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450 with 400E head?

  • Thread starter Thread starter MarkRichardsen
  • Start date Start date
M

MarkRichardsen

Guest
I've got a 400E (eight valve twin) with a bad bottom end, and a 450 with a four valve head. I want to put the eight valve head on the 450. Can it be done? anything I should know before attempting it?
 
400 head on 450

400 head on 450

I tried to install a set of 450 cylinders onto my 400, and the bolt patern was different:cry: . The outside two holes on each cylinder lined up but, the inside two did not. The 450 sleeves are so big that they had to move the inside two studs closer to the timing chain slot. With some welding, and drilling on your head, it could be accomplished. The cost however, made it not worth it. I hope I've been able to help!
 
I'm not sure this is the case, but if you're looking for one, I've got a good 450 head.
 
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