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Joined: Oct 2002
Posts: 103
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Oct 2002
Posts: 103 |
Has anyone have any idea's ? My 28 runs just perfect until it gets up to temp,then i cannot get over 35 mph and it spits , sputters, and burbs.some times it just down right dies !!!! thnx :confused:
isn't 28 great
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Joined: Nov 2001
Posts: 19,758 Likes: 64
ChatMaster - 15,000
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ChatMaster - 15,000
Joined: Nov 2001
Posts: 19,758 Likes: 64 |
The spit, sputtering and burps are likely due to a lean condition. Do you have the hot air tube hooked between the stove on the exhaust pipe and the carburetor intake? Are you using a vacuum tank fuel pump? If so it is likely you have a vacuum leak that opens when the engine warms up. It causes the vacuum to drop and adds more air to the mixture. The vacuum drop can reduce the amount of fuel to the carb resulting in the spitting and sputtering. There are several other possibilities so the above may not be the problem.
How Sweet the roar of a Chevy four!
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Joined: Dec 2001
Posts: 11,162
ChatMaster - 10,000
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ChatMaster - 10,000
Joined: Dec 2001
Posts: 11,162 |
In addition to the condition mentioned by Chip the coil could also be breaking down after it gets hot, you can temporaly swap out the original with a more modern 6 volt coil and use an external condenser connected to the wire going from the coil to the breaker points,and grounded on the engine or the coil mounting bracket, It is easier to mount the condenser on the coil bracket and connect it to the (-) terminal on the coil then you can check out or have someone check out the original coil ,condenser and resistance unit.
I would bet that the problem is fuel-air related like Chip suggested, but one never knows on a situation like this.
Life's a long winding trail, love Jesus and ride a good horse!
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Joined: Oct 2002
Posts: 103
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Oct 2002
Posts: 103 |
thnx guys,I'll dig alittle deeper
isn't 28 great
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