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Old 03-17-2005, 01:07 PM
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a more efficient solution

I'm getting back fire under my hood when ever my trany down shifts. My engine also sounds like the timings off. "so get it timed, duh," But it was timed no more than 3 weeks ago. Do i need to get it timed every month or is there a more efficient solution?

i have a late 60's 350 with a bore and stroke. "not sure how much of each."

I have miss matched wires "complimentary of the shop i took it to"

The top end was completely redone.

New plugs are in.

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Old 03-17-2005, 01:15 PM
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My guess would be that carb is bad. I have a friend with a car that is acting very similar, and a couple of shops have recommended a new carb. Just an idea.

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Old 03-17-2005, 02:34 PM
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you may as well get a new set of wires thathave the same impedence
and make sure they are not crossing, Then look for air leaks
Carb back fires generally a lean condition.
make sure your valves are set right as well.
BUT just do one step at a time
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