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**LostMy65** · 04-01-2021, 08:19 PM

Been having trouble with it running rough and backfiring when I rev it up.
Idles really nice though.
I've swapped out the distributor, I've checked the timing, and I've swapped the carb to the fitech from my 65, and still acts exactly the same.
.
Next I'm going to check if the timing chain hasn't skipped a tooth.

04-01-2021, 08:19 PM	#282
LostMy65 But Found Her 25yrs Later! Join Date: Oct 2010 Location: Oregon City, Oregon Posts: 10,507	Re: My 66 Service Truck Build Thread Been having trouble with it running rough and backfiring when I rev it up. Idles really nice though. I've swapped out the distributor, I've checked the timing, and I've swapped the carb to the fitech from my 65, and still acts exactly the same. . Next I'm going to check if the timing chain hasn't skipped a tooth. __________________ I lost my 65 - Found it 25 years later: http://67-72chevytrucks.com/vboard/s...d.php?t=426650 66 C20 Service Truck: http://67-72chevytrucks.com/vboard/s...d.php?t=428035 Last edited by LostMy65; 04-01-2021 at 09:20 PM.