carb adjustment help
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Senior User
Joined: Jun 2007
Posts: 394
Likes: 0
From: Springfield, Il
carb adjustment help
hi, i had sent my carb to be rebuilt because of a fuel leak out of the side. it was a original style holley 2 barrel, i got it back, put it on and it still leaked. the mechanic suggested that the bushing in the throttle shaft was worn and that makes it non-repairable, needs a new base plate he says, i then decided to buy a new holley street performance 4 barrell, the truck runs better than ever except for when i am stopped am sitting at a light, it has a very noticable vibration throughout the whole truck, the engine is a 292 y-block with a fordomatic tranny, like i said, it runs great once i give it gas. i just wonder what everyone else thinks as far as ajustments go, maybe try to bump up the idle a little, i just don't want to go and start adjusting without a few other opinions. also, i sent the truck to a tranny shop to adjust the kickdown linkage since the four barrel changed all of the original linkage setup. thanks in advance.
Cross-Country
Joined: Apr 2007
Posts: 96
Likes: 1
Sound like you should also check for vacuum leak and do some adjustments on the idle/Mixtures and maybe check the timing.
See if there is a shop that can adjust it with a InfraRed or other canner or scopes to see if the mixture is correct on the Air/Fuel ratio.
See if there is a shop that can adjust it with a InfraRed or other canner or scopes to see if the mixture is correct on the Air/Fuel ratio.
