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b18b head on b20 bottom end, better then b20 head?

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Old Sep 13, 2005 | 06:30 PM
  #11  
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Default Re: b18b head on b20 bottom end, better then b20 head?

i heard the head that comes on the b20 don't flow very well. and that is why a lot of people that do the b20 swap either put a 1.6 head or a 1.8 head
Old Sep 14, 2005 | 10:46 AM
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Default Re: b18b head on b20 bottom end, better then b20 head?

Originally Posted by HondaCRXsiHatch
i heard the head that comes on the b20 don't flow very well. and that is why a lot of people that do the b20 swap either put a 1.6 head or a 1.8 head
I thought they did it cause they wanted the power of vtec.
Old Sep 14, 2005 | 04:40 PM
  #13  
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Default Re: b18b head on b20 bottom end, better then b20 head?

well that was also a plus.
Old Sep 14, 2005 | 05:12 PM
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Default Re: b18b head on b20 bottom end, better then b20 head?

B20s suck who cares
Old Sep 14, 2005 | 06:53 PM
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Default Re: b18b head on b20 bottom end, better then b20 head?

USDM b20 heads are the same as USDM LS heads.
JDM B20 heads, for the most part, are the same as USDM LS heads
RARE JDM B20 Heads (casting # P8R) are different. chambers are 84mm, intake valves are 33m (same as Bseries Vtec), and i believe the ports are shaped a bit more like a vtec head.
Old Sep 14, 2005 | 06:55 PM
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Default Re: b18b head on b20 bottom end, better then b20 head?

Originally Posted by sucka306
USDM b20 heads are the same as USDM LS heads.
JDM B20 heads, for the most part, are the same as USDM LS heads
RARE JDM B20 Heads (casting # P8R) are different. chambers are 84mm, intake valves are 33m (same as Bseries Vtec), and i believe the ports are shaped a bit more like a vtec head.
cool, mines the P8R
Old Sep 14, 2005 | 06:57 PM
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Default Re: b18b head on b20 bottom end, better then b20 head?

Originally Posted by sucka306
USDM b20 heads are the same as USDM LS heads.
JDM B20 heads, for the most part, are the same as USDM LS heads
RARE JDM B20 Heads (casting # P8R) are different. chambers are 84mm, intake valves are 33m (same as Bseries Vtec), and i believe the ports are shaped a bit more like a vtec head.
you tell 'em fran!
Old Jun 30, 2008 | 07:41 AM
  #18  
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Default Re: b18b head on b20 bottom end, better then b20 head?

why not just go with a p8r? basically a vtak head without vtak. just you gotta look hard for to find one
Old Jun 30, 2008 | 08:27 AM
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Default Re: b18b head on b20 bottom end, better then b20 head?

Originally Posted by juuuuicy
why not just go with a p8r? basically a vtak head without vtak. just you gotta look hard for to find one
dude, are you serious? almost 3 year old thread? what was the point?
Old Jul 1, 2008 | 07:42 AM
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Default Re: b18b head on b20 bottom end, better then b20 head?

well im curious myself because i have a high compression b20b with a p75 head ...? wtf p8r?



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