750 CFM Race Demon Carburetor on a mild Ford 351W - Converting alcohol carb to run on gas
Converting a (Holley 4150 style) Barry Grant Race Demon alcohol carburetor to run on gas. Innovate Motorsports Dual Lambda (AFR) Gauge in use Carburetor Specs, initial setup after converting to gas: Idle Air Bleeds Primary: .059” [Changed to .070" to make more lean] Idle Air Bleeds Secondary .063” [Changed to .070" to make more lean.] HS Air Bleeds .039" Booster Down Leg .160” Squirter .031 Throttle Plate 1-11/16” PVCR Size .059 “ Idle Feed Restrictor . 033” Primary Jets 76 Secondary Jets 83 Power Valve 8.5 Needle and Seat .110” Accelerator Pump 30 cc
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My Favorite carb 1000cfm race Demon. I wish they still made it.
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This is how you tune a car's carburetor so it doesn't use up gas and has power.
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