[79transam man]

What would be a good kit to run on my stock 79 Trans Am w/403. What shot would be a good 50-100?

 

[Siggy_Freud]

Well . . . how much added hp do you want? You can buy kits that come with jets for 50-125 hp and you can set it as you want. Just do your research before you buy and install the kit. More damange is done by nitrous+ignorance than the added strain of nitrous alone.

 

[killerformula]

on a 25 year old motor that's completely stock?

Ha. No.

K

 

[gemini86]

I've read that 75hp is pretty much max on an older stock motor, unless you rebuild it and get it in like new condition first, I wouldn't even add nitro. Unless of course you can afford to have it blow up.

 

[Dubz]

i'd stick with a 50hp dose unless it's been rebuilt lately.

 

[Mighty SB]

I ran a dry 75 shot on my a stock 350, after about 9-10 races holding the botton the entire 1/4 it blew a head gasket.

 

[1BAD80]

I've read that 75hp is pretty much max on an older stock motor, unless you rebuild it and get it in like new condition first, I wouldn't even add nitro. Unless of course you can afford to have it blow up.

FYI: IT's NOT NITRO its , Nitrous Oxide or NOS/Nitrous a very large explosive differance.

A compression and leak down test should be done before thinking of using Nitrous Oxide unless you have a spare motor to put in. Spinning a old bearing is easy to do.
I would put the money in a good tune-up with some performance parts. What works for one doe's not work for another.

 

[k-star]

nitrous

If it's a stock non-rebuilt engine i would not chance it. But for different reasons. Your engine probably is full of carbon deposits in the chamber. These deposits will become a source for hot spots on the juice witch Leeds to detonation, witch in turn will cause a burn down of a piston or a torched head gasket....


Keith

 

[x007]

I run whit 150hp but its on 350 rebuild whit
steel crank & wiseco forged piston (420HP + 150 Nitrous)..

But i have hear that a stock engine can handle 150HP whitout problem.. But how is the condition of your motor is another thing..

And its on a transam 84

 

[Siggy_Freud]

Yes, a new cast bottom end can handle quite a bit of abuse. But with something that old and that wore in I would be hesitant to chance it seeing as its probably his daily driver and he probably doesn't have another motor for it just in case.

 

[79transam man]

actula i have a complete 400 that i can go get