Quadrajet Problem Solving > Quadrajet Parts and Numbers

1967 gto dashpot - Rochester 4bbl

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nc67gto:
Thanks for the part numbers- yes I am currently talking about the Buick carb. 

The other question was more of an installation/alignment question.  The original carb and dashpot were removed before I owned the car and I wasn't sure if I could re-use the bracket from the Pontiac carb and have the dashpot align correctly on the Buick carb, or if I needed to source a different bracket.  I am also trying to determine if I need to install at a specific clearance between the dashpot plunger and throttle lever.

Ethan1:

--- Quote from: nc67gto on March 30, 2014, 12:04:09 PM ---Thanks for the part numbers- yes I am currently talking about the Buick carb. 

The other question was more of an installation/alignment question.  The original carb and dashpot were removed before I owned the car and I wasn't sure if I could re-use the bracket from the Pontiac carb and have the dashpot align correctly on the Buick carb, or if I needed to source a different bracket.  I am also trying to determine if I need to install at a specific clearance between the dashpot plunger and throttle lever.

--- End quote ---

 The bracket for the dashpot looks the same between both carbs, but with different part numbers. Wouldn't hurt to try though. Not sure on your other question. Cliff would be best to answer this. ;)

nc67gto:
Thanks Ethan.  You've been very helpful.  I'll check with Cliff on the alignment question as I also need his input on repairing the fuel inlet for the original Pontiac Qjet.

nc67gto:
Ethan

I can't seem to locate a source for these part numbers. I checked on the Pontiac registry site and the GM/Delco part number for the 1967 quadrajet dashpot is 7026290 (or DP 102 for replacements). It's noted as a "Throttle Return Check Assembly".  The bracket/lever and the diaphragm appear to be integrated as a single unit - same as the photo I attached to the original post.  Since the bracket I have appears to fit both the original 67 carb and the Buick 68 on the car, I'm hoping to find the 7026290 part with the integrated bracket so I can use with the either carb. Any ideas on where to locate one?

Ethan1:
 7026290 I believe is the correct part #. Best place to look is on eBay or post a wanted ad on PY forums or on here. Sorry I can't help out much. One just sold on eBay for over $200.

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