[davepl]

Why are you even searching for performance parts on the Internet? Get what your truck was designed for.... A Quadrajet, like something with casting number 7040206. That's a Q-Jet for a 1970 402, 50-state emissions, automatic transmission.

Then have that carb gone through by someone GOOD like Cliff Ruggles.

Then bolt it on and tell your friends you have EFI if you like. My truck starts and runs like a new vehicle.

But that is all dependent on everything being there and operating properly, from the heat riser to the heat stove to the unblocked crossover and choke and pulloff and everything the factory did to make them operate smoothly.

Far too often people rip off all those parts, stuff a Holley HP double pumper on their vehicle, and then complain carbs suck.

Just assemble your truck like GM designed it an all will be well.