moparmarkus
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- Dec 3, 2010
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I changed to a late seventies Carter Thermoquad (see pic), an autolite reman last year. Specs: 1968 Charger, 1974 440, mech. fuel pump, ecu ignition, stock 727, 3.23 open gears.
Car cold starts fine, accelerates strong, I´m quite happy with this carb, except one thing:
When engine is warm/hot and idles in gears (at a stop sign) oil pressure drops, temp rises and it nearly stalls. I have no Air Fuel gauge, sorry. But there is one hint: A warm/ hot start is impossible, because there is no fuel in carb, there is high pressure in the fuel line at carb inlet. But it seems the carb doesn´t let the fuel in. If I throw a bit of fuel direct into the two front barrels - it starts and runs with idle in neutral or drives in gears.
The TQ is an autolite reman, I had it disassembled over the winter, it was very clean and everything looked unworn or new in my opinion. It seems to be closed or clogged by high pressure or a vacuum. What do you think? Has anybody had a simmilar fault on his TQ?
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