Need Some Help

bud15 · 08-18-2004, 05:44 PM

I have a problem with my injectors leaking on my 90 mustang gt. It has a higher flow fuel pump in it. Is it possibly the fuel pressure is set too high or are they just bad injectors. I replaced two already with 2 rebuilt ones. They are leaking near the top where the yellow plastic meets the metal casing. I am thinking of just replacing all the injectors with 24 lb ones. The car has a b303 cam,ported heads, 65 mm throttle body, shorty headers off road h-pipe and flomasters. Would it be a good idea too add bigger injectors with these mods or would it be over fueling. Any advise would be greatly appreciated. Thanks

Fat0eknee · 08-18-2004, 06:01 PM

the 24s would be too much

~The Jester~ · 08-18-2004, 06:38 PM

O-rings are leaking dude. Probably pinched them when you put it together, which is VERY easy to do so don't feel bad. DON'T use any petroleum based lube on them, but a little silicon spray helps a ton.

88fivepointoh · 08-18-2004, 07:08 PM

I agree with the o-ring issue. If you haven't replaced them do so. I used 24lb injectors with my car with an F-cam and it worked great. Obviuosly you have to upgrade the mass air and such, on a stock intake maybe boarder line to big but depend on what your motor is running like ( lean or rich ).. if you plan on doing other mods in the future go for it and upgrade.

08-18-2004, 05:44 PM	#1
bud15 Registered Member Join Date: Jan 2003 Location: ontario Posts: 2	Need Some Help I have a problem with my injectors leaking on my 90 mustang gt. It has a higher flow fuel pump in it. Is it possibly the fuel pressure is set too high or are they just bad injectors. I replaced two already with 2 rebuilt ones. They are leaking near the top where the yellow plastic meets the metal casing. I am thinking of just replacing all the injectors with 24 lb ones. The car has a b303 cam,ported heads, 65 mm throttle body, shorty headers off road h-pipe and flomasters. Would it be a good idea too add bigger injectors with these mods or would it be over fueling. Any advise would be greatly appreciated. Thanks

08-18-2004, 06:38 PM	#3
~The Jester~ Rat Killer Join Date: Aug 2002 Location: Cold ass Ohio Posts: 1,143	O-rings are leaking dude. Probably pinched them when you put it together, which is VERY easy to do so don't feel bad. DON'T use any petroleum based lube on them, but a little silicon spray helps a ton. __________________ d-Con Racing "Nothing fancy, just 347 inches of RAT POISON!" MICE need not apply.....

08-18-2004, 06:01 PM	#2
Fat0eknee I'm slow ...I know. Join Date: Dec 2003 Location: houston Posts: 518	the 24s would be too much

08-18-2004, 07:08 PM	#4
88fivepointoh Registered Member Join Date: Aug 2002 Location: Rochester Posts: 553	I agree with the o-ring issue. If you haven't replaced them do so. I used 24lb injectors with my car with an F-cam and it worked great. Obviuosly you have to upgrade the mass air and such, on a stock intake maybe boarder line to big but depend on what your motor is running like ( lean or rich ).. if you plan on doing other mods in the future go for it and upgrade.