General Category > Quadrajet Carb Talk and Tips
Looking at a 7026250
Ethan1:
Yeah, for some reason, Rochester didn't put everything on the parts list. It does have a part number. Surely, you would think it would be on that list. As for dropping the idea, I believe in the late 60s, early 70s, there was something similar done. Except on the divider baffle. Let see if I can find a photo. Same purpose, I believe it was to deflect more velocity air in parts of the engine. I could be mistaken, but I am pretty sure. 8)
EDIT: Here is this: http://cliffshighperformance.dreamhosters.com/simplemachinesforum/index.php?topic=1558.msg7474#msg7474
The photo was from an '85 Qjet, but there was another year Qjet with the same kind of notch on the secondary flap.
Ethan1:
Won't let me upload anymore attachments and PB isn't working, so you are going to have to go to Google.
But, the 1985 Qjet divider baffle is on there with the "notch" or "tang".
https://www.google.com/search?q=qjet+divider+baffle+tang&biw=1366&bih=659&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiKi_H6oZDQAhXGeSYKHY_nD3cQ_AUIBygC
Mudsport96:
Yes that's the flap on mine.. And i saw a post with the box on the divider, its probably the same concept. The whole carb will probably just go on my shelf. I don't really need to use a 66 carb as I have several others to play with. It can just wait around for someone that needs a complete carb for a 66 Tornado lol.
carmantx:
Looking at all the years of Quadrajets, it is interesting to see the things used for a year or two and dropped. I think I heard that flap on the air valve made no difference in performance and not needed.
Ethan1:
--- Quote from: carmantx on November 04, 2016, 08:58:15 PM ---Looking at all the years of Quadrajets, it is interesting to see the things used for a year or two and dropped. I think I heard that flap on the air valve made no difference in performance and not needed.
--- End quote ---
I heard that, too, but I wonder why Rochester kept trying to come up with an idea to do that. Could've there been an easier way? Maybe back then, the answer and technology they had, would be NO. Interestingly enough, I have seen 3 different variations of this "modification" by Rochester. Hmmmm.
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