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#1
05-09-2024, 05:29 PM
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OK, so a no-go on the later adapter. Is there a paper gasket between the block and the bypass? I show a GM gasket #5573980. When I google it some show a flat paper gasket and some show a square oil filter type gasket. He just bought the car and is trying to sort a few things out and I'm not familiar with the older blocks. The numbers you listed are to eliminate the original bypass adapter? Sorry for the dumb questions.
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70 Chevelle Vert L34 M21 28-A 791 70 Chevelle Cpe LS6 M40 14-14 756 70 Chevelle Cpe L?? M?? 926-99616 755 69 Chevelle Cpe L78 M21 71-B 756 70 Chevelle Cpe L34 M20 48-48 796 
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#2
05-09-2024, 11:26 PM
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The K157 AC had you put the bypass valve under the new casting. Never had the Wix one, but the pictures of it look nearly the same. I never knew they had a paper gasket under the bypass valve when I worked in gas station changing oil. Mostly we never removed the bypass piece. We had a K-D tool made especially for digging the old square cut o-ring out. There were a few times when the previous filter change guy didn't remove the old gasket and we had to remove two (or more) of them.
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...................... John Brown This isn't rocket surgery.....
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dykstra (05-10-2024) | ||
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