Volvo RWD 140-160 Forum

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B20? 140-160

posted by  walrus3 on  Thu Dec 9 15:32 CST 2010
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last visit: Mon Dec 2 14:20 CST 2013
[RELATED]

Like Messina says, good idea to check that the valves are closing all the way!
If it is a B20E do NOT get the head shaved!! It is high enough compression already!
I believe the 1800list website has pix of head configs.
Briefly it sorta centers around the center headbolt next to the manifold flange.
(This applies to FI heads only.)
If it has dips on both sides of the center headbolt, it is an E head.
If it has a dip on only ONE side of the center headbolt it is an F head '73 or earlier.
If it doesn't have any dips on either side of the center headbolt it is a 74/75 F head
which have more meat for more radical porting (they tell me).






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New B20? [140-160]
posted by  rkent47 subscriber  on Thu Dec 9 09:10 CST 2010 >
  • New B20? [140-160]
    posted by  walrus3 subscriber  on Thu Dec 9 15:32 CST 2010 >
    • New B20? [140-160]
      posted by  rkent47 subscriber  on Fri Dec 10 04:44 CST 2010 >


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