General Category > Quadrajet Carb Talk and Tips

q'jet differences

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brad herzog:
I have two q'jets off of two '69 Pontiac's

The first is coded as a 7262 unit off a std 428 motor.  360 hp

The second is coded as a 7268 unit off a 428HO motor, 390 hp. 

I'd like to know what the differences in the jets, needles, float, etc... are between the two. 

Where can I find replacement parts to match the original specifications of each carb?  Do I want to do that with today's gas? 

Thanks,  Brad

qjetsrule:
Cliff recently posted he was very busy at the shop, so I would email him with your engine specs. He can recommend the right setup for your combination. Good luck

Cliff Ruggles:
For 1969 engines they carburetor numbers should be 7029262 and 7029268.  They may be stamped 29262 and 29268.

1967 carburetors would be 7027262 and 7027268.....Cliff

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