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PC/SR · 05-31-2011, 11:43 PM

The Thomas manifold also has only the single elbow turn per carb. I tried adjustable jets on Ford 92's, had a hard, that is, impossible, time getting everything balanced. Same with the power valves-the modern valves screw in but do not seat right. After spending most of the winter dicking around, sent mine off the Jere Jobe and he put in 5.5 power valves and .042 jets. Runs great now, but those sizes may or may not be right for your application. Its expensive, but I think it is worth having the pros rebuild and balance those carbs. There is a lot more to it than just replacing parts from a kit.

05-31-2011, 11:43 PM	#8
PC/SR Senior Member Join Date: May 2010 Location: Santa Rosa, CA Posts: 1,279	Re: Dual Carb Banger The Thomas manifold also has only the single elbow turn per carb. I tried adjustable jets on Ford 92's, had a hard, that is, impossible, time getting everything balanced. Same with the power valves-the modern valves screw in but do not seat right. After spending most of the winter dicking around, sent mine off the Jere Jobe and he put in 5.5 power valves and .042 jets. Runs great now, but those sizes may or may not be right for your application. Its expensive, but I think it is worth having the pros rebuild and balance those carbs. There is a lot more to it than just replacing parts from a kit.