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baddest small block combo ever #164669
12/09/08 09:05 AM
12/09/08 09:05 AM
Joined: Aug 2007
Posts: 193
south jersey
S
sc287 Offline OP
Bah! Who needs a Hemi?!?!
sc287  Offline OP
Bah! Who needs a Hemi?!?!
S

Joined: Aug 2007
Posts: 193
south jersey
if money wasn't an issue, what would be the combo from block to carb to build the biggest and most powerful small block ever ? all motor, no add-ons. so let me here these combo's guys......

Re: baddest small block combo ever [Re: sc287] #164670
12/09/08 09:41 AM
12/09/08 09:41 AM
Joined: Aug 2003
Posts: 5,000
Tampa Florida
dc426 Offline
gotta keep'm separated
dc426  Offline
gotta keep'm separated

Joined: Aug 2003
Posts: 5,000
Tampa Florida
I don't know much about them. But the pro stock truck small blocks were pretty Bad AZZ! I think Patterson was building them I'm sure someone will chime in.
DC

Re: baddest small block combo ever [Re: dc426] #164671
12/09/08 12:07 PM
12/09/08 12:07 PM
Joined: Jan 2003
Posts: 42,714
Spokane Washington
ScottSmith_Harms Offline
Mr Wizzard
ScottSmith_Harms  Offline
Mr Wizzard

Joined: Jan 2003
Posts: 42,714
Spokane Washington
Drag Race? Road Race? NASCAR? Salt Flats?

Re: baddest small block combo ever [Re: ScottSmith_Harms] #164672
12/09/08 12:14 PM
12/09/08 12:14 PM
Joined: Sep 2004
Posts: 6,906
IL, Aurora
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ademon Offline
master
ademon  Offline
master
A

Joined: Sep 2004
Posts: 6,906
IL, Aurora
Don't forget boat drags/ racing

Re: baddest small block combo ever [Re: ScottSmith_Harms] #164673
12/09/08 12:17 PM
12/09/08 12:17 PM
Joined: Jan 2003
Posts: 11,701
Portage,michigan
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B3422W5 Offline
I Live Here
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Posts: 11,701
Portage,michigan
The most potential is going to be from a w8/48 degree deal, but frankly, i have personally not yet seen anything in that configuration NA that runs near what you would "think it should"
Dont know if nobody has hit on the right combo or what, or maybe there are cars out there i dont know of.

If i was going to make " for sure" big power, i would probably use the indy raised port 245 cnc deal on a 48 degree block,430-450 cubes, with lots of compression, big roller, pro systems dominator, light rings, good evac system, etc.

I would think the above combination, well sorted out, would propel any 3000 pound ish car into the 8's easily


69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8

Re: baddest small block combo ever [Re: B3422W5] #164674
12/09/08 12:25 PM
12/09/08 12:25 PM

A
Anonymous
Unregistered
Anonymous
Unregistered
A



Seems like the WoO Sprint Cars make amazing horsepower. Not sure what combo they use, though.

Re: baddest small block combo ever [Re: sc287] #164675
12/09/08 12:27 PM
12/09/08 12:27 PM
Joined: Jun 2006
Posts: 834
Beavercreek, Ohio
OA5599 Offline
super stock
OA5599  Offline
super stock

Joined: Jun 2006
Posts: 834
Beavercreek, Ohio
Digital radio killers couldn't even stop this one.


4867716-turbo1.jpg (2318 downloads)
Re: baddest small block combo ever #164676
12/09/08 12:28 PM
12/09/08 12:28 PM
Joined: Jan 2003
Posts: 19,304
Las Vegas
Al_Alguire Offline
I Live Here
Al_Alguire  Offline
I Live Here

Joined: Jan 2003
Posts: 19,304
Las Vegas
Well there are a number of small Hemi's in Comp Eliminator that run pretty dang hard.


"I am not ashamed to confess I am ignorant of what I do not know."

"It's never wrong to do the right thing"
Re: baddest small block combo ever [Re: B3422W5] #164677
12/09/08 12:30 PM
12/09/08 12:30 PM
Joined: Jan 2003
Posts: 42,714
Spokane Washington
ScottSmith_Harms Offline
Mr Wizzard
ScottSmith_Harms  Offline
Mr Wizzard

Joined: Jan 2003
Posts: 42,714
Spokane Washington
Quote:

If i was going to make " for sure" big power, i would probably use the indy raised port 245 cnc deal on a 48 degree block,430-450 cubes, with lots of compression, big roller, pro systems dominator, light rings, good evac system, etc.





In other words start with a factory Mopar small block, throw it in the dumpster, build an entirely new custom design from scratch, and you'll have a killer engine combo.


Re: baddest small block combo ever [Re: ScottSmith_Harms] #164678
12/09/08 01:29 PM
12/09/08 01:29 PM
Joined: Jan 2003
Posts: 16,122
Grand Haven, MI
patrick Offline
I Live Here
patrick  Offline
I Live Here

Joined: Jan 2003
Posts: 16,122
Grand Haven, MI
well....depends on your definition of a small-block....

you're looking aftermarket block for strength.....

a P5 head probably has more raw HP potential than any W7/8/9,
but there, you're talking very little in common with a factory SBM, save maybe bore centers.

bar none, the latest 5.7/6.1 hemi package has the most potential power of any stock "small block mopar" layout. they share bore spacing, bore, stroke, & main bearing size with older LA motors, and could be lumped into the "small block" category just as easily as a P5 engine or even a 48 degree W7/8/9 motor...

realistically the OEM 6.1 heads, max ported, have as much raw flow potential as a W7/8/9, plus the added benefit of no valve shrouding due to the valves opening up away from the bore...


1976 Spinnaker White Plymouth Duster, /6 A833OD
1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!***
2011 Toxic Orange Dodge Charger R/T
2017 Grand Cherokee Overland
2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)
Re: baddest small block combo ever [Re: Al_Alguire] #164679
12/09/08 02:55 PM
12/09/08 02:55 PM
Joined: May 2004
Posts: 12,379
Taxes & Virus's R-US, NY
Dragula Offline
I Live Here
Dragula  Offline
I Live Here

Joined: May 2004
Posts: 12,379
Taxes & Virus's R-US, NY
Quote:

Well there are a number of small Hemi's in Comp Eliminator that run pretty dang hard.




P5 Hemi in my book wins it hands down....985hp proven from them out of only 357 cubes!!!! 7.42 at 181mph in a truck!

4867980-P5Hemi.JPG (838 downloads)
Last edited by Dragula; 12/09/08 03:00 PM.

'70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk
Re: baddest small block combo ever [Re: Dragula] #164680
12/09/08 03:53 PM
12/09/08 03:53 PM
Joined: Nov 2003
Posts: 3,060
Western New York
sixpackbee Offline
master
sixpackbee  Offline
master

Joined: Nov 2003
Posts: 3,060
Western New York
Quote:

P5 Hemi in my book wins it hands down....



No question.


1959 Bugeye Sprite
1967 Charger Black L code
1967 Coronet R/T Convert Green 440 auto bought from original owner
1968 Charger R/T Bronze 440 4 spd console AM/FM
1969 Super Bee WM21H B5 A40 D21 N96
1969 Barracuda Formula S 340 Convert pilot car
1969 Hemi Road Runner RM23J D32 Omaha orange 4.10 Dana N96 N85
1970 Super Bee WM23N FE5 V1X 3.91 axle package, N96
1970 Road Runner RM21N B3 V1X D13
1971 MG Midget
1971 Road Runner RM23H GW3, A57
1972 Road Runner RM23P FY1, D21
Re: baddest small block combo ever [Re: sixpackbee] #164681
12/09/08 05:10 PM
12/09/08 05:10 PM
Joined: Jan 2008
Posts: 622
sing sing
U
unknown Offline
mopar
unknown  Offline
mopar
U

Joined: Jan 2008
Posts: 622
sing sing
another one for the R4 block P5 head.

Re: baddest small block combo ever [Re: unknown] #164682
12/09/08 06:59 PM
12/09/08 06:59 PM
Joined: Jan 2003
Posts: 2,872
CheddarHead till October
weedlayer Offline
master
weedlayer  Offline
master

Joined: Jan 2003
Posts: 2,872
CheddarHead till October
mine is pretty bad according to all the eggspurts on this site. wrong parts, wrong, this, wrong that, just plain bad.

Re: baddest small block combo ever [Re: weedlayer] #164683
12/09/08 07:30 PM
12/09/08 07:30 PM
Joined: Jan 2008
Posts: 622
sing sing
U
unknown Offline
mopar
unknown  Offline
mopar
U

Joined: Jan 2008
Posts: 622
sing sing
Quote:

mine is pretty bad according to all the eggspurts on this site. wrong parts, wrong, this, wrong that, just plain bad.


Dont worry every thing will be all right

Re: baddest small block combo ever [Re: unknown] #164684
12/09/08 07:36 PM
12/09/08 07:36 PM
Joined: Nov 2007
Posts: 778
Sherwood park, Alberta.
go green Offline
super stock
go green  Offline
super stock

Joined: Nov 2007
Posts: 778
Sherwood park, Alberta.
P5 set up with GT4788 twin turbos on methanol should be good for 2000 HP.


That would be killer



6.50 @ 226 MPH 4.25 @ 186 MPH
https://www.youtube.com/watch?v=YX86DHGKBo0
Re: baddest small block combo ever [Re: go green] #164685
12/09/08 08:27 PM
12/09/08 08:27 PM
Joined: May 2007
Posts: 636
Central,Ohio
FASTFISH420 Offline
mopar
FASTFISH420  Offline
mopar

Joined: May 2007
Posts: 636
Central,Ohio
The R4 P5 stuff is way cool,but you cant go real big on the cubes because the block..and those engines are way hard to find..

Here is a good run down on a very high HP small block,with wedge head...

R3 block
60mm cam almost a inch lift
420 to 440 cubic inch
very light weight crank aka,LA enterprise,winberg,etc
GRP rods,
custom Diamond pistons
A double throw down set of W8 10 to 13 degree CFE heads.
CFE sheetmatal manifold
dual 4500 dominators
external single stage peterson oil pump with star vacuum pump.

I think you could make 1050 to 1075hp..yes with a wedge head!!

I also think you could get 1000hp with cast manifold,single four at 420 to 440 inch also

Last edited by FASTFISH420; 12/09/08 08:33 PM.

1969 Barracuda 8 second all/motor small block 2014 Shelby GT500 Mustang Uratchko Racing Engines www.URE-RACING.com
Re: baddest small block combo ever [Re: FASTFISH420] #164686
12/09/08 08:30 PM
12/09/08 08:30 PM
Joined: Sep 2003
Posts: 10,645
Houston, Tx
A
AlexP Offline
I Live Here
AlexP  Offline
I Live Here
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Joined: Sep 2003
Posts: 10,645
Houston, Tx
We got 384cfm out of a full port production 6.1 casting head with a stock 2.08 valve. Nothing exotic at all. Its the low/mid range numbers that really make the heads stand out.


My Build thread: Let the hemi swap begin!

1968 wanna be pro touring whatchamacallit with some fancy stuff and a new roof skin.
Re: baddest small block combo ever [Re: AlexP] #164687
12/09/08 09:08 PM
12/09/08 09:08 PM
Joined: Nov 2004
Posts: 4,330
Lynchburg, VA
Leon441 Offline
master
Leon441  Offline
master

Joined: Nov 2004
Posts: 4,330
Lynchburg, VA
The 6.1 HEMI stuff is awesome no doubt. But, they are limited cubes and valve lift.

The R4/P5 stuff is awesome, Limited cubes

W8 not running good NA and talking up the Indy's Come on put the joint down. 8.4's in a backhalf doorslammer NA aint fast.

I feel a few years ago my 468 CID W8 with a cast intake and single 4-barrel made big power NA. No dyno sheets to prove it but with a nitrous cam and converter it ran 150MPH at 3,400 lbs NA.

The awesome engine would be a 6.1 based hemi aftermarket head and block that could go over 500 inches with sheetmetal intake and 4 split dominators. Or a P7 casting drag race ported with an XR block in place of the Hemi.

Everyone is scared to order a custom billet crank and make big cubic inches. I have ran many larger than 400 inch combos. I'm sorry but the bigger you go the more power they make as long as it can breath.

The match racers Sonny builds for have no better available parts than what is being promised for the small block Mopar. I just don't know why Mopar guys even talk about it. Obviously none have the will to pay for it. I have had a 900 HP small block for sale for over a year. Complete for $20,000. I get the PM's from people who thought they could build cheaper all the time after they find they couldn't. It's hard to see people manufactur parts for the small block mopar when truth is the sales won't pay for the paper it took to draw the plans up.

Leon


Career best 8.02 @ 169 at 3050# and 10" tires small block power.
Re: baddest small block combo ever [Re: Leon441] #164688
12/09/08 09:12 PM
12/09/08 09:12 PM
Joined: Sep 2003
Posts: 10,645
Houston, Tx
A
AlexP Offline
I Live Here
AlexP  Offline
I Live Here
A

Joined: Sep 2003
Posts: 10,645
Houston, Tx
Quote:

The 6.1 HEMI stuff is awesome no doubt. But, they are limited cubes and valve lift.






Cubic inches are not a problem 426 and 440 motors are getting common. Bigger will be coming soon also. Getting a better lifter and rocker assembly is the key. And from working on the new motors I can tell you first hand. I would not want to be the poor sucker stuck trying to adjust valves on one of these....trust me. It will suck.

The power we can make with a 223/227 on a 114 with .557 lift is enough to make a 4300 lb car go 11.50's and faster. Take 1000-1500 lbs out of the chassis and you suddenly have a stupidly simple car that goes sub 10's in the right chassis.

Hey, it could happen...


My Build thread: Let the hemi swap begin!

1968 wanna be pro touring whatchamacallit with some fancy stuff and a new roof skin.
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