Dyno Test: Mod Progression
Results from Dyno Jet test.....VETTE December 1997
Test of 91 with stock tune and stock exhaust manifolds....
Stock 305hp@5600 304ftlbs@4400
KN 310@ 5650 303@4400
+Borla 327@5750 314@5000
+EH Porting 345@5850 339@5150
**Porting was extrude hone ...28hp/29ftlbs increase at 5100
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LGAFF
90 #966-150K miles-sold
92 #234-sold
1987 Callaway TT #17
1991 ZR-1 #1359
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