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Top 2GNT Technical Turbo/Nitrous Tech topic #70367
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Subject: "low comp - compression test" Previous topic | Next topic
xtrickedeclipsexMay-04-04 08:54 PM
Member since Oct 13th 2003
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#70367, "low comp - compression test"


          

I just wanted to make sure this is cool...

I have Low comp je 8:8 pistons, total seal rings.
cyn 1- 165
cyn 2- 165
cyn 3- 155 - 160
cyn 4 -165

Does that sound about right for 8:8 pistions?

  
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Replies to this topic
RE: low comp - compression test, grain, May-05-04 02:57 AM, #1
RE: low comp - compression test, RxR_Eclipse, May-05-04 03:57 AM, #2
      RE: low comp - compression test, siueclipse, May-05-04 05:51 AM, #3
RE: low comp - compression test, RyaN95i4, May-05-04 06:32 AM, #4
RE: low comp - compression test, MR BLUNT 2gnt, May-05-04 01:55 PM, #5
      RE: low comp - compression test, TeamXtremeRS, May-05-04 02:05 PM, #6
           RE: low comp - compression test, xtrickedeclipsex, May-05-04 09:48 PM, #7

grainMay-05-04 02:57 AM
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#70369, "RE: low comp - compression test"
In response to Reply # 0

          

i have cp 8.8:1 compression pistons, and after 200 miles i had 185-190 comp numbers

  
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RxR_EclipseMay-05-04 03:57 AM
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#70371, "RE: low comp - compression test"
In response to Reply # 1

          

Those are the numbers I have with forged pistons (8.8) and a TTI racing head gasket. My car is a bit sluggish off the start emoji

Kevin
The old:


The new:

  
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siueclipseMay-05-04 05:51 AM
Member since Nov 28th 2002
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#70373, "RE: low comp - compression test"
In response to Reply # 2

          

your numbers are fine

mine are

165
170
165
165



  
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RyaN95i4May-05-04 06:32 AM
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#70378, "RE: low comp - compression test"
In response to Reply # 0



          

sounds about right.

i have ~170-175 w/ the same pistons and JE rings.

95 Avenger
ATX->MTX Swap
Holset HX40 @ 26 psi

  
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MR BLUNT 2gntMay-05-04 01:55 PM
Member since Mar 20th 2002
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#70398, "RE: low comp - compression test"
In response to Reply # 4



          

i just checked a week ago, i was at 190 across the board.


400whp or bust.

  
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TeamXtremeRSMay-05-04 02:05 PM
Member since May 20th 2003
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#70400, "RE: low comp - compression test"
In response to Reply # 5

          

I think those are a little on the low side..enough to be worried, prob not..I get around 185-190 on all 4..even right after about 100 miles on the motor..Since you were using total seal rings, I would expect slightly higher numbers than what you got. Was this test done FULLY WARMED UP?? If not,then that is just fine for your numbers..


13.5 @108 MPH-2.2 60ft(stupid FWD!)
S16G @ 18 PSI/FMIC/Running on MegaSquirt II (Now with sequential
fuel injection)
My webpage: http://eclipsed4evr.home.comcast.net
-1998 Mitsubishi Eclipse RS-T- "Toy"
-1992 Plymouth Laser Turbo AWD(SOLD)
-2000 Honda CR-V(daily)

  
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xtrickedeclipsexMay-05-04 09:48 PM
Member since Oct 13th 2003
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#70429, "RE: low comp - compression test"
In response to Reply # 6
 May-05-04 09:49 PM by xtrickedeclipsex

          

i would say fully warmed up is around 200-205 deg right? ....
The motor was about 170 deg when test was done - and it was about 68 deg out side...

i thinking once i do it at 200 deg it would read diffrent

  
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