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Joe/Ct · 07-30-2021, 04:40 PM

I am running two Stromberg 97 carbs on my '39 coupe. Runs great, but backfires, thru exhaust, while idling. This usually, I am told, means a lean mixture. However, the backfire seems to go away when I use the choke (don't know whether it's the higher rpm or the chocking that does it). Recommendations?

07-30-2021, 04:40 PM	#1
Joe/Ct Senior Member Join Date: May 2010 Location: Waterford, CT Posts: 250	Backfire I am running two Stromberg 97 carbs on my '39 coupe. Runs great, but backfires, thru exhaust, while idling. This usually, I am told, means a lean mixture. However, the backfire seems to go away when I use the choke (don't know whether it's the higher rpm or the chocking that does it). Recommendations? __________________ Joe/Ct "The older I get, the better I was"