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Blowthru 355 Help

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Old Jan 26, 2004 | 01:27 AM
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From: New Bedford Ma
Car: 1988 Iroc-Z
Engine: L98
Transmission: 700R4
Blowthru 355 Help

After many many engine combo thaughts and idea's I decided I am going to go with a blowthrough carb 355. I am going to use my 350 4 bolt main block .30 over with an eagle forged crank and LT1 rods. I am going to get 9:1 forged pistons and use all arp studs. For heads I am going with edelbrock performer rpm heads with 64cc chambers, 1:6 roller rockers, victor jr intake, and holley double pumper carb. I am not to sure what cam specs I should be looking at but I am looking around at something with a 114 lobe and 500/510 lift. Is that too much for a blow through set up? How many cfm carb should I run with this set up?? 750cfm?? As for the supercharger set up I am still a little undecided but my ideal set up would be an ati p1sc with intercooler and run it into the vortech box. From there I want to run to a built th350 tranny. I am going to use a soft hit transbrake and I am not to sure what I want for a converter. I am thinking 3000-3500??? I am also lost on what gear ratio I should run in the rear end. Should I go with 411's or something more modest like 355's? How much power do you think this set up will make with some good dyno tuning? My car is a 1987 iroc with a custom cage, subframe connectors, pretty much every suspension mod I coul;d get for a stock style chasis, and a strange built ford 9" rear end.

Does this sound like a good set up or should I put more thaught into things? Do any of you have any recomendations on anything or any advice or any way you could help me at all with this? I have never had a blowthru car before so this is all new to me. I have dealt with roots type superchargers but never a centrifigul unit. I am about to embark on a wild adventure in my quest to be different from every car on the local streets and put down some nice power. What do you think this set up will get me in 1/4 mile?
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