Volvo RWD 140-160 Forum

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B20 block identification 140-160

posted by Phil S. on Tue Jun 21 07:45 CST 2005
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last visit: Fri Oct 24 13:18 CST 2014

[RELATED]

John,

Strictly going from pictures of several projects, the teardrop marking on the main bearing caps is offset toward the distributor side of the block on 8-bolt motors -- at least it is on the one 8-bolt build-up I have pics of, so I don't know if that's universally true (another one is in process, but it's at the machine shop right now). I've never seen that mark not centered on 6-bolt motors.

I'm not aware of having encountered any metric fasteners on the any of the blocks.

Wall thickness on the 8-bolt in the shop would sonic test at around .210" average, if the bore were stock. I have no idea if this is a '74 or a '75, or how to tell them apart. What I've heard is that all the 8-bolt blocks have more meat in the walls, not just the '75, but I have not seen any hard evidence of that either.

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B20 block identification [140-160]
posted by jparker3 on Tue Jun 21 06:25 CST 2005 >

B20 block identification [140-160]
posted by Phil S. on Tue Jun 21 07:45 CST 2005 > V
- B20 block identification [140-160]
  posted by someone claiming to be Tremmelle on Sun Jun 26 01:23 CST 2005 > V

B20 block identification [140-160]
posted by Jrobby on Tue Jun 21 08:15 CST 2005 > V
- B20 block identification [140-160]
  posted by jparker3 on Tue Jun 21 09:18 CST 2005 > V
  - B20 block identification [140-160]
    posted by Jrobby on Tue Jun 21 10:27 CST 2005 > V

B20 block identification [140-160]
posted by JohnMc on Tue Jun 21 09:55 CST 2005 > V
- B20 block identification [140-160]
  posted by Phil S. on Tue Jun 21 10:38 CST 2005 > V
  - B20 block identification [140-160]
    posted by JohnMc on Wed Jun 22 01:32 CST 2005 > V
    - B20 block identification [140-160]
      posted by JohnMc on Thu Jun 23 11:42 CST 2005 > V
      - B20 block identification [140-160]
        posted by jparker3 on Sat Jun 25 03:25 CST 2005 > V
        
        B20 block identification [140-160]
        posted by JohnMc on Sat Jun 25 07:37 CST 2005 > V
      - B20 block identification [140-160]
        posted by Bennie on Sat Jun 25 06:25 CST 2005 > V

B20 block identification [140-160]
posted by fidel on Tue Jun 21 11:22 CST 2005 > V

B20 block identification [140-160]
posted by walrus3 subscriber on Tue Jun 21 12:49 CST 2005 > V

B20 block identification [140-160]
posted by jparker3 on Wed Jun 22 12:57 CST 2005 > V
- B20 block identification [140-160]
  posted by Phil S. on Wed Jun 22 13:07 CST 2005 > V

B20 block identification [140-160]
posted by Bennie on Thu Jun 23 07:06 CST 2005 > V
- B20 block identification [140-160]
  posted by Phil S. on Thu Jun 23 08:32 CST 2005 > V
  - B20 block identification [140-160]
    posted by Bennie on Thu Jun 23 09:27 CST 2005 > V
    - B20 block identification [140-160]
      posted by Phil S. on Thu Jun 23 09:31 CST 2005 > V
      - B20 block identification [140-160]
        posted by jparker3 on Thu Jun 23 11:18 CST 2005 > V
        
        B20 block identification [140-160]
        posted by Phil S. on Thu Jun 23 12:06 CST 2005 > V
        
        B20 block identification [140-160]
        posted by someone claiming to be shayne on Thu Jun 23 12:51 CST 2005 > V
        
        B20 block identification [140-160]
        posted by jparker3 on Fri Jun 24 04:54 CST 2005 > V
        
        B20 block identification [140-160]
        posted by someone claiming to be shayne on Fri Jun 24 10:20 CST 2005 > V
        
        B20 block identification [140-160]
        posted by jparker3 on Sat Jun 25 03:39 CST 2005 > V
        
        B20 block identification [140-160]
        posted by CyaLater on Sat Jun 25 18:56 CST 2005 > V
        
        B20 block identification [140-160]
        posted by jparker3 on Sun Jun 26 13:59 CST 2005 > V
        
        B20 block identification [140-160]
        posted by CyaLater on Sun Jun 26 16:31 CST 2005 > V
      - B20 block identification [140-160]
        posted by someone claiming to be Ben Flierman on Thu Jun 23 20:11 CST 2005 > V
        
        Mystery Bridge. [140-160]
        posted by CyaLater on Thu Jun 23 23:28 CST 2005 > V

B20 block identification [140-160]
posted by Gary L subscriber on Fri Jun 24 04:48 CST 2005 > V
- B20 block identification [140-160]
  posted by Jrobby on Fri Jun 24 07:10 CST 2005 > V
  - B20 block identification [140-160]
    posted by jparker3 on Sat Jun 25 03:58 CST 2005 > V
- I have 2 blocks one with bridges and one without as well. [140-160]
  posted by someone claiming to be hudson on Fri Jun 24 11:19 CST 2005 > V

B20 block identification [140-160]
posted by someone claiming to be Tremmelle on Sat Jun 25 02:50 CST 2005 > V

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Volvo RWD 140-160 Forum

B20 block identification 140-160