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Old 10-17-2008, 03:48 PM
chevy bb 572's Avatar
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Whats The Deal W My Hot Carb???

DRIVING MY CAR 2DAY AND I HEARD A HISS SOUND DROVE AROUND FOR ABOUT 3 HOURS AND IM COMMING UP THE PLOCK AND SHE SHUTS DOWN. OPEN HOOD TAKE AIRBREATHER OFF IT HOT AS !@#%$^*%^$ CARB IS BLACK W CARBON I WAIT A FEW MIN TRY 2 START IT WONT START SO I SHOOT STARTING FLUID IN AND SHE STARTS UP SO I HURRY AND GO HOME AS IM PULLIN IN DRIVE WAY SHE SHUTS DOWN WHATS THE DEAL??? BLACK HOT *** CARB!!! OH ITS A HOLLEY 600 IVE NEVER HAD PROBS. WITH THEM

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Old 10-17-2008, 04:12 PM
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It sounds like you have a major vacuum leak. Check your vacuum caps and hoses at the base of the carb, and in the intake manifold. One could have cracked and fallen off.









OH, Another thing to check is your 'caps lock' key!
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Old 10-17-2008, 04:36 PM
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Quote:
Originally Posted by chevy bb 572
DRIVING MY CAR 2DAY AND I HEARD A HISS SOUND DROVE AROUND FOR ABOUT 3 HOURS AND IM COMMING UP THE PLOCK AND SHE SHUTS DOWN. OPEN HOOD TAKE AIRBREATHER OFF IT HOT AS !@#%$^*%^$ CARB IS BLACK W CARBON I WAIT A FEW MIN TRY 2 START IT WONT START SO I SHOOT STARTING FLUID IN AND SHE STARTS UP SO I HURRY AND GO HOME AS IM PULLIN IN DRIVE WAY SHE SHUTS DOWN WHATS THE DEAL??? BLACK HOT *** CARB!!! OH ITS A HOLLEY 600 IVE NEVER HAD PROBS. WITH THEM
I would expect 3 possibilites

1) That the hiss is related to a vacuum leak causing the mixture to go lean and resulting in overheating the engine.

2) The cam has fallen out of time (retarded) because of wear in the timing chain and gears, resulting in fire getting out of the cylinders and into the intake. this could also be the distributor is out of time without regard to cam position relative to the crank.

3) The exhaust crossover under the manifold has burnt thru putting hot exhaust into the intake.

Bogie
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