M Mizark347 Member Jan 21, 2004 145 0 16 Detroit Aug 5, 2004 #1 Aug 5, 2004 #1 Isnt fuel pressure increace with open throttle. When I rev the 347 up my fuel pressure drops. And i think i experienced some detonation. Anyone have a reason for this? Thanks Mark
Isnt fuel pressure increace with open throttle. When I rev the 347 up my fuel pressure drops. And i think i experienced some detonation. Anyone have a reason for this? Thanks Mark
D DaveR_GT Founding Member Nov 27, 2001 58 0 0 NW PA Aug 5, 2004 #2 Aug 5, 2004 #2 My guess would be not a big enough fuel pump. I'm having fuel related problems also. I'm leaning out as the rpms go up but my fuel pressure is steady.
My guess would be not a big enough fuel pump. I'm having fuel related problems also. I'm leaning out as the rpms go up but my fuel pressure is steady.
M Mizark347 Member Jan 21, 2004 145 0 16 Detroit Aug 5, 2004 #3 Aug 5, 2004 #3 Could it be fuel filter?
HISSIN50 "How long does it take to get help in here? 15 Year Member Nov 29, 1999 31,179 33 129 Aug 5, 2004 #4 Aug 5, 2004 #4 check regulator also. does the pressure catch back up (like does it dip when you remove vac [WOT], but then skyrocket back up)?
check regulator also. does the pressure catch back up (like does it dip when you remove vac [WOT], but then skyrocket back up)?
