rich condition

pete1 · 06-08-2001, 07:29 PM

I just got through changing my plugs in my car and gapping them at .45 and set the fuel pressure at 43 with the the regulator unplugged and you can go to the back of the car and smell the fuel coming out of the exhaust. The plugs i bought was ford #42. Any help would be appreciated. Thanks

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1991 Mustang Gt,TCI AOD Streetfighter Transmission,Mac Chrome Headers,Mac air induction,3.73 gears,H-pipe,2 Chamber Flowmaster Mufflers,75 bullet mass air,65m Throttle Body, NSCA S/ET 7050,Best Time 13.47 1/4, 8.47 1/8
P&V Racing

jimberg · 06-08-2001, 07:44 PM

Set your fuel pressure to 39 psi. Also, you set your pressure with the engine off. You don't need to disconnect the vacuum line to do it. Was the vacuum line disconnected when you noticed the fuel coming out of the exhaust? If so, that's why. Fuel pressure is supposed to go down when vacuum goes up.

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351W 89 Mustang GT Convertible

jimberg · 06-08-2001, 07:53 PM

Oh yeah, gap should be .052 I believe.

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351W 89 Mustang GT Convertible

red82gt · 06-09-2001, 12:15 AM

Quote:

Originally posted by pete1:
I just got through changing my plugs in my car and gapping them at .45

I hope you mean 0.045

Jimberg an I have had this discussion before so all I'll say is 43psi is too much.

06-08-2001, 07:29 PM	#1
pete1 Registered Member Join Date: Sep 1999 Location: Radcliff, Ky U.S.A Posts: 202	rich condition I just got through changing my plugs in my car and gapping them at .45 and set the fuel pressure at 43 with the the regulator unplugged and you can go to the back of the car and smell the fuel coming out of the exhaust. The plugs i bought was ford #42. Any help would be appreciated. Thanks ------------------ 1991 Mustang Gt,TCI AOD Streetfighter Transmission,Mac Chrome Headers,Mac air induction,3.73 gears,H-pipe,2 Chamber Flowmaster Mufflers,75 bullet mass air,65m Throttle Body, NSCA S/ET 7050,Best Time 13.47 1/4, 8.47 1/8 P&V Racing

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06-08-2001, 07:44 PM	#2
jimberg Registered Member Join Date: Oct 1998 Location: Rogers, MN Posts: 2,089	Set your fuel pressure to 39 psi. Also, you set your pressure with the engine off. You don't need to disconnect the vacuum line to do it. Was the vacuum line disconnected when you noticed the fuel coming out of the exhaust? If so, that's why. Fuel pressure is supposed to go down when vacuum goes up. ------------------ 351W 89 Mustang GT Convertible

06-08-2001, 07:53 PM	#3
jimberg Registered Member Join Date: Oct 1998 Location: Rogers, MN Posts: 2,089	Oh yeah, gap should be .052 I believe. ------------------ 351W 89 Mustang GT Convertible