Quadrajet Problem Solving > Dialing in your rebuilt Quadrajet carburetor
7045214, w/ complete kit from Cliff installed, recipe #2, WOT problem.
429bbf:
some thing doesn't make sense.my engine is real similar . my gear ratio is 2.75 i know its to tall what rpm are you running at 75mph?im asking cause i want to change gears.im looking for about 3000 at 65. anyway back to the problem. I'm only running the over the counter napa stock fuel pump i think it was 30.00 I'm thinking ether the float is to low or your needles are'nt coming up.what size needles and jets do you have ?i believe i have 73 jets with 52 rods . id have to dig out my specs to be sure. fwiw
429bbf:
forgot to mention found a site that says a stock 429cj with/auto came with 72 jets and 50b rods hth
429bbf:
just thought thought of something . i think thats about the year they changed primary rod length.fwiw
spluhar:
My engine is not a CJ. My carb is off of a 75 Chevy pick up. I called Cliff and ordered a "kit". He spec'd it out. It came complete. It included a larger needle/seat. I'm going to try to add a little more float level, as it seems (after driving it for a while) to be running out of fuel often.
spluhar:
--- Quote from: 429bbf on November 08, 2014, 07:43:22 PM ---my gear ratio is 2.75 i know its to tall what rpm are you running at 75mph?im asking cause i want to change gears.im looking for about 3000 at 65.
--- End quote ---
3300 is 80mpg (about). I love the 3.25's. That's with a 28" tall tire.
http://www.wallaceracing.com/gear-speed.php
That is a gear ratio/mph calculator link. Don't forget that you'll get some slippage through the auto trans.
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