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Joined: Dec 2007
Posts: 52
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Dec 2007
Posts: 52 |
which main bearing half is top? my thoughts are the one with the most grooves is the top that fits into the block. this one has an X groove in it. the other bearing half only has a groove cut angling across it. tried to post picture but couldn't figure out how to put it in this box.
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Joined: Jan 2002
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ChatMaster - 25,000
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ChatMaster - 25,000
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I agree with your thoughts.
Gene Schneider
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Joined: May 2012
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ChatMaster - 4,000
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oldchevy... Here is your picture per your post above: ![[Linked Image from vccachat.org]](https://vccachat.org/gallery/47/medium/3258.jpg)
AACA - VCCA - Stovebolt - ChevyTalk
Love the Antique Chevrolet's from 1928-1932
The Beauty, Simplicity, History, and the Stories they Tell
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Joined: May 2012
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Based on what I have in my 1929, I have to agree This is the bottom half of may FRONT main bearing ![[Linked Image from lh3.googleusercontent.com]](https://lh3.googleusercontent.com/-vq8a6mUlQ4E/Unl-RP9OBMI/AAAAAAAALWY/msRfo1ZczDc/w872-h654-no/IMG_20131103_195650.jpg) and Bottom Half of Rear Main Bearing, Fuzz was removed :) ![[Linked Image from lh5.googleusercontent.com]](https://lh5.googleusercontent.com/-Rd93MUhzN-M/UnbbCCCHORI/AAAAAAAALVY/SzoTXxpHC0Y/w872-h654-no/IMG_20131103_163333.jpg) Here is a shot of the Top half, you can see the 2 Grooves on the right side of the bearing ![[Linked Image from lh5.googleusercontent.com]](https://lh5.googleusercontent.com/-HJuMXbpfff0/Unl-MvoQR8I/AAAAAAAALV8/GdqWgruwX60/w872-h654-no/IMG_20131103_191723.jpg)
AACA - VCCA - Stovebolt - ChevyTalk
Love the Antique Chevrolet's from 1928-1932
The Beauty, Simplicity, History, and the Stories they Tell
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Joined: Dec 2007
Posts: 52
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Dec 2007
Posts: 52 |
Thanks for putting my picture where it needed to be, I coulden't get it to work for me
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Joined: May 2012
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ChatMaster - 4,000
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not a problem
hopefully it helps
AACA - VCCA - Stovebolt - ChevyTalk
Love the Antique Chevrolet's from 1928-1932
The Beauty, Simplicity, History, and the Stories they Tell
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Joined: Oct 2011
Posts: 103
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Oct 2011
Posts: 103 |
I just started working on mine and it is assembled with the double groove on the bottom.
Do you think I should swap them around ????
Larry.
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Joined: Dec 2007
Posts: 52
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Dec 2007
Posts: 52 |
You may want to look close at your bearings I'm learning more as I go. My front bearing, the dow pin holes are different sizes, and so are the pins. The pin in the block is larger than the one in the cap.
The center main has an extra small oil hole on the side, the bearing has a hole that matches. So I think there is only one way that the bearings should go, that is with the X groove in the block and the single groove in the cap. I will try to post pictures of the small oil hole on the center main.
I can't the image to show up in this post so I'm gonna put it in members photos.
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Joined: May 2012
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Here are the picts from oldchevy30 ![[Linked Image from vccachat.org]](https://vccachat.org/gallery/47/full/3270.jpg) ![[Linked Image from vccachat.org]](https://vccachat.org/gallery/47/full/3271.jpg)
AACA - VCCA - Stovebolt - ChevyTalk
Love the Antique Chevrolet's from 1928-1932
The Beauty, Simplicity, History, and the Stories they Tell
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Joined: Oct 2011
Posts: 103
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Oct 2011
Posts: 103 |
You may want to look close at your bearings I'm learning more as I go. My front bearing, the dow pin holes are different sizes, and so are the pins. The pin in the block is larger than the one in the cap.
The center main has an extra small oil hole on the side, the bearing has a hole that matches. So I think there is only one way that the bearings should go, that is with the X groove in the block and the single groove in the cap. I will try to post pictures of the small oil hole on the center main.
I can't the image to show up in this post so I'm gonna put it in members photos. Is the center main the only main that has that extra small hole ??? I assume that is how the bearing is lubed. If the other 2 mains do not have this hole how are they lubed ??? As I mentioned earlier my center bearing is installed wrong I believe. I wonder if I can drop the crank enough to tap that insert around to remove it ??? I don't want to remove the crank at this time. Thanks, Larry.
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Joined: Dec 2001
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Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
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You will have to drop the crank down a goodly bit as the locating stud on the bearing must have room to rotate.  
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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