So motor is rebuilt, back in the car, I was going to start it up and it cranked but wouldn't catch. Checked fuel in the clear filter, and it didn't seem to continue to be feeding. It sloshed a bunch in there but didn't seem to be continuing to feed, so I thought fuel. Then I checked spark, and it didn't have spark either. So I traced my wiring, double checked grounds, and found a couple wires backwards. I fixed that, tried to crank again, and immediately got a backfire that sounded like a .308. I mean ear ringing, neighbors coming outside, glad the kids were inside, permanent damage for someone 3 ft tall standing behind the car, even through mufflers kind of loud. Now I'm terrified I hurt something, and im worried to try again. Anyone got any advise? Did I bend a rod or valve? Crack a piston? I can't express enough how effing loud it was, scared the absolute soul out of me.
HUGE Backfire on startup, worried i hurt something
- Thread starter 67fox
- Start date
89ripper
Founding Member
Whoa pretty loud huh? Ive heard some loud backfires in my day. Im sure you didnt break anything but do you understand why it did? It would be good to get this diagnosed.
Toss up a pic of the carb and engine bay.
Perhaps just a bad power valve? Maybe the carb needs to be rebuilt?
Perhaps just a bad power valve? Maybe the carb needs to be rebuilt?
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