Thread: Penny
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Old 12-26-2022, 07:26 AM   #60
gmtech68
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Join Date: Aug 2008
Location: Devon, Alberta
Posts: 24
Re: Penny

Usually the rivets come in the carb kit but you need a spacer on the pin to space the gun away from the head of the rivet. Most older carburetor choke screws are self-threading and the right size.
Believe it or not, most of the "pollution junk" on the engine is needed. The EFE valve controls the heat riser valve. That needs a thermal vacuum switch. The heat riser valve dictates whether exhaust is directed under the carburetor for faster and smoother warmup. The vacuum motor on the air cleaner snorkel and the pipe that brings warm air from the manifold are important. Warm air is needed to keep the ventures from freezing off in cool damp weather. I learned this the hard way. Lots of smog era engines will ping without the EGR valve working. About the only thing I might try to bypass is the vacuum delay for the distributor.
I can't wait to see this build. I like how you work!
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