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Old 04-08-2003, 11:45 PM   #1 (permalink)
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Heater core supplied by throttle body?

350 carb -> 454tbi swap.

It looks like the heater core is supplied by a large metal tube coming off the Throttle body. The tube is almost rusted through in spots. This sound right?

Also The thing has a external coil. External coils and mud trucks dont mix. Can it be converted to the kind with the coil in the dist. cap?

Charlo
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Old 04-09-2003, 11:34 AM   #2 (permalink)
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Put the coil in the cab thats were mine is. Out of the way and nice and dry!
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Old 04-09-2003, 02:41 PM   #3 (permalink)
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I used an early 80's corvette distributor which allowed me to use my HEI coil. Its a full size distributor cap but screws to the distributor instead of the push clips, but can use and old school top coil.
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Old 04-09-2003, 06:02 PM   #4 (permalink)
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That tube coming out of the throttle body works much in the same way as a carb pre-heater.. Basically it just routs coolant through the throttle body to keep it from freezing up. Some people just by-pass it but thats up to you.
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Old 04-09-2003, 07:45 PM   #5 (permalink)
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Quote:
Put the coil in the cab thats were mine is. Out of the way and nice and dry!
I dont know why I didnt think of that. Thats were it is going for sure.

Quote:
That tube coming out of the throttle body works much in the same way as a carb pre-heater.. Basically it just routs coolant through the throttle body to keep it from freezing up. Some people just by-pass it but thats up to you.
Yeah I live in SO Cali so I will just bypass. I should probably plug both ends though huh?

Thanks guys


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