Classic Engine Tech 1967 - 1981 Engine Related

help lots of stumble

Old Apr 8, 2006 | 06:58 PM
  #1  
94B&RZ-28's Avatar
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From: Redding Ca.
help lots of stumble

um I have a recently rebuilt 327 with a mild cam... and a brand new 650 holly carb vacuum secondary...the tires will not break in a straight line and I have a tremendous amount of stumble when I put my foot to the floor. The car has a brand new power glide transmission, compression is good, vacuum is good. HELP A BROTHER OUT!!!!
Old Apr 8, 2006 | 11:35 PM
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From: Modesto, CA
Re: help lots of stumble

Originally Posted by 94B&RZ-28
um I have a recently rebuilt 327 with a mild cam... and a brand new 650 holly carb vacuum secondary...the tires will not break in a straight line and I have a tremendous amount of stumble when I put my foot to the floor. The car has a brand new power glide transmission, compression is good, vacuum is good. HELP A BROTHER OUT!!!!
Try a larger accelerator pump squirter and you may need to change the spring on the secondaries.
Old Apr 9, 2006 | 03:47 AM
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Re: help lots of stumble

I was really pissed hen I worte this. I forgot to mention that I did change the spring for the secondary. Plugs look good, I just pulled the #1. For the life of me I cannot figure it out.
Old Apr 9, 2006 | 03:53 PM
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Re: help lots of stumble

how big of a cam is it and do you have a stall converter
is it a hei distributor or pionts
what gears are you running ??????
Old Apr 9, 2006 | 08:35 PM
  #5  
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Re: help lots of stumble

I would really like to kick myself in the *** now
Always start with the basics boys and girls----CHECK YOUR DAMN PLUG WIRES AND PLUGS FIRST!!!!!!!!! 1 of the plugs had backed itself out.....
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