Opinions, should I use one or not? If yes, I will need to order a new one I live in Washington State so may do some limited driving in colder weather.
67 SS 350 - Exhaust Heat Riser Use or Not?
LarryD
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If you building a number matching car, go for it. If not and you not taking a classic car out in the winter and the snow and the salt in the cold, you don't need. But it's totally your call. Good luck with the project.
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1985 Chevy dually 427 BB. That's just one example. Winter or summer had no issues with no choke. Depends on how much you know how to start and run a car.
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I didn't want to burn the paint on the intake manifold, so I blocked off the ports at the head with thin sheet metal. Then - I cut the inner flap out of the heat riser so as not to impede the exhaust flow. Yeah - it may be a pain to start - but once it runs, keep the engine at about 1200rpm for a minute or so for the engine to warm up some and it should be good to go from there. I saw a segment of a show from Peter Klutt (forgot the name of the show) he said once you get gas to the carb......press the accelerator to the floor two times - wait for about 20-30 secs and it should start right up. Ever since I headed his words - no problem.
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18,696 Posts
OP is asking about heat riser not the choke.
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All work together in a stock system. Deviate and the system changes.
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I was just bustin your chops for fun. Haha
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