Quote:
Originally Posted by food2000
Once again, people are using solely on psi to dictate how much power an ls can handle before internal upgrades.
Lets say b18c1, all variables and parts are the same except the turbo:
7psi on 57 tri = roughly 270whp
7psi on t-28 = 240
Those are hard numbers from two turbo tegs with similar set-ups but different turbos and few hardware.
D's aren't as hot on a fat girl but apply the same pair to a thinner girl and you'll have a different thing.
Homemadeturbo.com is a great site fo info and especially parts.
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This is true as well. But I don't know how much power a 7psi GT28 makes as opposed to a 7psi TD04.

Turbos aren't my area of expertise. Ask me about a NA motor and I can tell you a lot more.