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Joined: May 2005
Posts: 81
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: May 2005
Posts: 81 |
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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Joined: Dec 2001
Posts: 10,379 Likes: 1
Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
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 Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Joined: May 2005
Posts: 81
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: May 2005
Posts: 81 |
Thanks Ray! Is the first measurement the journal diameter? Cheers Jimmy
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Joined: Dec 2001
Posts: 10,379 Likes: 1
Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
Yes, I should have done a better job of labeling.
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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