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Top 2GNT Technical Turbo/Nitrous Tech topic #108665
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Subject: "Comp test results..... " Previous topic | Next topic
CyexmasterApr-22-11 04:27 PM
Member since Nov 27th 2007
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#108665, "Comp test results..... "




          


well today I decided to check the compression on the engine.
Here are the results from left to right 195-190-195-200 I'm almost at 2000 milese since the rebuild with the 8.8:1 JE's

Should I worry about this mismatch?

Status- Need to do break-in...



Try not to challenge me, I'd rather tie up than lose. Either way you NEVER WIN.... - Me..

  
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Replies to this topic
RE: Comp test results..... , 740 turbo brick, Apr-22-11 08:42 PM, #1
RE: Comp test results..... , Moderatorbullettdsm, Apr-23-11 08:45 AM, #2
      RE: Comp test results..... , Cyexmaster, Apr-23-11 03:38 PM, #3
           RE: Comp test results..... , Slo2g, Apr-24-11 08:53 PM, #4
                RE: Comp test results..... , barza21, Apr-25-11 11:42 AM, #5
                RE: Comp test results..... , 420agreenvilleSC, Apr-25-11 01:41 PM, #6
                     RE: Comp test results..... , Cyexmaster, Apr-26-11 01:13 PM, #7
                RE: Comp test results..... , Moderatorbullettdsm, Apr-26-11 05:55 PM, #8

740 turbo brickApr-22-11 08:42 PM
Member since Jun 09th 2008
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#108666, "RE: Comp test results..... "
In response to Reply # 0



          

Doesnt seem bad to me. 2.5-5% difference in cylinder pressure.


95 Eclipse GS: 10.5:1, Crower 2's and MSII
186 WHP - 150 WTQ
14.697 @ 93.85 MPH......Gone, but not forgotten
99 420A Avenger: Given to my sister
99 GS OZ: Sold
03 Evo 8: Family Car with balls

  
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ModeratorbullettdsmApr-23-11 08:45 AM
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#108667, "RE: Comp test results..... "
In response to Reply # 1

          

Lol, dude, you are all set

Captain Caveman

96 RS Turbo 11.414 @ 119.62 MSNS, Crower 2 NA cams, BW366, 10.5 comp, UDP, 60mm TB, W/A intercooler, 3.55 tranny 567.9whp 430tq
97 RS NA 13.188 @ 103.87 MSnS powered 12.5 comp, Crower 3's and 219.4whp with 175tq
98 RS DD 12.5 comp on stock ECU, LTH, Crower 2's, Koni, GC, Hypercoil, DG hats
99 OZ 5sp Stocker 15.856 @ 85.97
99 GS stocker auto 17.7@77mph!

wiki home page:http://www.2gnt.com/index.php?d=bullettdsm

  
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CyexmasterApr-23-11 03:38 PM
Member since Nov 27th 2007
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#108668, "RE: Comp test results..... "
In response to Reply # 2



          


Well thanxs for the info, just wanted to know becuase I was not sure what comp to expect with the JE's


Hopefully by summer I may have the car with MS and tuned...!

Status- Need to do break-in...



Try not to challenge me, I'd rather tie up than lose. Either way you NEVER WIN.... - Me..

  
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Slo2gApr-24-11 08:53 PM
Member since Feb 10th 2006
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#108669, "RE: Comp test results..... "
In response to Reply # 3

          

Those nbers actually seem high to me for a 8.8:1 motor. Guess you built it tight! Get some boost on that bitch. !

  
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barza21Apr-25-11 11:42 AM
Member since Oct 09th 2006
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#108670, "RE: Comp test results..... "
In response to Reply # 4



          

Originally posted by Slo2g
Those nbers actually seem high to me for a 8.8:1 motor. Guess you built it tight! Get some boost on that bitch. !


I gotta agree with Zac. I am running 8.8:1 JE's also and my numbers are ~165 across all four. Those are great numbers out of a low comp build. Good job!

I wish I had blown it, believe me, I do...

  
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420agreenvilleSCApr-25-11 01:41 PM
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#108671, "RE: Comp test results..... "
In response to Reply # 5



          

Originally posted by barza21
Originally posted by Slo2g Those nbers actually seem high to me for a 8.8:1 motor. Guess you built it tight! Get some boost on that bitch. !
I gotta agree with Zac. I am running 8.8:1 JE's also and my numbers are ~165 across all four. Those are great numbers out of a low comp build. Good job!


i'm 160 across. 8.8:1 .020 over

___________________________________________



http://www.2gnt.com/quote_db.php?id=278

Outside of Corona: "That sucks, peace out..." (jamie walks away)... "Sweeet, what we doin?" -Zac
Tim's garage (prior to motor install): "Im gonna smoke real quick, that way if you fuck up I am already nicotined up" -Tim

  
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CyexmasterApr-26-11 01:13 PM
Member since Nov 27th 2007
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#108672, "RE: Comp test results..... "
In response to Reply # 6



          

Must be cause I had to mill the block a lil because it was not perfectly flat, and the head has been milled twice but just to make sure it's flat nothing crazy. But maybe that's not so bad I guess, this means I should get more power out of the engine so I'm cool.... B)

Status- Need to do break-in...



Try not to challenge me, I'd rather tie up than lose. Either way you NEVER WIN.... - Me..

  
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ModeratorbullettdsmApr-26-11 05:55 PM
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#108673, "RE: Comp test results..... "
In response to Reply # 4

          

Originally posted by Slo2g
Those nbers actually seem high to me for a 8.8:1 motor.

Actually, I didn't notice the comp on that. Hmm, hopefully you've taken a bit off the head (with those numbers)

Captain Caveman

96 RS Turbo 11.414 @ 119.62 MSNS, Crower 2 NA cams, BW366, 10.5 comp, UDP, 60mm TB, W/A intercooler, 3.55 tranny 567.9whp 430tq
97 RS NA 13.188 @ 103.87 MSnS powered 12.5 comp, Crower 3's and 219.4whp with 175tq
98 RS DD 12.5 comp on stock ECU, LTH, Crower 2's, Koni, GC, Hypercoil, DG hats
99 OZ 5sp Stocker 15.856 @ 85.97
99 GS stocker auto 17.7@77mph!

wiki home page:http://www.2gnt.com/index.php?d=bullettdsm

  
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