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Tractor Pulling Discussion Forum

M Carb, Can I Buy A Larger One??

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terryjd98

07-22-2003 19:09:02




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On a 1946 stock Farmall M could I buy or use a larger Carb then came stock on it? I would like to come up with a few more feet on a pull. We do very well pulling now win the odd one depending what tractors show up if all are stock or close to stock we are ok but have noticed some M's and SM's look like they have a larger carb and maybe intake manifold on them. There are very few rules in pulling in my area and go against some pretty hopped up tractors. I don't have the funds to build a 150 hp M so would like to try a few little things to maybe move up into the top 3 or 4 when the big guns show up. Thanks Terry

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MOVEOVERBIGROVER

07-22-2003 20:47:37




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 Re: M Carb, Can I Buy A Larger One?? in reply to terryjd98, 07-22-2003 19:09:02  
With out the cubes the bigger carb will hurt the power you are making now,,,the best thing you can do is get on a dyno and tune up your motor,,sorry the bolt on power just is'nt out there,if you want to pull with the big dogs you need to play the same game,,what will help is a 400 or 450 GAS head, an LP manifold, and W-9 carb.,get the pertronix ignition with the 40,000 volt coil and autolite 4116 spark plugs gap at 35ths,set your timming at 22 degrees advance(use advance timming light) at 1600 RPM,run 89oct gas,,NOW make shure you have copper core plug wires also,,get on the dyno when you get it running and TUNE to best power at 550 PTO,this setting is VERY important you Must use 550 PTO,this will load the motor good and when tunned in,it will have good grunt for what you have,,,,, ,keep posted..... ...

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