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The engine sizes for the 1972 Chevy Cheyenne included the 250, the 262, the 292, the 305, the 350, and the 400. The 454 was also offered for the 1973 model year.
You have wires going to the carb on a 72 Chevy c10?
1972 chevy cheyenne 10 super with 400 big block price will be at price of 19,900 $
Register with Auto Zone and the diagrams are free
Get a chiltons manual from the library for 72 chevy's.
chiltons repair manual from the library.
Plug gap is .035 and you will need a chiltons repair manual from the library for your year car to see the vaccum routing.
try a chiltons repair manual from the library for your year vehicle.
Where the fuel line connects to the carburetor you will see a large bolt. Unscrew that bolt and the filter will be located behind it.
you can get from a chiltons book . you can but them at any auto zone
Check for vacuum leaks. It sounds like the carb may need to be adjusted.
I have a 72' Cheyenne custom camper with a 402 engine. It was made before gas mileage was important because of the prices were so low. I get about 13 MPG on it.