General Category > Quadrajet Carb Talk and Tips

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Frank400:
1968 Camaro 327/210, 100% stock (motor never apart), 1968 iron Qjet intake and 1 5/8 headers, 5 speed  NON overdrive (Richmond 5 speed) and 2.73 rear. 

   Carb is a 1980 17080207 (dual .120" main air bleed carb, now .070 both main air bleeds), with Cliff's parts and everything that I've learned from his book and this forum.  Home built factory point type distributor converted with HEI internals and custom curve, vacuum advance as well (very important !)

   I get 25 mpg all day long on the highway and I LOVE QJETS !

77cruiser:
That's excellent Frank.
Thing about my car it came with a 305 2 barrel. Swapped to a Qjet dual ex. headers Holley 28 Z intake.
Then I had a 383 about 425 HP Qjet with adapter on a RPM intake.
Now the 421 Vic Jr. with an adapter.
Mileage in all cases were 18-19.

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