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Main bearings
https://www.slantsix.org/forum/viewtopic.php?t=8638
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Author:  Rob Simmons [ Sun Mar 07, 2004 5:36 pm ]
Post subject:  Main bearings

I went to install the main bearings and crank today and found that the #3 bearing won't fit. The width of the main cap is 1 1/8" while the inside width of the bearing is only 7/8". The other three bearings (non thrust) fit fine. Could this bearing set be for a later cast crank block or something? Has anyone else run into this? Thanks.
Rob

Author:  steponmebbbboom [ Sun Mar 07, 2004 8:00 pm ]
Post subject: 

I ran into this before, but not on a Slant. It was on an Iron Duke 2.5L 4cyl out of a Citation. Turns out I had selected a crank out of a pile of parts at high school that had a much larger crank journal diameter than my block allowed for. Weird.

My guess is your #3 bearing was packaged incorrectly. You can probably return it for the correct one.

Author:  Craig [ Sun Mar 07, 2004 8:26 pm ]
Post subject: 

Sounds like you have the cast crank thrust bearing.
You might want to check the other 3 bearings too, the narrow cast crank bearings may fit but are not as wide as the forged crank bearings.

Author:  Rob Simmons [ Tue Mar 09, 2004 1:41 pm ]
Post subject: 

They were indeed for the cast crank engine. They swapped me for the right ones this morning.

The kids and I will start bolting this thing together tonight.

Author:  Craig [ Tue Mar 09, 2004 8:47 pm ]
Post subject: 

Do you mean all 4 bearings were for the cast crank enigne as I suspected?

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