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i vote for the performer rpm,unless you are planning spinning that thing 7,000.it picked my car up a bunch over a single plane,i shift at 6300.3400lbs [Email]11.30s.leaving@2200rpm.[/Email]

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I agree with Mr Yuck here except for the "it will be a dog with 3.23s" part. With the parts listed and a better intake and converter your car should easily go high 11s no matter what gear is in it.

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Well Tim, you beat me to the 3.23 comment.

I agree that the ops combo should go 11s...with ease.

I have 50 less cubes, more cam, more weight, less heads, bigger headers, etc and it ran fine on the street with 3.23s......No where near a "dog".

Ya, at the track the 3.23s would cost me..But the butt dyno doesnt say more than 2 tenths..FWIW.

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I have 50 less cubes, more cam, more weight, less heads, bigger headers, etc and it ran fine on the street with 3.23s......No where near a "dog".

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Actually I was asking as I am converter ignorant but you (& others) are convincing me that it is a critical piece

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The best converter Ive had/have is a TA 8 inch. Flashes 5k and drives VERY nice on the street. The converter started life as a Munsinger and TA went through it last. So, not sure if all TA "tight" 8s are as good.

For the money, PTC gets my vote. 4 bills and change you get a really good converter.

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Id go with a single plane...with 500 cubes I see no reason for a dual plane. Unless it is the Indy intake with some port work.

SD or M1 should work well. More converter, maybe a Vic.

Id go more cam, converter and a Vic, but apparently (on this board anyway)Im pretty liberal....

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m1 is no better than a team g i can guarantee that,now back to rpms its going to be ran at most of the time,that will make the difference.if i'm gona spend someone elses money its gonna have somethin pushin air.

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yes the converter is very important,but you have to make all the other choices of your engine before you call anyone to spec a converter to your combo.

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[quote Sounds like the converter is key. That's convincing me to spend the money for a good one for my specs

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Run the street dominator intake if you want to run the TQ.Maybe a better intake for your setup no matter the carb.
TQ will need major tuning for the stroker.Be prepared to dial it in.
Gears won't matter much.3.55's for mostly street and 3.91's for more track.
Converter won't matter much with the torque of the stroker.Do get a quality converter with minimal slippage.

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with both forforty and gch, carb/intake and converter. The SD would be the WISER choice with the TQ, 850 DP would like the Air Gap. with the "long" 3.23's, that 8" converter works the tranny. Personally, I'd cut back an inch (that's my own op).