Unknown Motor and Q Jet


New member
May 17, 2020
Hello everyone. I am trying to find out what kind of motor I have. I have installed this motor in my 67 Pontiac Lemans.
The block numbers are 5549643A. Internet says it is a 1979 - 1980 350 V8 - H/O similar to "2" Block used for Hurst/Olds only.
I can not find the right parts for this motor. I bought a 1986 starter for it and I bought a 1974 fuel pump for it which was slightly different but it was a two line pump and not a 3 line pump that auto Zone tried selling me. And now I need valve cover gaskets for the motor. Which they cannot find.
Now my Quadrajet numbers are 17053309 and internet say it does not exist.... O woe is me. Anybody know what's going on???

Olds 307 and 403

Active member
Oct 4, 2018
Melville, Saskatchewan
The number can't be right.
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