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10-10-2009, 08:08 AM
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#1 (permalink) | |||||
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Registered User
Join Date: Jan 2009
Location: Shreveport, Louisiana
Posts: 29
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why 20r on 22r
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10-10-2009, 08:19 AM
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#2 (permalink) |
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Registered User
Join Date: Sep 2009
Location: Lynnwood, WA
Posts: 1,623
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I would like to know also.
Subscribbied 
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10-10-2009, 10:39 AM
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#3 (permalink) |
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Registered User
Join Date: Oct 2009
Posts: 4
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smaller head = higher compression which means more power. i think it might boost your fuel economy a little but not sure
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10-10-2009, 10:47 AM
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#4 (permalink) |
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Registered User
Join Date: Sep 2005
Location: Binghamton, NY
Posts: 1,829
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Two main reasons why people do it. The first reason is that the intake passageway on the 20R head is a straight shot to the valve, the 22R is curved. The second reason is what the other member stated, small combustion chamber which increased compression ratio. Many 2WD guys use this head for side-draft carb applications.
James
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