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compression?

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Old Apr 16, 2009 | 08:20 PM
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itrawesome
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Default compression?
what is a healthy usdm itr compression reading?
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Old Apr 17, 2009 | 12:03 PM
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Default Re: compression?
From the manual:

Nominal 270 psi
Minimum 135 psi
Maximum variation 28 psi
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Old Apr 17, 2009 | 12:14 PM
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Default Re: compression?
just if you want to know i have 220 on all 4, 2001 R
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Old Apr 17, 2009 | 07:43 PM
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Default Re: compression?
wow i'm no where near that
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Old Apr 19, 2009 | 12:58 PM
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Default Re: compression?
what are your numbers?
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Old Apr 19, 2009 | 06:28 PM
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Default Re: compression?
with closed throttle since i forgot to open them i only hit 160's
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Old Apr 19, 2009 | 06:41 PM
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Default Re: compression?
Do the testing right or don't bother.
if the numbers seem to be off, get another guage. they are not all the same.
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Old Apr 19, 2009 | 06:51 PM
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Default Re: compression?
by this they mean run the car for awhile. come home, shut it off, unplug the dizzy and do the test with the throttle wide while you crank
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Old Apr 20, 2009 | 04:38 PM
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Default Re: compression?
yes i'm planning on doing another test!! when i have time
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Old Apr 22, 2009 | 02:01 PM
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Default Re: compression?
i just build my motor with usdm itr pistons with gs-r head shaved and flat top valves
1-240
2-241
3-240
4-240
Lol i dont know why
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anybody got a pic of an itr with prelude sh wheels??




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