1970 International farmall 656

benw75 · May 9, 2013

I"ve just done a complete distributor cap/rotor change, replaced plugs and wires, replaced fuel filter and gas, blown out fuel lines, sucked out any sediment in gas tank and it will run for a little while until it gets hot then chugs and sputters unless I stop and throttle the engine back.

teddy52food · May 9, 2013

Points & condenser?

LP GAS ONLY · May 9, 2013

COIL?

Allan in NE · May 9, 2013

Coil.

Allan

Janicholson · May 9, 2013

Feel the coil if it is too hot to keep your hand on it it is toast. Jim

Charlie M · May 9, 2013

Do you get a good flow for a few minutes from the carb if you pull the plug.This or one of the other ideas listed will almost certainly fix your problem.

Curt Cooke · May 9, 2013

I probably sound like a broken record but be sure you are using high octane fuel, 93 if you can find it

Hayrack · May 9, 2013

I agree. Coil. When they get hot, the voltage output is reduced. It will have enough spark at low rpm to fire.. but will sputter and cut out at higher rpm.

dhermesc · May 10, 2013

Why? Other than burning you money up faster higher octane doesn't do anything for a low compression engine that only called for 91 RON and 87 (R+M)/2 when it was new and had full compression.

1970 International farmall 656

benw75

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teddy52food

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LP GAS ONLY

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Allan in NE

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Janicholson

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Charlie M

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Curt Cooke

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Hayrack

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dhermesc

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