General Category > Quadrajet Carb Talk and Tips

#17057216 or #17085226 better option

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Mlcdc1:
Currently restoring my 1977 GMC C15 to original as much as possible and would like to replace the Edelbrock that is currently on the stock 350 engine, auto trans with a quadrajet. I have both the 17057216 and 17085226 available. I’m more concerned about gas mileage over power since it is mostly just going to be a cruising truck. Would welcome any and all suggestions on the best option along with best rod/jet combos. Thanks in advance.

quadrajam:
Are you still using the factory intake with the choke stove? Edelbrock carb on an adaptor?
Or do you have an aftermarket intake with dual mounting pattern?

QJ

Mlcdc1:
Stock intake with Edelbrock on adapter with electric choke

quadrajam:
Either could be built for power and milage. If originality is more important the 77 carb
would be the choice. I prefer the 85226.  Electric choke, Better castings, more cover screws,
one more throttle plate screw. Needs very little mods for your mild 350. Kick-down works for
700r4 or th350 CHP quality kit and recipe #1 in the book.

Cliff Ruggles:
If you have the factory divorced choke I'd use the original factory carburetor. 

Is the engine "stock" otherwise, or have changes been made to it?

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