General Category > Quadrajet Carb Talk and Tips

1972 chevy c30

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jbh7052:
Hey Mr. Ruggles!  Want to start with saying thanks for your help in the past. You, your kit and your book helped me fine tune a quad for a small block chevy in my jeep! Still running great! Now, I just purchased a standard kit from you and it will go on a stock 350 in a 1972 c30. Gear ratio is 4:10 and tire size is 235-85-16. I have a 1992 700R4 tranny. Any advice on initial setup of the carb? 7042210

Cliff Ruggles:
Set the float to factory specs, and make sure the power piston hanger arms are level and exactly even.  They used an APT system in the baseplate in that model so very important that the metering rods aren't hanging in the jets are different heights.

The 700-R4 will require a TV cable hook up.  Not sure if there is enough material far enough from center on that carb to make it happen.  You may need to add a piece to the linkage for correct geometry/operation of the cable......Cliff

jbh7052:
Thanks for the input sir! I have the tv system in place already before the carb rebuild. I will check everything you mentioned and am thankful for your advice. I will get it rebuilt this weekend and post results.

jbh7052:
I have the carb apart now and soaking in cleaner.  To gain access to the apt do I just take out the aluminum  plug in the base plate?

77cruiser:
Yes. Then you may have to use some heat to get the screw to turn.

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