General Category > Quadrajet Carb Talk and Tips

putting a quadrajet on an inline 6?

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sixtyeightchevykid:
i would like to put a 4 barrel carb on my 68 chevy 250 inline 6.   i have an offenhauser intake manifold and i also have four qjets two of which are in good enough shape to be used. i know i will need an adapter to bolt the carb to the manifold. im wanting reliability, and i think i would like to have a manual choke, id like to know if it can be done and if so how.  i am new to carb tuning and set up, but i want to be able to do it. and have something a little different. any advice on this?

Shaker455:
Pontiac had an inline six (sprint 6) that used a Qjet.

I had a 67' Firebird here with that combo and once tuned it worked great.
Jeff

6banger:
i have quadrajet on a little 202ci  inline 6
i had to run richer secondary metering rod to overcome the lack of fuel signal when the flaps open up (changed AN for DA)
but on a 250 you will have less problems with that

Schurkey:
I suggest avoiding the manual choke.

Every aftermarket manual choke conversion kit I've seen is PURE JUNK.  Flimsy, weak, falls out-of-adjustment at the drop of a hat.

Automatic chokes are easy to adjust, work correctly long-term, and are proven technology.

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