Ok so my S1 turbo went and i figured id just upgrade to one of these turbos. Im running a stock block and want to boost 10psi. any help would be great since my knowledge of these turbos are nil. I have any Equal length mani and will be running 550cc injectors.

 

60-1 is half the price

 

You will not need a GT35. Maybe a GT 307x, 60-1 is good, or honestly, stick with a T3/T4 unless you plan on building the block for more boost.

 

35 will max around 600 and 60-1 will max around 550

 

I dont plan on building the block at all. i just want the simple get up and go that a bolt on kit gives at 10psi. (since its my DD) I was wondering what the best option would be for the most power at my current stage. I dont want to change the injectors just tune.

 

what is the GT307x? I've never heard of it. I know that the x represents another number.But what gains can i expect over the .50 trim i had previously in there.

im just trying to pull the most power out of what i have now. I still have the TRD exhaust and what not.

 

I honestly wouldnt to passed 10psi on a 60-1 on stock block, thats a lot of air and your gonna fry your rings with that big of a turbo.

 

so what would be my best option for 10psi? Im really shooting for around 330whp. Or what would it take to have a safe realiable 400whp DD?

 

I was at 7.5psi with a 60-1 on stock block and i fryed a ring. Just make sure you have a really really good tune. I wouldnt go any bigger than a 60-1 on stock block. Try something smaller

 

oooo. gotcha. thanks. how could i maintain a 400whp DD? Ive got a pretty good budget to play with? I just want it to be realiable.

 

http://www.dezod.com/pd_garrett_gt3071r.cfm

http://www.dezod.com/pd-garrett-gt3071r-ball.cfm

 

build your block, have a really good machine shop do the work and make sure they work to really really tight clearances. throw some wiseco pistons and k1 rods in there and some good fuel and your good.

what engine management are you using?

 

60-1 at 12 psi gave me 330 whp on a dyno dynamics that's fine for our blocks and the rings don't fry from power they fry from the tune the Rods bend with power

 

And dont run tight clearances on boost haha

 

what he meant by 307x is either a 3076 or a 3071. also the 60-1 and a 35R aren't even in the same realm.

 

3076r w/ .82a/r exhaust would be my choice. The 35r probably won't fit the s1 log manifold, not sure, and even if it did, would spool horrifically


* f'ing auto correct


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