I just did a complete Tri-Power for a customer. He originally supplied his own carbs, but they were complete junk, so he located "remanufactured" end carbs, and supplied a kit and a stock center carb to convert it, linkage, and fuel lines, etc.
The conversion parts were excellent, and the only modification needed was to use a different idle speed screw with smaller 10-32 threads.
The "remanufactured" end carburetors were a complete "train wreck". Both leaked and flooded when we put fuel to the entire deal, one had no pump shot at all, the other weak/delayed pump shot.
When I took them apart, there was no spring under one pump, they used poor quality pump seals, jets were used and mangled, one jet was cross-threaded about 1 turn into the casting. There was a TON of slop where the inner pump lever attaches to the shaft, causing a HUGE delay in fuel delivery. Ended up MIG welding it to the shaft.
The end carbs were standard units with Tri Power tops on them, blocked off power valve, and idle screw holes in the baseplates.
End result was good, put better parts in them and new jets.....Cliff
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https://cliffshighperformance.com/
73 Ventura, SOLD 455, 3740lbs, 11.30's at 120mph, 1977 Pontiac Q-jet, HO intake, HEI, 10" converter, 3.42 gears, DOT's, 7.20's at 96mph and still WAY under the roll bar rule. Best ET to date 7.18 at 97MPH (1/8th mile),
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