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Farmall & IHC Tractors Discussion Board

Farmall 300 upgrade with strange results


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Posted by 1958johndeere620 on February 24, 2015 at 17:35:09 from (142.0.99.33):

Took the ole 300 in for some upgrades. I put a 1442 pertronix ignition system in with their high output coil. Also doing the 12 volt upgrade with delco alternator. I put an intake/exhaust manifold on from Stiener because I had a hole the size of a nickel in one of the exhaust tubes.The intake is the high output one offered by them. It is different only where the carb is supposed to get heat from exhaust side. They are not connected at the flange.Less heat = more power. They are not going to carry the stocker any more so I took what they had. After install my idle was way high. Around 1200 or better. I had to take the linkage apart at the governor connection point and take 2 full turns out then re attach the cotter pin. Why would the idle change so much by just replacing an intake and ignition? Did not even take carb off when doing the change over. Never touched anything. Kinda stumped.


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