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Old 11-18-2023, 01:17 PM   #3
chevy72blu
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Join Date: Apr 2004
Location: Las Vegas, NV
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Re: Engine running rough below 3k RPM. Fine above it. ???

I've always been skeptical of that stuff but I suppose it wont hurt. I read I can add it to a full tank and it also acts as a fuel stabilizer, so why not?

If this was a carbed SBC I would have already placed the dizzy cap and the plug wires. But on this thing, I should be getting a code if it is misfiring, no?
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