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82Stepside
 Post subject: Head interchange
PostPosted: Wed Mar 09, 2011 5:32 pm 
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Location: KC, MO
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Will a head off an 80's engine (hydraulic cam) work on an older block, say from '66?
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Fopar
 Post subject:
PostPosted: Wed Mar 09, 2011 5:54 pm 
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Location: Eugene, Oregon
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My best guess is if you change the rocker arms, yes.

Richard

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Joshie225
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PostPosted: Wed Mar 09, 2011 5:58 pm 
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Supercharged
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Location: Portland-ish
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Yes, it will work. You'll need to use the mechanical valve gear from the solid lifter engine, but with the rear-most hold down bolt from the late head. The '81+ valve cover will need to stay with the head.

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82Stepside
 Post subject:
PostPosted: Wed Mar 09, 2011 6:36 pm 
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Would one be better than the other?
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Joshie225
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PostPosted: Wed Mar 09, 2011 6:59 pm 
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The later heads have induction hardened exhaust valve seats which are more wear resistant. The '67 and newer heads have an improved combustion chamber.
http://www.slantsix.org/articles/combus ... hamber.htm

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