How much boost can it take?
 

Hello guys, right now I'm about to trade my ws6 for a turbo Silverado and I have some questions. Engine is a 370 iron block, forged rods and pistons, full ported heads. Custom speced cam.Thats all I know so far. My question Iis abiut how much boost can it take safely and how much hp can it make. The owner told me it could hold 25psi but I don't know how safe it would be. Its currently at 13 pounds and the truck has run high 7s in the 1/8 with 1.98 60 ft.
Thanks

Forgot to add that its a 70mm single.

70mm? Seems very small for a 370
What are the specs on it? What fuel? What timing?

That's all I know so far, the owner takes a long time to answer my texts, what I was wondering was if the engine could take those 25psi as he said it was built for that much or would it be too much.

25psi on a 370 with t70 turbo? That turbo is done at 12-13 psi on that motor if not less. Anything more and back pressure would be horrendous. Probably stop making power before 5k too.

I agree with big reg.

But will it hold with a bigger turbo?

God yes it will also be wayyy better. 80mm 88 prob even a 91 depending on your tune up

Jaja ok, I just wanted to know how safely it would hold 25psi. Will it blow after a few passes or be good. Also around how much power can I expect?

Just make sure you tune that thing before upgrading your turbo. Also ask the owner what kind fuel setup he is running. What fuel pump, Injectors, etc.

I already did but he takes for ever to txt, because he's working