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Old 10-05-2015, 06:17 PM   #7
RyansToy
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Join Date: Aug 2015
Location: Nova Scotia Canada
Posts: 145
Re: Tuning carb with a Vacuum Gauge

I didn't bother with the 12 gauge wire on the fuse block. I ran the original wire to a relay and used pretty thick gauge wire to run the source right from the battery (all of 1.5 feet).

I actually didn't notice any difference after doing this, but because i work for an electronics company - at least it cost me nothing.

its a factory HEI (probably from a 1984ish 6 cylinder). I am using the vacuum advance. I checked the can is working ok (used a vacuum pump). Not sure about the weights on the mechanical advance.

I almost went for the gap tool today, but am not certain that would be a cause of my hesitation... I don't want to change anything till I sort the acceleration thing out.

Do you guys think just the gap alone would cause such a significant stumble?
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1968 GMC truck
910 Trim (Canadian)
127" WB
3 on the Three Trans (Saginaw SM330)
250 ci L6 Engine
HEI ignition (early 80s L6)
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