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Tractor Pulling Discussion Forum

carbs and cfm's

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sm-53

11-23-2006 05:04:44




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On the Farmall carbs (M) and W-9, is their any old information that tells what the carb cfm number was. When increaseing cubes, how do you know when to rejet and increase throttle plate size ?
Running stock rpm's in an (m) with 311 cubes, 9.25-1 compressio ratio, 450 gas head !

Thanks for any input




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champspa

11-23-2006 09:48:02




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 Re: carbs and cfm's in reply to sm-53, 11-23-2006 05:04:44  
load it up on a sled and check the spark plug color , don't do it in a gear you can spin out in . change ventures and see how far it pulls



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