How much does turboing your 346 really cost?
I know that the cost of going turbo could vary greatly (depending on turbo, heads, cam, intercooler, exhaust and everything else used). But ON AVERAGE how does it compare to the cost of a good H/C package (with top performing heads, cam, exhaust, LT's, etc etc.)?
The one thing that some kits lack are fuel systems. Generally these kits are sometimes referred to as 'tuner kits.'
I think a number of kits are $5-7K, and I am not sure if they include fuel systems. If not add $1000 - $1500 depending on the level you are shooting for powerwise.
As for bolt-ons, I assume that you still want the same hi-flowing exhaust, y, LT's, 90/90 etc on a turbo car that you would want on a H/C car. So I could do all of my bolt-ons first and then decide what route to go without having to make any changes, correct?
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big cam - $300-400
timing chain, oil pump, gaskets - $300-400
pushrods - $100-200
so expect $3K+ for a "top performing" package and make around 450-475hp.
most street tuner turbo kits are $3k-4k and youll make anywhere from 415-500hp.
IMO, FI is more streetable. You can always turn up the boost. i didnt count pump/injector prices because youll be buying them no matter what route you take.
I would search around for inexpensive turbo options. sts, GMR, and others. Also, i forgot to factor in exhaust. If you go h/c youll def need to get some bolt-ons. At least a ls6/ported tb. so factor in $400-500 for that and at least $1k for exhaust just to reach that 450-475hp mark with h/c.
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If you have to job everything out prices go way up. Buying a kit is expensive also. The only thing a kit offers is the piping fabbed. If you can weld or know someone who can fab for you that will be greatly cheaper.
I am getting very close to that with turbo kit, supension, tranny, clutch, 9inch rear, and fuel system
still lack a forged engine
Turbo kits come with their own manifolds that the turbo mounts too( with a crossover pipe)
With the rear mounts, the turbo is in the back so you "could" run longtubes if you wanted.
I was looking at the PTK with 76gts. With fmic/ fuel/ installation/tuning/ few other boltons, im still looking at close to 10 g's. Would love to make 500-550whp on stock internal engine.
I am really starting to consider the sts kit now.
I agree with the above post though. To really do it right the first time, id figure have a budget of 15K.







