Please help me spec a turbo for my 4.8L
#14
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The Borg stuff is great and cheap at T6. But a 4.8L I think is gonna be laggy with a t6. Plus a t6 takes up too much room. Does not fit cleanly. Sure will make the power but max power isn't what you feel on the street.
Going Borg. With a T4. Yes.
For good power good spool.
I would do the
76/83. 1.10 or smaller ar. Even a .90 T4.
Now you have a couple of option with that 76.
Billet wheel, race cover or both. Either option helps power. But the billet wheels are lighter then the cast ones.
AR housings are cheap. So you can play with those and move the power band around.
#17
Funny you say that because I was just looking through his threads and the turbo he made 900+ with was the S475 83/74 1.10AR with the billet wheel and race cover. So good call guys! I wish I knew this project was going to happen when he sold it so I could have bought it from him.