I'd add here that for quite a few years I owned a 1985 Caprice with a 305 carbureted engine. It didn't see much use and would sit for weeks and often months at a time. No matter how long it sat, it required two and at the very most three 4-5 second cranking sessions while pumping the throttle at the same time. It would then roar to life on the fast idle. Most of the other carburetor GM vehicles I've owned over the years were about the same way, and all of them would roar to life instantly if restarted within 1-2 days of sitting....FWIW......Cliff
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https://cliffshighperformance.com/
73 Ventura, SOLD 455, 3740lbs, 11.30's at 120mph, 1977 Pontiac Q-jet, HO intake, HEI, 10" converter, 3.42 gears, DOT's, 7.20's at 96mph and still WAY under the roll bar rule. Best ET to date 7.18 at 97MPH (1/8th mile),
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