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06-17-2011, 12:34 PM
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#1 |
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Registered User
Join Date: Jul 2008
Location: Buffalo, Tx
Posts: 422
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Re: vacuum lines
ok got a bunch of the vacuum caps from napa and i got it to where it will run now. I am still get a little bit of back firing through the exhaust how do I tue this thing. I am not real familier with carb tuning so please be patient and walk me through this...
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06-17-2011, 02:15 PM
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#2 |
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78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
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Re: vacuum lines
do you know if it is a BB454 stock carb or maybe a SB350?
any part numbers?pics? ported i believe is drivers side on the front over the idle screw any idea if the cam has been changed? turn the idle screws in (just seat them) back out 1.5 turns
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John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 |
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