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H22 in F22

  #1  
Old 05-26-2007, 04:38 PM
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Default H22 in F22

does anybody know if H22 pistons will fit in a F22 block. are the sizes different? if so, how big do i have to bore out to?
 
  #2  
Old 05-27-2007, 12:30 AM
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Default RE: H22 in F22

Which F22? F22A? F22B? Plus you'll have more than just a bore size issue. The stroke lengths are different on f22's and h22's, so the pistons are designed a bit diferent where the wrist pins connect. Even if this isn't an issue for you, there is also the issue of the shafts and wrist pins of your f22 crank matching up with the h22 pistons.

You can go to www.ariaspistons.com and look at some f22a and h22a pistons, as well as order custom pistons.
 
  #3  
Old 05-27-2007, 11:51 AM
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Default RE: H22 in F22

This will help you - http://www.zealautowerks.com/hfseries.html

With just the pistons you're looking at over 11:1 compression and obviously boring out to 87mm. No need to worry about the rods or pins fitting, F's and H's both use .866 or 22mm pins, so do K engines.
 
  #4  
Old 05-30-2007, 02:10 PM
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Default RE: H22 in F22

so all im looking at for work to do to theblock is to bore it out to 87mm...and the higher compression pistons??? everything else fits right in???
 
  #5  
Old 05-30-2007, 05:33 PM
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Default RE: H22 in F22

Yea all you'll have to do is bore to 87mm but that's 2mm over your stock bore. Which is really pushing it for cylinder wall thickness. I know there's 85 to 86mm bore pistons out there for the F22.
 
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