BarryB, next time you need a Holley, Rochester, Carter, Ford, Motoctaft, Auto-Lite carb redone, consider sending it to me, please. One of my jobs through the years was doing Pro-Stock split dual carbs for racers, and race event track tech as well, out of Holley's race shop, 5 years working there. I do all the carb work for miles around here, shops, individuals, name it, I do it, all sorts of carbs, not just Holley's. Biggest issues I find are throttle shaft bores worn out, leaking, which I teflon bush, and Q-Jets that are over torquesd on the front two hold down bolts, rendering them just murdered/internal leaks, put together wrong, plastic or nitrophyl floats instead of brass, stuff just done wrong, wrong, wrong.
My pal Mel was over today, has a Q-Jet on one of his pickups, 1975 Chevy El Camino, small block 350, and that carb has been through the course, worked on by everyone else here, still doesn't work right. I will build him one of my spare 6210 Holley spread bore carbs for this engine some time next week, direct Q-Jet replacement.
My across the way neighbor has a 1968 Dodge dump truck, had a Thermo-Quad on it, and I built him another 6210 for it, made that 361 industrial engine wake right up.
The Chevy 1 ton C30 dually I have had a 292 inline 6 in it, but, got the truck because the engine was turned into a 5 cylinder, rear bore gone, rod thrown. Truck was free, so.... I then worked on a truck for a friend, had a new conversion to V8, and I got the old engine, GMC 305E "big block" V6. Grafted the two together, now, it's running, with a nice early 1960's Holley 2bbl off a Ford 292 V8, on a home made adapter.
The carb you have in the picture is a great carb, doesn't have many adverse issues, easy to work on, simple to redo. The qun=intessential base two barrel Holley carb. If you post the Holley LIST number, NOT the Ford OEM number, I can give yu all the specs for what is inside that carb. The LIST number is where the OEM number is, on the driver side of the choke tower, in the air filter area, and will have something like (erxample) "LIST 4210", and, possibly a dash number past it, like "LIST 4210-3". The list number tells me a lot more about that carb than the OEM Ford number does. The dash number twells me if it is a first design, or with the suffix number, what changes were made in its life time.
Let me know if you are open to my helping with your car/truck carb rebuilds and issues.
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