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I am looking for information/advice regarding setting the fast idle screw position on a thermoquad for cold starts. Neither the shop manual or the carb rebuild instructions are explicit on this - at least not that I can find. Some carb adjustments are made with the fast idle screw on the top...

Well, the car is tucked away for a winter sleep and I have been thinking about next year's projects on it. I have decided to install bushings on the primary throttle shaft of my 6319SA Thermoquad (small bore primary version). This past summer I was noticing a periodic whistling sound that...

I have a friend with a 340 Challenger (yes I know this is B bodies only - but he needs help guys :-) ) that he just can't get fired up unless he dumps gas down the throat of the carb multiple times. Cranking the engine just doesn't seem to get fuel to the carb. Once its running, it runs...

I am planning to replace the gasket between my TQ 6319S carb and the intake. I see that there are two styles available - one open between the bores, and one closed. The gasket in place today is the open style. The open version is twice as thick, so more insulating properties from manifold...

I am in the process of rebuilding my stock 6319SA thermoquad. The caps under the main jets were leaking fuel, so I removed them and have them cleaned up ready to re-install on the thermoplastic fuel bowl. The question is what adhesive works best for this application?

I had my thermoquad apart on the weekend, and managed to mess up the spring that adjusts the closing tension on the secondary air valve. Anyone know where to find one? An old "parts" thermoquad might be the only answer, but thought I would ask...

I have a stock 73 6319SA on my 340. The metering rods installed are the stock 1966 rods. The jets are 4098's (98 thousanths jet size I believe), which I believe are the stock ones. I read that the old jet sizes should be reduced to lean out the mixture with the quality of the gasoline we get...