F Engine head interchangeability

Joined
Apr 20, 2005
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46
Hey guys,
It is getting difficult to identify a 105 F Engine Head. By reading it seems that the compresion is 6.8 to 1 compared to the 7.5 to 1 of the later engines.

Two questions: How I can identify a 105 head, and the other one, can I use a later model F engine head on my 105?

Jeff Zepp mentioned that the only issue would be the manifold, but I am not sure.

TIA

Peter Buschbeck
 

Cruiser_Nerd

That 25 Guy.
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Higganum.
Peter, did you contact cruiser_guy on his? https://forum.ih8mud.com/showthread.php?t=42693

I can't find the picture but there is an F 105 cast into the head, I think it's on the top in the area where the air cleaner bolts to the head. Not sure on the compatibility, I've never seen one. :frown:
 

FJnotCJ

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Sep 16, 2004
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Head gasket indicates a 135 might fit, manifold looks 120/135 ish...I don't think I have ever seen a 105 block, what makes it different from a 135?

I like the relocated oil filter, where is the voltage regulator though?
298bre2.jpg
 

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