turbos that fit

[gtrs-10]

Is there an turbos, with interal wastegates that will fit on a sy/ty setup that are smaller then a td06-17g. I know this sounds idiotic but I am putting a turbo on my 1992 4.3l tbi and do not want to run above 8psi. Is there a turbo that will fit my need better then a td06-17g.

 

[BillC]

It is possible (and pretty easy) to adjust the wastegate of the stock SyTy turbo to only provide 8 psi of boost. In fact, that's about the base boost for those turbos as they come from the factory.

 

[gtrs-10]

but if i have a smaller turbo won't the spool up time be quicker and I would never really need a lot of psi that the 17g gives me.

 

[ghostrider_85]

not true. ball-bearings spin faster for sure, builnding boost faster. you can have a big ball-bearing turbo that will spool faster than a small, regular trim turbine.

 

[smeagol]

In general a smaller turbo will spool faster. Your turbo knowledge is lacking however. Bigger turbo doesn't equal more boost.

You need to determine what kind of power you will make. If you are running a stock type 4.3 to run low boost, use a Syty stocker. It is very good for a truck making 250-300hp at 8-12psi. Past that (what most Syty folk push for) it's inefficient, and creates backpressure. The stocker Syty is a 17c. The Mitsu upgrade is a 20g. DSM 1st gen = 14b, upgrade is a 16g.

 

[gtrs-10]

I guess what I am really getting at is trying to do this as cheaply as possible. I would like to find a turbo that has or has not been used but is in good condition. so if i can find a 14b off of a dsm will it bolt to the manifold and create the right amount of psi. The only reason i am thinking about this is i rarely see sy/ty stock turbos for sale under $350. but i can probably find a 14b for less.

 

[smeagol]

Cripes, we have 2 stock turbos here for sale, I think Jerry wants $200 each. Stock exhaust manifolds, few other parts as well..