Quadrajet Tuning - Chevelle Tech
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post #1 of 2 (permalink) Old Sep 5th, 13, 12:12 PM Thread Starter
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Frank Riley
Join Date: Feb 2006
Location: Lenexa (KC), Kansas
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Quadrajet Tuning

I have a question for the Seasoned Quadrajet Tuners... I want to use a date correct '70 750 cfm 7040202 Quadrajet on my mild 8-1 454 street cruiser engine.

What Secondary Jet size & Metering Rods would I use for a "sealevel" tune on a 750 Quadrajet for a street driven 454? (Obviously I'd rather be a tad rich than on the lean side...)

70-454 LS5

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post #2 of 2 (permalink) Old Sep 5th, 13, 3:38 PM
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Re: Quadrajet Tuning

that carb should work nice on a mild bbc,check that has the correct primary jet/rod combo to start with;76/42. sec. jets are a fixed set-up cant be changed ,fuel curve is done thru rods/hanger set-up. rear rods from factory are BA.Google Cliff Ruggles,one of the nicest guys out there,he stocks EVERYTHING. get his book lots of info. all that said you wont be that far off if any with the 202. make sure there is no play in the primary throttle shaft(almost always) and get your kit from Cliff.all his stuff is E-10 friendly.
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