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is it true that if u switch a 20r head to a 22r u get more compression?

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Old Nov 13, 2007 | 05:58 PM
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kauaiboy89's Avatar
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From: Wailua, Kaua'i
is it true that if u switch a 20r head to a 22r u get more compression?

i had this guy tell me that if u put a 20r head on a 22r u get better/more compression which = more power...is this true?...and wat motor do u guys prefer, 22r or re???
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Old Nov 13, 2007 | 06:07 PM
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From: phoenix az
yes will work with a little bit of work to the 22r.
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Old Nov 13, 2007 | 06:08 PM
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From: Sweet Home, OR
On a trail rig I'll take a 22r

For a DD i'll take a 22re
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Old Nov 13, 2007 | 06:15 PM
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From: Wailua, Kaua'i
so does this head swap give me more hp and torque? and does it create any bad after effects to other parts in the motor?
and y is the 22r better for offfroading?
does that mean i shouldnt offroad with a 22re?
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Old Nov 13, 2007 | 06:21 PM
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From: Sweet Home, OR
"and y is the 22r better for offfroading?
does that mean i shouldnt offroad with a 22re?"

NO, WRONG! thats not at all what I wanted you to think. The 22re is actually better than the 22r in some situations when you are on steep inclines. I would just prefer a 22r because I think they are more resilient, as well as pure personal preference. But you can absolutely take a 22re offroading.

As for performance increase, the 20r head has much better flow. giving you more power. The ideal setup is 20r head and 22r early (<1984) block.
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Old Nov 13, 2007 | 06:33 PM
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From: Wailua, Kaua'i
is it kuz the 22r is carbed and it will bog out on steep inclines and since the 22re is injected u dont need to worry about it? and will it take sum fab work or machining to throw the 20r head on the 1984 22r block?
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Old Nov 15, 2007 | 10:47 PM
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From: Lake County, CA/Sacramento
it should bolt right up. I dunno about the gaskets, though.
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Old Nov 25, 2007 | 09:59 PM
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From: Wenatchee WA
personally i think the 22re is better off road than the 22r and you dont have to worry about stalling on odd angles and such. but either way both are great motors.
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Old Nov 26, 2007 | 05:24 AM
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How much difference is there really, between the older 22R's and newer 22RE's like in my 89 Runner?
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