760-780hp


10.30 10.40s







It better go 9.70's at least in a 3450 pound car or the stuff should all be thrown in the garbage can. A small block with that compression and that good of head would run that
Posted By: 383man

Re: its winter...so how about a "what will it make" post... - 01/28/12 06:12 PM

My guess would be right around 700 hp. Ron
Posted By: Kevins493

Re: its winter...so how about a "what will it make" post... - 01/28/12 06:18 PM

Ok for an actual guess I'd say 680-700. I think the hp numbers will look low because of the displacement (peak torque at a lower rpm).
Posted By: Performance Only

Re: its winter...so how about a "what will it make" post... - 01/28/12 06:27 PM

665 hp 720 tq
Posted By: sixpackgut

Re: its winter...so how about a "what will it make" post... - 01/28/12 06:34 PM

Quote:

I've seen the car run and it leaves real hard (3-4ft wheelstands) and 60fts very well for the weight. You'll be surprised at the power numbers VS ET's for this beast.

I know what it made so i can't play



Ron




does the ET of the car equal the HP numbers on wallce or morosso slide?
Posted By: quickd100

Re: its winter...so how about a "what will it make" post... - 01/28/12 06:57 PM

690hp Dave
Posted By: firefighter3931

Re: its winter...so how about a "what will it make" post... - 01/28/12 07:00 PM

Quote:

Quote:

I've seen the car run and it leaves real hard (3-4ft wheelstands) and 60fts very well for the weight. You'll be surprised at the power numbers VS ET's for this beast.

I know what it made so i can't play



Ron




does the ET of the car equal the HP numbers on wallce or morosso slide?




Using the Wallace calculator the numbers are off. Wallace indicates that it's making more power for the ET than what it did on Dwayne's dyno. Using Wallace as a reference point this combo would fall into the "overachiever" category.


Ron
Posted By: gregsdart

Re: its winter...so how about a "what will it make" post... - 01/28/12 07:11 PM

This is a tough one, but going by my deal with the same head work roughly, I will guess 725 hp to 700 at 6600 rpm depending on dyno with a peak torque around 4800 rpm. Your dyno numbers have always produced excellent ETs for the numbers, so that is why I qualified it at possible 700 hp. I also figure this package will carry ninety five percent of peak hp from 5200 to over 6900 rpm. All in all, a package i would like to have in my other 65 dart!
Glad to see you on the board, Dwayne!
Posted By: TheBlackCar

Re: its winter...so how about a "what will it make" post... *DELETED* - 01/28/12 08:28 PM

Post deleted by TheBlackCar
Posted By: Cab_Burge

Re: its winter...so how about a "what will it make" post... - 01/28/12 08:59 PM

Quote:

actually....more like a "what did it make" post.
its a motor i did for a friend of mine last spring.
some of you already know the numbers......so you guys cant play

the plan was for a relatively low RPM BB that would run on mixed gas, and be low maintenance, and run 10.0's at 3450lbs in the summer heat.
the original plan was going to be based on a stock 440 block bored .030 over with a 4.250 crank, for 505ci.

then, the decision was made to use an aftermarket block.

once that decision was made, then it didnt really make sense to stay with 505ci.
i decided on a 4.440 bore with a 4.375 stroke.....542ci.

then, it was deemed worth the extra $$$ to lose the 150lbs by using an aluminum block rather than a heavyweight World iron piece(over 300lbs).

so, its an Indy block, 4.440 bore
*eagle 4.375 crank
*eagle 7.100 rods
*custom Diamond inverted dome pistons, 11.7cr
*plain, old, boring 1/16, 1/16, 3/16 ring pack, std tension oil rings
*EZ-1 heads, chambers ported, bowls blended, valve job, flow 340/230
*roller cam, 272/278-112, .650/.630 lift
(the heads and cam actually were used parts that came from Mark Gates 511 Pacer motor)
*HS 1.5 rockers
*older, non-HP 1050 3 circuit dominator(also from Marks 511)
*440-3 intake
*Hooker 1 7/8" fenderwell headers(long), 3.5" collectors
*center sump deep pan with single line external system

then.....its going in a 3450lb Dart with ladder bars and 30X10.5 radial drag slicks, 4.10 gears and an ATI 8" converter.

lets hear what you got to say.....


OK, Dwayne, Fess up, what did it make?
Posted By: fast68plymouth

Re: its winter...so how about a "what will it make" post... - 01/29/12 03:03 AM

okay....here we go.....

when i was putting this motor together i told the customer it "should make somewhere around 700hp with my dyno headers.....and it will probably lose 40-50hp with the car headers".

first sheet.....2-2 1/8 X 4 dyno headers

Attached picture 7041986-LZ542-1.gif
Posted By: fast68plymouth

Re: its winter...so how about a "what will it make" post... - 01/29/12 03:04 AM

and with the car headers....

Attached picture 7041987-LZ542-2.gif
Posted By: 440Jim

Re: its winter...so how about a "what will it make" post... - 01/29/12 04:00 AM

Dwayne, you called that one pretty close.

542 CID, EZ-1 Heads
717.7 hp at 6000 rpm, 677.1 ft-lb at 4500 rpm, 2-2 1/8 X 4 dyno headers (stepped)
678.0 hp at 5900 rpm, 673.3 ft-lb at 4500 rpm, Hooker 1 7/8" fenderwell headers(long)

39.7 hp difference. Time for some new car headers

I bet even the Hooker A-body 2" fenderwells (~43" long) would be 30 hp short of the 2 to 2-1/8 stepped headers.

One more thing, with all that torque at 4500 rpm, it might push the 8" converter stall and shift recovery rpm higher than he expects.
Posted By: rt66jim

Re: its winter...so how about a "what will it make" post... - 01/29/12 04:39 AM

Very nice build Dewayne. And as Greg stated good to see you here again.

PS: How is Mark Gates I miss his posts as well.

Jim
Posted By: Sport440

Re: its winter...so how about a "what will it make" post... - 01/29/12 04:53 AM

I didnt have time to reply earlier , but I figured around 750 hp with decent headers and around 700 hp with the long fenderwells.

What did the car ET at. I bet around 9.20/9.40s or so.
Posted By: Streetwize

Re: its winter...so how about a "what will it make" post... - 01/29/12 05:09 AM

39 Hp up top but look at the torque advantage of the small tubes at 3900 rpm that's 67 Hp in favor of the small tubes! A heavy combo with the right gear and vert probably could et as well or better even if the top end mph wound up lower.

All out race car big headers no doubt....but If this motor was in a heavy dual Purpose car I'd opt for the roll on grunt....That's really not enough head and rpm up top to warrant that big a header unless it was a real light car. Peak torque isn't that much better like a bigger head flow would bring. Maybe an off the shelf 2" x 3 1/2 would be the best balance for this one. And with a full exhaust the peak to peak would likely be less of a spread.

Still an impressive motor!! Like I said I knew the Torque would be massive.
Posted By: Performance Only

Re: its winter...so how about a "what will it make" post... - 01/29/12 05:47 AM

i was only off by 8 HP but missed the torque on a quick guess it would be higher with the smallish cam, heads and headers.

i do find it interesting though reading some of the other guesses puttinbg a combo like that in the 750-820 hp range. just makes me wonder what the guesses were based on.

thanks for sharing,
Posted By: 604 Hemi GTX

Re: its winter...so how about a "what will it make" post... - 01/29/12 06:32 AM

How much more HP would it of made if the comp was 13.5:1?
Just Curious
Kevin
Posted By: TheBlackCar

Re: its winter...so how about a "what will it make" post... *DELETED* - 01/29/12 06:50 AM

Post deleted by TheBlackCar
Posted By: dOrk !

Re: its winter...so how about a "what will it make" post... - 01/29/12 08:36 AM

How are those Indy blocks these days ..... leaks fixed?? ...and at what power level does the block start moving-around? And what do they get for the blocks these days?
Posted By: tboomer

Re: its winter...so how about a "what will it make" post... - 01/29/12 02:47 PM

Quote:

Head flow and Dyno #'s are nice to talk about, but what's it run?
That is the only thing that matters in my opinion. After all, thats what those tools are intended for, making a more efficient race car, right?
So, whats it run? Maybe you're waiting to share the ET info to leave a few scratchin their heads??? Is that why the post had info about the car included?



That is a good question! It is a well thought out combo indeed! And I was way off on my guess!! What does he shift at,Dwayne and cross the stripe at?
Posted By: firefighter3931

Re: its winter...so how about a "what will it make" post... - 01/29/12 02:58 PM

What do you guys think it ran based on the 3450 raceweight and dyno results posted with the 17/8 long tube headers ?

In other words ; how fast would you expect a 680hp combo to go at 3450 lbs



Ron
Posted By: tboomer

Re: its winter...so how about a "what will it make" post... - 01/29/12 02:59 PM

I don't have a clue,Ron!! That is why I asked..
Posted By: Quicktree

Re: its winter...so how about a "what will it make" post... - 01/29/12 03:03 PM

Quote:

i was only off by 8 HP but missed the torque on a quick guess it would be higher with the smallish cam, heads and headers.

i do find it interesting though reading some of the other guesses puttinbg a combo like that in the 750-820 hp range. just makes me wonder what the guesses were based on.

thanks for sharing,


with good headers you were 49 off, I think we all knew that would be an issue with that many cubes. I was only 7hp off
Posted By: 440Jim

Re: its winter...so how about a "what will it make" post... - 01/29/12 03:06 PM

Quote:

39 Hp up top but look at the torque advantage of the small tubes at 3900 rpm that's 67 Hp in favor of the small tubes! A heavy combo with the right gear and vert probably could et as well or better even if the top end mph wound up lower.

All out race car big headers no doubt....


Good point for a street car with very little stall speed. But in a good street/strip or race car with a converter stall near torque peak, the bigger/shorter headers made the same or more power/tq from 4300 on up. The big headers didn't even lose torque at 4500 rpm (torque peak of both).
Posted By: 440Jim

Re: its winter...so how about a "what will it make" post... - 01/29/12 03:24 PM

Quote:

...missed the torque on a quick guess it would be higher with the smallish cam, heads and headers.




Many of us expected a fairly low rpm, but it was even lower than I expected (6000 vs 6200). Do people think the low rpm (both torque and hp peaks) were due more to:

1) head/CID
2) cam duration
3) headers

My feeling is mainly head/CID, especially since the stepped headers didn't raise the peak rpms. Then the cam duration (especially for the CID) would be second.
Posted By: Streetwize

Re: its winter...so how about a "what will it make" post... - 01/29/12 05:27 PM

Cam looked like a really good call
With the limited head flow (340 isn't lot for ~540 cubes) you know it's gonna be RPM limited, that's why I was thinking a 2" x 3 1/2" (like a Pro-parts vs the fenderwell) header might be a great call for an A body. The extra 10 degrees and lobe spread (compared to what you might see in a similar 500" motor) helps pull the power peak higher with the limited head flow. But I think a set of 360-ish ported -1's (with their extra cfm, a bit more port volume AND the better exhaust) would be awesome for this motor, just think, you could run a 337 intake and have a 700+ Hp streetable motor that would fit under the hood. But as Dwayne said, these were the parts Mark had and I totally understand the economics of it. And in an A body I'm not sure you'd have the chassis clearence to run a raised Ex port -1 on an RB block, I know it works with a B block though. But I'm thinking this basic recipie could be a perfect fit for lots of B's and E' that could run a raised port 2" tube header set, or make it a low deck (at least close on the cubes) and run an "off the shelf" 2" header. I certainly understand the appeal of the EZ/EZ-1 with the easier chassis/header fitment, the std rocker offests and conventional oiling though.

As for the torque, Jim I agree but if you consider roll-on power and street "efficiency" for 'real world' driving, that obvious boatload of extra torque below 4000 could still run very decent times even with a much tighter converter and make for a more satifying dual purpose car. The thing I still see time and time again (including several guys on this board who PM me) is guys wanting a 'dual purpose 'car but wind up jumping in the max HP derby, they up the Torque peak RPM and get a vert to match and then the car sits and sits in the garage because it's just not as much fun to drive (again 'real world') as they thought it would be.

Great Thread, need to go in the Archives!!
Posted By: VernMotor

Re: its winter...so how about a "what will it make" post... - 01/29/12 05:42 PM

how fast would you expect a 680hp combo to go at 3450 lbs = 10.0s 9.80s maybe a little quicker ? depend on how well the rest of the car was sorted out.
Posted By: 383man

Re: its winter...so how about a "what will it make" post... - 01/29/12 08:30 PM

I would think it could run very low 10's at 680 hp and 3450 lbs. Ron
Posted By: Big Squeeze

Re: its winter...so how about a "what will it make" post... - 01/29/12 10:41 PM

Quote:

I would think it could run very low 10's at 680 hp and 3450 lbs. Ron




My car is making about 590 at the crank, weighs 3,550 and runs 127, which is enough for 10.30's or maybe a hair better, if I could get it to 60 foot.......so, I'd guess 9.50's-'70s......
Posted By: deaks

Re: its winter...so how about a "what will it make" post... - 01/29/12 10:48 PM

Based on my own set up, i would say 9.70-90 dependent on converter, chassis.
Mick
Posted By: Cab_Burge

Re: its winter...so how about a "what will it make" post... - 01/30/12 12:01 AM

Dwayne, I'm assuming the AFR sensors was on one side, correct? I noiteced the AFR and BSFC didn't seem to jive , especially above 6000 RPM Whats up with that , is there a exhaust leak or what Maybe the needles and seats aren't big enough
Posted By: fast68plymouth

Re: its winter...so how about a "what will it make" post... - 01/30/12 02:56 AM

as for the headers.....they were left over from the previous 446.
they were in decent shape, and werent going to get changed unless the car wouldnt run the number.....which only needed to be a 10.0X in summer air.
the car isnt legal for 9's, and the owner doesnt really have any plans to cross that line.
he would just get a different car and put this motor in it if he wanted to run in the 9's(or quicker).
other than the 6 pak style hood, its an all steel Dart with full interior and stock seats. roll bar, Dana, and the owner is probably around 300lbs.

when he was talking to ATI about the converter, my choice would have been a 9". they assured him they could get an 8" tight enough, and that the efficiency would be better.
the target stall speed was 4800-5000. it flashes 5400. its been back once, still flashes 5400.....and now they say its basically as tight as they can make it.
the good news is......it doesnt slip much on the top end......and it leaves great.
typical summer ET's are mid-9.80's(the local track isnt much of a stickler for having to have the right paperwork/equipment to run in the 9's).
as i recall, speed is in the high 133/mid-134 range during the summer months.
60' times are usually around 1.31.

best ET was a 9.66 this fall, 137mph and its gone 1.29 60' a few times.
also....3 wins this season
Posted By: fast68plymouth

Re: its winter...so how about a "what will it make" post... - 01/30/12 03:04 AM

Quote:

Many of us expected a fairly low rpm, but it was even lower than I expected (6000 vs 6200).



i was hoping for a 6200-6400 peak.....and was also somewhat surprised it occured that low.
i also thought the TQ would be better, but the small heads and moderate CR dont really play well into the wide lsa cam.
again.....alot of it came down to whether or not using that part would keep the car from reaching the goal.
as for which is the biggest player with regards to the low peak......i think its the perfect storm scenario.....big cubes/small heads/small exhaust/moderate CR.
but i agree with you.......bigger & better flowing heads would have made the most difference here.
Posted By: rt66jim

Re: its winter...so how about a "what will it make" post... - 01/30/12 03:09 AM

Dewayne, the title under your screen name is perfect and accurate. Jim
Posted By: fast68plymouth

Re: its winter...so how about a "what will it make" post... - 01/30/12 03:13 AM

Quote:

Dwayne, I'm assuming the AFR sensors was on one side, correct? I noiteced the AFR and BSFC didn't seem to jive , especially above 6000 RPM Whtas up withthat, is there a exhaust leak or what Maybe the needles and seats aren't big enough




Cab, the A/F was calculated from readings taken by the air inlet turbine and the fuel flow turbines.

i dont want to get into a big debate over this because i see people referencing BSFC numbers with regards to a mixture being rich or lean, but its really not the correct way of determining that.

BSFC numbers dont have any direct corrolation to the amount of air and fuel being used by a motor, but are instead a corrolation between fuel used and HP made.
Posted By: fast68plymouth

Re: its winter...so how about a "what will it make" post... - 01/30/12 03:25 AM

Quote:

Dewayne, the title under your screen name is perfect and accurate. Jim




thanks Jim.
but i dont really consider myself any kind of "guru".

more like, just a guy with a knack for engine related stuff
Posted By: sixpackgut

Re: its winter...so how about a "what will it make" post... - 01/30/12 03:27 AM

from wallace. i used 9.66 134 mph 3450 weight

Your HP computed from your vehicle ET 756.44 flywheel HP.
Your HP computed from your vehicle MPH is 664.77 flywheel HP.

maybe that converter has it ET'ing very well the 60s sound really good

when i do my car, the numbers are much closer than they are with this car
Posted By: fast68plymouth

Re: its winter...so how about a "what will it make" post... - 01/30/12 03:30 AM

the 9.66 was at 137mph.
that should make it closer.

also.....the thing has no top end really.
its going out the back at 7000-7100.....and its just flat up there.
at 7000rpm, with the car headers.....its probably only making around 620hp.
Posted By: sixpackgut

Re: its winter...so how about a "what will it make" post... - 01/30/12 03:37 AM

that bumps it to 710

what does the moroso slide say for the combo? i would like to know if wallace is way off
Posted By: Sport440

Re: its winter...so how about a "what will it make" post... - 01/30/12 03:41 AM

With the torque curve of that motor, I would want a 9" vert too.
Posted By: Ari440

Re: its winter...so how about a "what will it make" post... - 01/30/12 03:44 AM

Quote:

that bumps it to 710

what does the moroso slide say for the combo? i would like to know if wallace is way off





710 on the moroso speed calculater
Posted By: sixpackgut

Re: its winter...so how about a "what will it make" post... - 01/30/12 03:48 AM

Quote:

Quote:

that bumps it to 710

what does the moroso slide say for the combo? i would like to know if wallace is way off





710 on the moroso speed calculater




i wouldnt want dwayne dynoing my motor. it would only make 450 on his
Posted By: Performance Only

Re: its winter...so how about a "what will it make" post... - 01/30/12 05:22 AM

Quote:

Quote:

Quote:

that bumps it to 710

what does the moroso slide say for the combo? i would like to know if wallace is way off





710 on the moroso speed calculater




i wouldnt want dwayne dynoing my motor. it would only make 450 on his




hey now, watch it there buddy... i'm sure it would break 500.
Posted By: Big Squeeze

Re: its winter...so how about a "what will it make" post... - 01/30/12 02:24 PM

Quote:



i wouldnt want dwayne dynoing my motor. it would only make 450 on his




X2......Yeah, no kidding!!! lol
Posted By: 440Jim

Re: its winter...so how about a "what will it make" post... - 01/30/12 03:36 PM

Quote:

typical summer ET's are mid-9.80's
60' times are usually around 1.31
best ET was a 9.66 this fall, 137mph and its gone 1.29 60' a few times.


The owner should be very happy with that. It exceeded his expectations, and makes great ET IMO.

If he could fit some 31" tall slicks under it (vs 30), that would help bring the finish line rpm down.
Posted By: Dap

Re: its winter...so how about a "what will it make" post... - 01/30/12 07:02 PM

Quote:

If he could fit some 31" tall slicks under it (vs 30), that would help bring the finish line rpm down




I run the Hoosier 30 x 10.5 radial on my car also. The rollout on that tire is only 92.5". My 29.5 x 10.5 M/T`s look huge next to them. The rollout on those is 94"
Posted By: MOPARCRAZY

Re: its winter...so how about a "what will it make" post... - 01/31/12 12:28 AM

Thanks for the post Dwayne. I finally get a chance to log on and I find a post about my motor...cool. I had a great year with the combo and it accomplished what we wanted and then some. The set up was trouble free and consistent. For each of my different set ups over the last few years, I tell Dwayne what I am trying to do and from there it is a matter of listening to what he tells me to do. He has never missed the mark for me and spends a lot of extra time getting some things through my thick skull! I owe big Thank you to Dwayne and with this set up finally won my first Wally during the National Dragster Cahllenge! I cant wait for this year!!
Lon
Posted By: montessa

Re: its winter...so how about a "what will it make" post... - 01/31/12 01:21 AM

Hey Lon, 300? heh,heh,heh !!
Posted By: TheBlackCar

Re: its winter...so how about a "what will it make" post... *DELETED* - 01/31/12 01:52 AM

Post deleted by TheBlackCar
Posted By: MOPARCRAZY

Re: its winter...so how about a "what will it make" post... - 02/01/12 02:22 PM

Hi Jim,
Maybe I should say the car weighs 3500# so I would only be 250#....
Posted By: Big Squeeze

Re: its winter...so how about a "what will it make" post... - 02/02/12 03:17 AM

Quote:



Maybe I missed it somewhere, but how much timing are you running? Have a tighter convertor you can try?





What does timing matter? I'm sure it runs the amount of timing that made the most power.......

Why would you put a tighter converter in it? It 60 foots and ET's great for the trap speed.....
Posted By: Streetwize

Re: its winter...so how about a "what will it make" post... - 02/02/12 03:19 PM

I agree for a race car that Vert is working great

But to the other point, for a dual purpose car this motor has such Massively Fat torque below 4000 it could be a shame to side-step it when you could maybe put it to work a litle more efficiently

This motor is what I expected from Dwayne, us Old schoolers spent so many years working with the old iron big block heads that simply didn't flow anywhere near what heads do today, or what most of the BB chevy competition had back then. But the torque was there, you just needed to know how to get those head CFM limited under-ported motors to hang on to the torque long enough to get some decent RPM out of those old Iron heads. We could still ET with the chevies....even if they out MPH'ed us. My point is that if you learned how to make the old Junk run Fast (even though it wasn't supposed to "on Paper") makes all these bigger cubes and affordable head flow that much more fun to work with. This thread reminds me of those old days where the combo goes faster than the people peering over the fenders might think it would.

Great thread, Buddy!
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