302 Carb Problems
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Freshman User
Joined: Feb 2012
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302 Carb Problems
I currently have a 600cfm vac secondaries Summit carb on my 302(mild torque cam & 4bbl street intake) in a 84 F150. I have tried jetting it down and I have good color on the spark plugs but it seems to be bogging at low RPMs. The timing is set right and all other things seem to be correctly set up. I had a Autolite 2150 on it before the mods. I hear a lot of people putting 600cfm on a 302 and not having issues but it feels like its almost too much for the engine. Does anybody have any insight on what a good setup would be or is it fine the way it is?
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
Can you describe the bogging down more? Under what conditions, inc RPM, gear, throttle action, etc? I ask because the cause would be different if it bogs as the throttle is opened quickly vs when the secondaries are opening.
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