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Re: Waking up the ZZ
Quote:
Originally Posted by cableguy0
Get your total timing to 36-38 and it will run a bunch better. The higher initial timing will help too. Don't touch the carb until timing is correct. Most carburetor issues are actually timing issues. Once timing is correct then adjust the carb. The 670 should work great on that engine.
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Vortec heads don't need that much. GM suggests 32.
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Mike
1969 C10 LWB -- owned for 34 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes.
1982 C10 SWB -- sold
1981 C10 Silverado LWB -- sold, but wish I still had it!
1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming.
Retired as a factory automation products salesman.
Worked part-time over the years for an engine builder and a classic car repair shop.
Member here for 23 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then!
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