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Terry,OH · 09-20-2021, 06:22 AM

Both MUST have throttle plates!!! With two 97's the adjustment is about 1 1/2 turn out. Are you running the Carbs with linkage synced or progressive? Typically synced is good. You may need a Uni-Syn or similar gauge to monitor the air through the two Carbs at idle to adjust each so they work together equally. The idle vacuum will be lower with two Carbs about 15"

09-20-2021, 06:22 AM	#12
Terry,OH Senior Member Join Date: May 2010 Posts: 4,751	Re: Stromberg 97 adjust Both MUST have throttle plates!!! With two 97's the adjustment is about 1 1/2 turn out. Are you running the Carbs with linkage synced or progressive? Typically synced is good. You may need a Uni-Syn or similar gauge to monitor the air through the two Carbs at idle to adjust each so they work together equally. The idle vacuum will be lower with two Carbs about 15"