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STUMBLE COMING OFF THE LINE 1972 MONTE


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CAM80Z28
New User

Aug 24, 2012, 5:09 PM

Post #1 of 5 (1738 views)
STUMBLE COMING OFF THE LINE 1972 MONTE Sign In

Frown 1972 M0NTE CARLO HAS A DEAD SPOT IN THROTLE OFF THE LINE .... 402 BIG BLOCK 800 CFM EDLEBROCK CARB..I THINK ITS TOO MUCH .. I HAVE A 600 CFM TO TRY (ENGINE IS BUILT ) WHAT DO YOU THINK ?????


Discretesignals
Ultimate Carjunky / Moderator
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Aug 24, 2012, 5:17 PM

Post #2 of 5 (1736 views)
Re: STUMBLE COMING OFF THE LINE 1972 MONTE Sign In

Vacuum advance working in the distributor? Make sure the diaphragm is good and the linkage moves in the distributor when you put vacuum to the actuator. The vacuum hose for the advance has to be on ported vacuum.





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Hammer Time
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Aug 24, 2012, 5:24 PM

Post #3 of 5 (1732 views)
Re: STUMBLE COMING OFF THE LINE 1972 MONTE Sign In

Too much carb will definitely make it bog if you give it too much too fast. It might help to increase the accelerator pump volume with the 50cc pump kit. I've been known to enlarge the squirters a little too.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



nickwarner
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Aug 24, 2012, 10:07 PM

Post #4 of 5 (1709 views)
Re: STUMBLE COMING OFF THE LINE 1972 MONTE Sign In

Little more info on the motor would help too. What cam specs are you running? What ratio of rockers? What is the compression ratio of this? What have you had done to the heads? What is your rear end gear ratio and rear tire size? Running street tread or slicks? Open, posi or locked?Which intake and what are the specs on your exhaust? So much comes into play on this to try to dial in a diagosis.


re-tired
Veteran / Moderator
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Aug 25, 2012, 10:36 AM

Post #5 of 5 (1686 views)
Re: STUMBLE COMING OFF THE LINE 1972 MONTE Sign In

Heres a simple tool that may help


Carburetor CFM Calculator


LIFE'S SHORT GO FISH






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