1925 chev main bearing size?

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#57070 - 12/22/05 01:16 PM 1925 chev main bearing size?
Jimmy B Shade Tree Mechanic Registered: 05/10/05 Posts: 81 Loc: Tweed Valley, NSW, Australia	G'day, does anyone have any specs on the '25 Chev Bottom end, main & rod journals? also is there anyone making modern insert bearings for this model? Cheers Jimmy
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#57071 - 12/22/05 03:51 PM Re: 1925 chev main bearing size?
AntiqueMechanic Registered: 12/02/01 Posts: 7721 Loc: Vancouver, WA	Hi Jimmy B, Front: 1 3/8 X 2 5/16, Center, 1 11/16 X 1 11/16, Rear: 1 3/4 X 3 Center bearing is thrust bearing. Rods: 1 1/2 X 1 7/8 I don't know of any after market solution for the crank bearings. The shells may be removed and re pored. Then it needs to be alined bored. If equipped, I recommend removing the bearings and pore the mains directly in the block. It still needs to be aline bored. If this is a rebuild, you may consider replacing the pistons with modern pistons, and modifying the rods. Full details are available under "School is in Session" on this forum. _________________________ RAY Member Chat Group - Non-Geographical Region Chevradioman http://www.vccacolumbiariverregion.org/ If I had known that growing old would be this much fun---I'd have done it sooner!
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#57072 - 12/22/05 07:35 PM Re: 1925 chev main bearing size?
Jimmy B Shade Tree Mechanic Registered: 05/10/05 Posts: 81 Loc: Tweed Valley, NSW, Australia	Thanks Ray! Is the first measurement the journal diameter? Cheers Jimmy
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#57073 - 12/22/05 08:14 PM Re: 1925 chev main bearing size?
AntiqueMechanic Registered: 12/02/01 Posts: 7721 Loc: Vancouver, WA	Yes, I should have done a better job of labeling. _________________________ RAY Member Chat Group - Non-Geographical Region Chevradioman http://www.vccacolumbiariverregion.org/ If I had known that growing old would be this much fun---I'd have done it sooner!
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