View Single Post
Old 10-07-2005, 05:24 PM   #64 (permalink)
Multiades
vehicular thaumaturgist
 
Multiades's Avatar
 
Join Date: Apr 2000
Location: Woburn, MA
Drives: 1994 Stealth TT
Trader Rating: (17)
Multiades is an unknown quantity at this point
Default Re: Measuring stock exhaust restriction

Quote:
Originally Posted by twiceblown
Also, it's interesting to note that you SHOULD NOT increase the size of the flapper on a TD04!!! Ideal spring pressure increases greatly for minor porting of only 3mm!!!
I came to that conclusion before doing the math. It's only obvious. If your turbos don't boost creep, you don't need larger wastegate passages. Enlarging the wastegate passage/flapper has one purpose, and makes no sense to do until you have a specific problem to fix.
Multiades is offline   Reply With Quote