73-87 Chevy _ GMC Trucks > Fuel Systems and Drivability
Found a Quadrajet
Mr. Machanic:
Hot diggity!!!
I was looking for a doner-jet.
Found a local 1705 7213. Mine's a 8213.
I couldn't ask for better and the price was great.
To me it's worth the education.
When I worked on bikes (GL1000) I was always willing to pay for a chance to get educated. Because ignorance is way more expensive than knowledge.
I am a technical manual nut and I'll drive hours for a doner project.
Any who, this carb is about to get the works.
It has loose butterfly rods that need bushings installed.
There are rods missing and who knows what else.
My goal here is to rebuild this carb and then swap it out with the one on the truck and then rebuild that one and return it back to the truck.
This way, I don't lose the use of the truck and I still have a running carb, in case I bugger this one up beyond servicability.
Fingers crossed.
BTW, has anyone used the Kevin R. Hill book, The QJ MPG Secret...?
I've read it...the jury is still out.
I do have 4 manuals on the truck and a .pdf on QJ's. All of which I've read.
If you happen to know of a good QJ manual, please let me know.
I will take photos as I go and if you have any insight or suggestions, feel free to post...
..as long as it's not a suggestion to throw on a Holley....my high school from the same era as the truck suggested that already...he's not helpful either...lol
Captkaos:
I personally wouldn't run anything on a driver car but a QuadraJet if I didn't have EFI. https://cliffshighperformance.com/ is one of the goto places for Quadrajet rebuilds or info. The owner wrote this book: " "How to Rebuild & Modify Quadrajet Carburetors" available on his site.
story on how to modify for todays Ethanol gas: https://www.motortrend.com/how-to/quick-tech-ethanol-friendly-q-jet-rebuild/
Well Plugs and shaft bushing were the main issues on them from the past.
Mr. Machanic:
His book was ordered last night...along with a couple others.
Mr. Machanic:
This is the original 78 QJ on the Big 10.
Mr. Machanic:
Here's the same 1705 QJ, just a 77 instead of a 78.
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