I have a fuel filter inline before the fuel pump.looks like your old sending unit was long past needing to be replaced,
Im rather surprised the fuel pump was not damaged by the debris it surely ingested,
with the fuel filter pick-up sock damaged
Yes.Brian, did you know, Edelbrock has a Performer RPM Air-Gap intake manifold for Olds 400-425-455 engines? P/N is 7551.
I also read that Professional Products has a copy.
There are also a couple of Torker intakes on ebay right now. And then there is this one too: https://www.ebay.com/itm/OLDSMOBILE...269948?hash=item2154a8cefc:g:uOkAAOxyItlSN9fQ
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A friend Bob not too far away had like 10 or 12 of those 3-bbl Holleys.http://garage.grumpysperformance.com/index.php?threads/the-holley-three-barrel-carb.3037/
its too bad the holley three barrel carbs no longer available