General Category > Quadrajet Carb Talk and Tips
'66 calibration data
ourkid2000:
Good day folks!
Just wondering if anyone has the measurements for the calibration points on the '66 Qjet for the Olds Toronado. The two carbs I'm interested in are the 7026250 and the 7036250. My car actually came with the 7036250 (Cali - K19 option).
I'm exploring replacing the original carb on my '66 Toronado with a better Qjet design from later years.
Thanks!
ourkid2000:
Forgot to mention, original engine with no modifications. Bone stock and keeping it that way.
Cliff Ruggles:
I don't understand the question.
"Measurements for calibration points"?
If you have the original carburetor and it's unmolested you have that information already. A bone stock factory carburetor should work fine on a stock unmodified engine. At most on this new fuel if the engine is wanting a tad more fuel in the "normal" driving range I'll do a very slight jet or jet rods change to them, but only if it's not flawless with the stock set-up in the carb.....
ourkid2000:
--- Quote from: Cliff Ruggles on December 18, 2024, 04:26:35 AM ---I don't understand the question.
"Measurements for calibration points"?
If you have the original carburetor and it's unmolested you have that information already. A bone stock factory carburetor should work fine on a stock unmodified engine. At most on this new fuel if the engine is wanting a tad more fuel in the "normal" driving range I'll do a very slight jet or jet rods change to them, but only if it's not flawless with the stock set-up in the carb.....
--- End quote ---
Sorry I missed this reply!
Also....oh, sorry. I should have mentioned that I actually don't know what all the points are that need to be measured. I'd be happy to learn though and figure out the process. That would be very enjoyable actually. I was thinking that I'd need this information for the person who actually has to build my replacement carb.
So when you say a bone stock factory Qjet.....what would you be referring to? I'm planning on removing the original stock 7036250 and putting it away, on the shelf, to be replaced with a much better 704 type Qjet. Now, I have absolutely no idea which one to go with because the 7036250 was pretty uniquely setup for my car originally and my understanding is that the 704 would have to be significantly modified to work so there's no "bone stock factory" carb that's immediately available (if I understand you correctly).
Thanks for the reply!
Cliff Ruggles:
You have to select a carburetor before you can move forward. Since you are looking to use a later carburetor to replace the 1966 model it has to have all the parameters that you need so it will work.
Throttle linkage, vacuum ports, type of choke, fuel inlet location, etc.
The tuning parts in the original carbs really don't matter. Whoever is going to do the work will have to set-up the new carb for what you are doing......
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