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Best combo for 600 HP Street Strip Car? #2324638
06/21/17 12:15 PM
06/21/17 12:15 PM
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Dart451 Offline OP
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Wanting to see what combo people would use for street strip 600 hp big block. shift around 6000-6500 rpm,

400 or 440 base?
Heads?
cam?
Who's Crank/stroke?
Who's Rods?
Who's pistons/Compression?

This would be for a dragweek car.

Re: Best combo for 600 HP Street Strip Car? [Re: Dart451] #2324654
06/21/17 12:32 PM
06/21/17 12:32 PM
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So. Burlington, Vt.
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fast68plymouth Online content
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My suggestion would be:
10:1-10.5:1 505, TF heads, small street roller cam.

If I were building it for my own use, since I like doing my own heads......I'd use Indy EZ's.

Actually...... If I were going to build it right now...... I'd use what I have on hand......
Which is a low deck 511 rotating assy with flat tops, and some 84cc E Street heads.

You can easily get to the pump gas 600-650hp mark with a bb stroker many different ways.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
Re: Best combo for 600 HP Street Strip Car? [Re: Dart451] #2324696
06/21/17 01:37 PM
06/21/17 01:37 PM
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Dart451 Offline OP
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I need your part collection wrench , sell it to me for a great price, will be there this weekend punkrocka

Thanks for reply

Re: Best combo for 600 HP Street Strip Car? [Re: fast68plymouth] #2324697
06/21/17 01:38 PM
06/21/17 01:38 PM
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Re: Best combo for 600 HP Street Strip Car? [Re: Dart451] #2324702
06/21/17 01:46 PM
06/21/17 01:46 PM
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Oregon
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AndyF Offline
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Either a 400 or a 440 block will get you there so I'd use whatever fits the best. A 400 based 470 with TF will easily make 600 hp. In a 440 block I'd most likely use a 505 kit although you really don't need that many inches to make 600 hp. The 505 is just a really nice combo that goes together fairly trouble free.

Re: Best combo for 600 HP Street Strip Car? [Re: Dart451] #2324706
06/21/17 01:58 PM
06/21/17 01:58 PM
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lancaster,california
johnnycuda Offline
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My Cuda has about 620hp at the flywheel, runs mid-10s on pump 91, would love to run DW, did run the Drag Weekend they had.
Mine is a 440 block, Eagle 4.15 crank, Eagle stock length rods,10.5 compression, Indy SR heads that I've had for almost 20 years, .607/.601 lift solid roller, Indy single plane, 950HP Holley, MSD ignition, 2" primary headers, old school Top Ten Shootout 3" Flowmasters that haven't been made for 10 years or more.
Car weighs a little over 3800 w/me in it, 4.56 gear, 727 with too tight of a convertor, 295/65 drag radial.


1970 'Cuda,Lime Light,499 Indy S/R's 10.70's @125,street driven ALOT!
1966 Barracuda 360,now a 5spd,Hemi Orange,Hot Rod Air,
New daily driver-2003 Ram 2500 Cummins 5.9
'69 Valiant 2-dr, sleeper!
New project---1938 Dodge truck, plan is a 360 with a A500, AC, Calvert rear susp., rack and pinion front with coils.
Re: Best combo for 600 HP Street Strip Car? [Re: Dart451] #2324747
06/21/17 02:51 PM
06/21/17 02:51 PM
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Dart451 Offline OP
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My dragweek car spun #6 rod bearing last friday.
440 stock stroke, ported iron heads, 590 mopar cam, crane 1.5 roller rockers. Running 10.9 in decent air.
Will get pistons out in the next couple days suppose to be 10.5/1 compression. Stock rods.

Engine had a lot of passes on it and I of refreshed it. The big surprised was the block is filled with hard block. So now trying to decide my best option and more power stirthepot

Do have a stock 400 "56k mile" sitting on engine stand.

Re: Best combo for 600 HP Street Strip Car? [Re: Dart451] #2324769
06/21/17 03:13 PM
06/21/17 03:13 PM
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Bend,OR USA
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Cab_Burge Offline
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Take that 400 lock and have it sonic tested, if it has no less than .160 cylinder wall thickness now on both the major and minor thrust surface use it to make a 505 to 512 C.I. pump gas stroker up
My first 505 C.I. 400 stroker motor made 612 HP at 5500 RPM and 544 Ft lbs. torque at 4500 RPM with a set of midly ported 906 iron heads with 2.14 intake and 1.81 exhaust valves. they barely flowed 266 CFM at .600 lift puke I used a low deck six pak with a set of 1970 OEM 440 carbs. and a big Comp Cams soldi roller that was 260 @.050 on the intake and 266 @ .050 on the exhaust with 1.6 rocker ratio.
On your deal the same short block with a better set of new aluminum heads and a good single plane intake would make 650 HP easy with the same compression ratio on pump gas up scope


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Best combo for 600 HP Street Strip Car? [Re: Dart451] #2324801
06/21/17 04:20 PM
06/21/17 04:20 PM
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So. Burlington, Vt.
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fast68plymouth Online content
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Just plug a 493/505 rotating assy into that block..... You should be good to go.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
Re: Best combo for 600 HP Street Strip Car? [Re: Dart451] #2324803
06/21/17 04:23 PM
06/21/17 04:23 PM
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Dart451 Offline OP
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Who rotating assembly is recommended? My time frame will be tight dragweek sneaks up quick.

Re: Best combo for 600 HP Street Strip Car? [Re: Dart451] #2324809
06/21/17 04:35 PM
06/21/17 04:35 PM
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So. Burlington, Vt.
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fast68plymouth Online content
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For that power level, it hardly matters.

Just use name brand stuff and you should be fine


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
Re: Best combo for 600 HP Street Strip Car? [Re: Dart451] #2324816
06/21/17 04:58 PM
06/21/17 04:58 PM
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Dart451 Offline OP
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Looking more for who has the best machine work. Get blocked prepped and just bolt together and race.

Re: Best combo for 600 HP Street Strip Car? [Re: Dart451] #2324819
06/21/17 05:01 PM
06/21/17 05:01 PM
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Marion, South Carolina [><]
an8sec70cuda Offline
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I'd look at Molnar for crank and rods.


CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
Re: Best combo for 600 HP Street Strip Car? [Re: Dart451] #2324820
06/21/17 05:04 PM
06/21/17 05:04 PM
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So. Burlington, Vt.
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fast68plymouth Online content
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I've found it's kind of a crap shoot no matter what you get.

I guess if I was trying to stack the odds in my favor I'd use a Molnar crank and rods(but I'd still have them checked).
If Icon had a piston that would work for you, that would be my choice.
If they didn't....... Then any reputable brand that had what you needed.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
Re: Best combo for 600 HP Street Strip Car? [Re: Dart451] #2324842
06/21/17 06:18 PM
06/21/17 06:18 PM
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central texas
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krautrock Offline
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here is a good piston spreadsheet, might have some CH pistons that will work for your application.

http://www.moparts.org/Tech/Archive/bb/BBM_Stroker_Pistons.html

Re: Best combo for 600 HP Street Strip Car? [Re: Dart451] #2324854
06/21/17 06:49 PM
06/21/17 06:49 PM
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Dart451 Offline OP
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Will finish tear down and weigh my final options.


Thanks for link

Re: Best combo for 600 HP Street Strip Car? [Re: fast68plymouth] #2324870
06/21/17 07:21 PM
06/21/17 07:21 PM
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Taxes & Virus's R-US, NY
Dragula Offline
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Originally Posted By fast68plymouth
My suggestion would be:
10:1-10.5:1 505, TF heads, small street roller cam.

If I were building it for my own use, since I like doing my own heads......I'd use Indy EZ's.

Actually...... If I were going to build it right now...... I'd use what I have on hand......
Which is a low deck 511 rotating assy with flat tops, and some 84cc E Street heads.

You can easily get to the pump gas 600-650hp mark with a bb stroker many different ways.


Ditto...That is our combo...512 based 440 with EZ1 heads on pump gas with a 440 Source kit...Went 9.70 last week...10.8:1 roller cam...

Last edited by Dragula; 06/21/17 07:23 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: Best combo for 600 HP Street Strip Car? [Re: Dart451] #2324940
06/21/17 10:06 PM
06/21/17 10:06 PM
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fullmetaljacket Offline
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For best machine work give BEST Machine a call in Detroit.

Re: Best combo for 600 HP Street Strip Car? [Re: Dart451] #2324974
06/21/17 11:08 PM
06/21/17 11:08 PM
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Frostbitefalls MN (Rocky&Bullw...
gregsdart Offline
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It is hard to argue against the 400 based 512 cube combo, but consider a 440 at .030 or .060 over with a 4.5 stroke crank. That adds up to a 535 or 540 cubes.
With standard size port aluminum heads it is an absolute low rpm, high torque, 600+ hp monster.

Last edited by gregsdart; 06/21/17 11:10 PM.

8..603 156 mph best, 2905 lbs 549, indy 572-13, alky
Re: Best combo for 600 HP Street Strip Car? [Re: gregsdart] #2324998
06/21/17 11:40 PM
06/21/17 11:40 PM
Joined: May 2004
Posts: 12,379
Taxes & Virus's R-US, NY
Dragula Offline
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We are getting ready to put our 400/512 in...Basically the same combo from 440 source but with light weight crank in a 400 block.

We are hoping for a 9.59 with it....We will see. Can't wait to see if we hit 140mph with it. I was super impressed when we went 138.5 the other week with the 440/512....We have seven seasons on that and its due for a good freshen up or I may sell it and build an all aluminum low deck 512...We really like this and the 440/526 combo from 440 source. They make a ton of torque.

Last edited by Dragula; 06/21/17 11:41 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
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