Carb Help

slowride90 · 07-12-2001, 08:59 PM

My car pulls hard till about 3 grand and then it quits. Would putting new jets in it help. Its just a holly 600 double pumper.

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1990 Mustang LX,3:55s w/posi, Mac Headers,Hedderman H-pipe, 2 Chamber flows, E-cam,Edelbrock Peformer Intake, 600 Holy Carb,pullys,Smog Pump taken off,Alum Rad,Hotches Upper and Lower control arms. How that carb get in here on a 1990.

PKRWUD · 07-13-2001, 01:15 AM

It could be a fuel problem, but it could also be an ignition problem. What you really should do first, before you tear into your carb, is put a clean set of plugs in it and drive the equivilant of a couple hard passes, and then pull them and read them. if your lean, that will tell you.

Take care
~Chris

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Retired Moderator
MustangNet

My site: JimPorterRacing

RACECAR spelled backwards is RACECAR

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Dark Knight · 07-13-2001, 01:16 PM

does it wind out if you arent at full throttle? what fuel pump?
mine would die at about 4500 rpm... ended up putting a better coil on and it fixed it..

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84 convt,'95 302,AFR's, performer
3.55's, underdrives BBK shorties
stock cam, 1.7's
13.85@102.5
and a '68 stang that WAS nasty ;-)

07-12-2001, 08:59 PM	#1
slowride90 Registered Member Join Date: Dec 2000 Location: Mendota Posts: 96	Carb Help My car pulls hard till about 3 grand and then it quits. Would putting new jets in it help. Its just a holly 600 double pumper. ------------------ 1990 Mustang LX,3:55s w/posi, Mac Headers,Hedderman H-pipe, 2 Chamber flows, E-cam,Edelbrock Peformer Intake, 600 Holy Carb,pullys,Smog Pump taken off,Alum Rad,Hotches Upper and Lower control arms. How that carb get in here on a 1990.

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07-13-2001, 01:15 AM	#2
PKRWUD Junior Member Join Date: Mar 1999 Location: Ventura, California Posts: 8,981	It could be a fuel problem, but it could also be an ignition problem. What you really should do first, before you tear into your carb, is put a clean set of plugs in it and drive the equivilant of a couple hard passes, and then pull them and read them. if your lean, that will tell you. Take care ~Chris ------------------ Retired Moderator MustangNet My site: JimPorterRacing RACECAR spelled backwards is RACECAR HEY !!! Are you ASE Certified ??? If you are, ask me about iATN. The best tool you'll ever have, and it's free !!!

07-13-2001, 01:16 PM	#3
Dark Knight Registered Member Join Date: Oct 1998 Location: Az Posts: 854	does it wind out if you arent at full throttle? what fuel pump? mine would die at about 4500 rpm... ended up putting a better coil on and it fixed it.. ------------------ 84 convt,'95 302,AFR's, performer 3.55's, underdrives BBK shorties stock cam, 1.7's 13.85@102.5 and a '68 stang that WAS nasty ;-)