Hello, I now own my grandfather's '64 Sedan DeVille with a 490ci Carter 3903S carburetor. My more mechanically-inclined friend and I are troubleshooting some carburetion issues that came up. In 2016, we rebuilt the carburetor with an AutoZone GP Sorenson Carburetor Kit 96-568 (https://www.autozone.com/fuel-delivery/carburetor-kit/p/gp-sorensen...) with improved carburetion results at that time. The link has a picture that is more clear than the image I was going to attach. At that time, we left the gasket (which we now know was a Fel-Pro 60034) that was touching the intake manifold alone. Replaced all other gaskets with what we believed to be correct from the kit.
Recently, we decided to rebuild it again for a number of reasons (starting that required 5-6 pedal pumps to prime, reduced power, bogging on quick acceleration from dead-stop) with a Mike's Carburetor Kit K4011 (https://www.carburetor-parts.com/k4011.html)
After reading Jason Edge's post from here, he states "For the Carter AFB I sell the Fel Pro 60034. It takes 2 of these gaskets, one below and one above the insulator."
Neither of these two Carter labeled carburetor rebuild kits include the 60034 style gasket. Jason's pictures comparing the Carter to the Rochester show two differences. Here is the 60034 carter. Red ink shows the areas that are missing from Rochester.
My friend and I are very confused and initially believed that the kits we bought were correct but according to Jason Edge the gaskets those two suppliers include are not for THIS Carter apparently.
Can anyone provide some insight or direction as to who is correct? If Jason is correct then we should be following this pattern:
Intake Manifold --> 60034 gasket --> insulator spacer --> 60034 gasket --> metal shim --> carburetor
Thank you,
ROB
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Thank you Jason and Tony/Ginny for your replies. We found the 60034 gasket through Napa Auto Parts. I just don’t get why the “Carter” labeled kits from those two suppliers wouldn’t include them
Someone just obviously mixed things up when they were putting the kit together. Other than the many gaskets I have seen first hand from the 56 and counting parts cars, is the fact the Rochester listed FelPro gasket says it replaces 147 7371 on the packaging and looking at the Cadillac Master Parts book, that is the original # they list for the Rochester with the Carter having a different #. To me that is a double check confirmation of which is which. Also, just for reference the original Carter gasket was part # 147 7370.
I think I’ll contact Mike’s Carburetor and let them know of the issue with our Carter’s. Great. Thank you for that info Jason. I find that detailed info like this is so valuable.
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