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no vacuum leak anywhere double and tripple cheked it!
cold start it idles around 650 where i want it to be,,, get at opp temp and start driving around it idles around 1000 - 900 i go at the carb and push the throttle lever down ant the idles drops around 600 ish why is this? is there something stuck?? i cant seem to find anything stuck or damaged!! 900 idle is boring!! i want a 650 idle so the cam can sing
and yes i do have a return spring on it but it doesnt help! i also put 2 return springs but nothing!!
and the idle screw is full out cant go any further
this is the holley im using its from summit rebuild ones
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Check the choke side of the carb, sometimes if the high idle isn't set right the screw can hang up on the cam and prevent the throttle from fully closing. Also check for binding in the throttle linkage.
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Who cares how much horsepower it has, all that matters is how fast it goes!
13.20's with 2.25-2.30 60's, 40+ year old suspension sucks!
Best trap 107.11mph, we'll see what the new intake/carb setup does.
12.80 at 110.5mph NHRA DA corrected
my car always seemed to do it to and I would do a quick slap on the accelerator and it would go back to normal
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91 mustang 5.0 lx,306 shortblock,E-303 cam,ported and polished E7's,rebuilt stock T-5,bbk E/L shorty headers,with their 2 1/2" o/r H-pipes,70 mm maf,3G alt.,upr adj. upper c/a's 3:73 gears. race weight with driver:3260,only a 100 lbs. more than the 85
85 mustang: parts car for now
Best time 13.7@ 102 mph 2.074 60' on street tires(in the '85)
Best time 14.3@ 96 mph 2.13 60' on street tires(in the '91)
Check the choke side of the carb, sometimes if the high idle isn't set right the screw can hang up on the cam and prevent the throttle from fully closing. Also check for binding in the throttle linkage.
allright ill chek that tomorrow
Quote:
Originally Posted by mustangsneverdie
my car always seemed to do it to and I would do a quick slap on the accelerator and it would go back to normal
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Holley Carb high idle!!!
