General Category > Quadrajet Carb Talk and Tips

Carb ID

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pggto:
I have a carb I got off a 79 TA 400 4 spd parts car ,the engine was swapped to a 455 but I think the carb is original. I'm looking for an 800 CFM canidate for a 455 project, is this a good carb for that application?  The number is 17059263, I looked the number up on Wallace Racing but it wasn't listed. Thanks

Cliff Ruggles:
That is the correct carb for the Pontiac 400 engine in 1979 with the manual transmission.  Excellent unit, same as the one I use on my 455 up near 600hp.

They are emission calibrated, and just a tad lean everyplace, but an excellent starting point for a real nice HP carburetor....Cliff

pggto:
This carb has that big horn in the middle that looks like it will interfere with the air cleaner? Is this something that is shaker specific? Thanks

pggto:
Heres a picture of what I'm referring to.

4speed:
yes . you'll need the 78-79 W72 air cleaner .  any 400 t/a air cleaner will work but correct looks like this.

looks about the same as the early 70's - 76  but is different.  because of the valve cover vent tube and egr holes.   so 78-9 is correct.




this one will work its 77 W72 and 77-78 L78 400's  79 400 was 4 speed only.



but if you want to ever sell your carb , do let me know.. 

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