I have a new Garrett T04B (ptrim) turbo with a/r 60 compressor and 1.15 on hot side. I am going to change the hot side to a smaller size but I need to know which size to use on a mild port 12A engine .70 Divided
.84 Divided
.61 Undivided
.70 Undivided
.81 Undivided
Help please, Thanks

 

.84 divided.

 

depends on your goals i have a 1.0 i believe and its perfect. Get a hold of elliot at turblown.net he will know.. he will hook you up!

 

Thanks a bunch Homies