Engine backfiring
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Joined: Feb 2011
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Engine backfiring
I have a '79 F250 with a newly rebuilt 400. The engine has an edelbrock camshaft and timing set, weiand intake, and summit racing headers. Everything else is a stock set up. The other day it started backfiring out of the carb. When i would stop at lights and such it would idle down to about 500 rpm and almost die, when I would try to accelerate from the stop the engine would backfire and nearly die. Also, running at higher rpm when I would open the throttle it would also backfire. If I eased into the gas it wouldn't have as big of a problem. I am set to check the timing in the next little bit. What could be casuing a new engine to do this, and what would also be optimal timing for my set up. Thanks for any help
