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850 cylinder block+844 wiseco kit on 750 bottom end?

  • Thread starter Thread starter readymeal
  • Start date Start date
R

readymeal

Guest
Hi there... strange i had to re register...

anyways

I got my hands on an old racing engine... i kept the cylinder block, wiseco high compression pistons, ported cylinder heads.

I got the heads cleaned up and rebuilt but unfortunately the cylinder block coming originally from a 750 (which has been obviously bored out to fit the 844 wiseco kit) is out of specification...around 69.9 to 70mm...and when i put the 2 top rings inside the gap is about 0.4 to 0.6mm...

I believe this is too much...i could be wrong though :)

so i was looking for another set of 750 jugs and bore it out to 69mm...$$$ or i thought about getting a set coming from a 850 still in a decent shape at standard bore 69mm.

First of all. is this set up going to work, 750 bottom end, 850 cylinder block, 844 wiseco high compression pistons, 750 cylinder heads?

Second what would be my next best option?

Thank you.
 
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