I am getting the setup in my sig. put in soon and am hoping for @ 420 HP N/A and some solid 12 second runs, I am keeping the stock shortblock though. How big a shot of nitrous could I add w/out ruining the shortblock with the new setup? If I added some forged pistons, would I be able to go higher or would I need to replace the rods and crank too?

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89 IROC 350 TPI, 700R4, 2.77 9-bolt w/ full exhaust, some bolt-ons, and free mods-G-Tech timed 14.8 @ 96 w/ terrible tires...Parts currently being shipped: AFR 190's, SuperRam, LPE 219/219 cam, Vigilante TQ converter, a "beefed up" 3.42 10-bolt, and some Spohn suspension parts

 

I would keep it under 150hp to be safe. Be careful of your fuel pressue, timing, and revs and you should be ok. In order to really beef up the motor for nitrous, you need to do the whole thing to eliminate any weak areas: forged crank, forged rods, forged pistons, 4 bolt block...

Paul

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Paul Huryk, billionare in training.
Monkey Guy Racing
Almost part of the moderately infamous NJ in-your-face all goomba crew

Do it right the first time.

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1985 IROC LG4 POS Best: 15.20s at 92.1mph
1984 Camaro 350 LG4 Best: 12.21s at 121.7mph

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