Quadrajet Problem Solving > Diagnose a Quadrajet carburetor problem
rebuilt dualjet, now flat spot
1clnlj:
--- Quote from: Cliff Ruggles on April 28, 2016, 03:13:09 AM ---Correct, our accl pumps come with both springs, they are custom wound for improved fuel delivery, and the pump has a lifetime warranty.
Ray took a call yesterday from someone asking if they fit the Dual Jet but no order was placed that I've seen?
If ordering only the pump they are available directly off the website.......Cliff
--- End quote ---
I did place an order for a pump yesterday. Guy said he used to live in Parma. Hope it goes out today as I have a show on Sunday.
Now as far as adjusting the mixture control solenoid and the idle air bleed valve, are the specs in the service manual pretty accurate - using measuring tools? Or am I going to have to do these adjustments using a dwell meter? The car runs real good other than that flat spot, should I even mess with those adjustments - both were removed when I took the carb apart which after reading in the manual that both should not be touched. :'( Car does not have to be checked for emissions anymore but will it cause problems down the road?
Cliff Ruggles:
At a minimum set the M/C solenoid height and upper idle air adjustment in the middle of their travel. Slot the adjustment screw for the M/C solenoid so you can turn it with a flat tip screwdriver or make a tool to turn it. Install a removable set screw the airhorn for access to the adjustment.
If the carb has a metering rod limit adjustment in the airhorn slot it as well.
This way you can make all needed adjustments w/o taking the top off the carburetor.......Cliff
PS: I saw the order when I got back to the shop..tks....
1clnlj:
Thanks for all your help Ethan and Cliff. Car starts right up and idles great and now has no more flat spot. I'll hopefully take it for a ride tomorrow since it's been raining all afternoon today. If I have any other problems I will post them here but I don't foresee any.
Thanks again,
Dave
Cliff Ruggles:
Good news!....
Ethan1:
Not a problem! :)
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