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- - carb trouble (https://67-72chevytrucks.com/vboard/showthread.php?t=638410)

Mv7fd

08-04-2014 08:28 PM

carb trouble

on my 79 when i down shift and coast some it'll back fire a little what needs to be adjusted i have a 350 with a 4bbl not really sure the make of it

77chevyinline6

08-04-2014 08:49 PM

Re: carb trouble

Mine does it too. its done it since i had it, 4 years ago. lol

Mv7fd

08-04-2014 09:19 PM

Re: carb trouble

Anyone know the stock accelerator cable length I read that advance auto sells one but it's to long

rich weyand

08-04-2014 10:52 PM

Re: carb trouble

If you have the vacuum advance on ported vacuum, move it to manifold vacuum.

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