View Single Post
      05-20-2012, 10:24 PM   #10
OpenFlash
United_States
1736
Rep
17,960
Posts

Drives: A Lot
Join Date: Sep 2006
Location: SF Bay, CA

iTrader: (0)

Garage List
Quote:
Originally Posted by Dave W. View Post
I prefer to cap WGDC at 80% since the wastegate is nearly closed at that point. There's a point of diminishing returns when you crank up the boost with small turbos. Backpressure in the exhaust manifold can rise quickly with little added boost. It's still beneficial to crank up the boost just after spoolup to get a nice torque hit, as long as you can balance the boost spike with good fuel and timing. Just make sure the boost tapers down as rpm climbs so the engine doesn't choke with extreme exh backpressure.
This is solid advice.
Appreciate 0