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Old 08-30-2010, 05:11 PM
PiperDavid14 PiperDavid14 is offline
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Need help selecting a carb

Hi, I have a 1986 Monte ss witch has a 1978 gm good wrench 350 block in it for what the casting number tell me. I have on it a Stage 2 rochester pass carb q-jet from jet performance.

I recently put
edelbrock performer rmp heads,
# Thumpr Hydraulic Flat Tappet CamAdv/Dur: 279/297
# RPM Range: 1800 to 5600
# Intake/Exhaust Lift: .498/.483
lobe separation is 107

Also has a edlebrock performer intake

and it seems the carb may not be right for the application any more. seems like its running too rich at idle and to lean at wot or just goin to the road. the carb seems too complicated to re work to get it right. any one have any ideas? maybe just change the jets in it if its possible to do.

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