Question: What is the right size stock turbo/twins

[skintback]

I've read and read some more just trying to figure out what is the right size twin charger for a stock turbo vvt setup.

would like to not have to run a wastegate to keep cost down
Thanks

 

[emiller3]

Talk to some one who has some experience with twins like Trent or call Nathen @ MPI.

 

[Burn Down]

The ar size of the turbine housing will dictate a gate or not. A small housing will spool very fast but will have drive pressure issues without a gate. A larger exhaust housing will be lazier to spool but won't have drive pressure issues. I have subman/mika's old twins they are mpi & are gated. I'm pretty sure nathans newer twins are not gated but as mentioned above you would need to contact him.

 

[skintback]

I'll try and hit them up see what they say

 

[TrentNell]

S475 T-6 1.32 A/R is a safe bet with the stocker, might gain a bit from a S480 but i havent tested it yet ,soon though .

 

[skintback]

what size turbine

 

[TrentNell]

what size turbine

In the T-6 you only have 1 turbine option ( 96mm/88mm ) , and also only the 1.32 A/R to choose from.

 

[DuramaxPowered]

In the T-6 you only have 1 turbine option ( 96mm/88mm ) , and also only the 1.32 A/R to choose from.

Not true, I had a S475 with a 1.10AR turbine housing and 83/74MM turbine wheel. I purchased it from Forced Inductions.

 

[TrentNell]

Not true, I had a S475 with a 1.10AR turbine housing and 83/74MM turbine wheel. I purchased it from Forced Inductions.

they use the housing that comes on the t-6 464's i think , but they don't on the big turbine ( which is 100% nec for twins anyway ) but good to know some one is selling them that way though .

 

[duratothemax]

I run an S480/1.32 over a stock LLY variable vane turbo. Works fine, can make 70psi.

ben

 

[skintback]

damn 70psi what was the back drive

 

[duratothemax]

no idea..