Quote:
Originally Posted by dallenj
The hot side will be a T3. 83 A/R with 3" V-Band discharge
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Why such a big housing on a T3 manifold? You're asking for more lag for no reason.
Precision turbos don't even really get going until 20+ psi. You'll spool it slower, make less boost at a specific RPM level, and overall make less power throughout the powerband where it counts early in the run.
Here is a hint. In the 1/4, the race is over before you even hit the 1/8th mark. You need to focus on good 60ft times and keeping your car in the powerband as much as possible before the 1/8th. Going too big of a turbo with too big of an A/R housing size is going to kill your times, even if you may make more peak power than the 86 next to you. Take some time and review the dyno thread, see where these cars actually make power on 55-67mm turbos, and go from there. You're not going to run good times making all your power past 6k RPM.