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Top 2GNT Technical Turbo/Nitrous Tech topic #10030
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Subject: "Update on my car..." Previous topic | Next topic
TeamJeff_99gsNov-23-01 12:25 PM
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#10030, "Update on my car..."




          

Well I was finally able to do the compression test on my car...

The results: 210 210 210 210


Which is odd, because I tested last month and got 205 in 2 cylinders, but I guess 5psi isn't a big deal.

My spark plugs looked horrible. They were covered in black soot... fuel. Swapped for new plugs and the car is feeling great again. MAn I'm glad it was just a scare...I can't afford to rebuild the engine right now.

Just thought I would share.

  

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Replies to this topic
RE: Update on my car..., Kiku, Nov-23-01 12:31 PM, #1
RE: Update on my car..., Sabot, Nov-23-01 12:32 PM, #2
RE: Update on my car..., TeamJeff_99gs, Nov-23-01 02:15 PM, #3
      RE: Update on my car..., VendorHRC, Nov-23-01 04:57 PM, #4
           RE: Update on my car..., TeamJeff_99gs, Nov-24-01 04:11 AM, #5
                RE: Update on my car..., toykilla, Nov-24-01 04:22 AM, #6
                RE: Update on my car..., ModeratorCorbin, Nov-24-01 07:39 AM, #7

KikuNov-23-01 12:31 PM
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#10031, "RE: Update on my car..."
In response to Reply # 0




          

what compression ratio do youhave? 10:1??

_________________
Vinnie Lima
vlima@csc.com
AIM: Kiku888
1997 Chrysler Sebring "Silver XTC"
I4 420a w/ HRC Stage 2.45 w/ FMIC
14.7@97 mph@6psi
Proud member of the
ASOG BoOsT JuNkIe Crew

  

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SabotNov-23-01 12:32 PM
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#10032, "RE: Update on my car..."
In response to Reply # 0


          

Glad to here eveything is good bro.

  

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TeamJeff_99gsNov-23-01 02:15 PM
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#10033, "RE: Update on my car..."
In response to Reply # 2




          

Stock internals, so stock CR.

  

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VendorHRCNov-23-01 04:57 PM
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#10034, "RE: Update on my car..."
In response to Reply # 3




          

Jeff, those numbers actually seem a bit high. I would maybe take a look at cam timing, or try another compression gauge.

In any case, the engine should be healthy with numbers that consistent.

Boost it!
Bill

Bill Hahn Jr.
98 RS Turbo: 10.87 @ 136 MPH
HRC Stage V with N20
Nation's Fastest Street FWD 2G DSM
www.turbosystem.com

  

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TeamJeff_99gsNov-24-01 04:11 AM
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#10035, "RE: Update on my car..."
In response to Reply # 4




          

The tests that I have done in the past have always yielded 210.

When I did the test last spring before installing the turbo, I used a tester that has been known to be very consistent. It read 210 across the board.

I've also tested about 4 or 5 times since then, and have always come up with 210 in at least 2 cylinders. The last time I tested I got 210 in #1 and #4, and 205 in #2 and #3. Maybe I have some buildup on the piston tops.

I use the method that the Rochester DSM members taught me, which seems to be the standard. (Its pretty hard to mess up a compression test).

What numbers are "normal" for the test if 210 is too high?



  

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toykillaNov-24-01 04:22 AM
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#10036, "RE: Update on my car..."
In response to Reply # 5




          

I got a 165 155 155 155 cylinders 1-4 in that order and i figured mine were too low but with a turbo I want lowered compression so didnt worry about it. =) I also experience a MASSIVE amount of blow-by...i think im just going to plug that crankcase breather up so oil cant escape that way

Robert Parkhurst
toykilla@comcast.net

  

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ModeratorCorbinNov-24-01 07:39 AM
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#10037, "RE: Update on my car..."
In response to Reply # 5


          

210 psi across the board is the sign of a healthy engine. Be happy, many people would love to have those numbers.

BTW: Those are the same numbers that I get.


Corbin

'95 ESI-T
HRC+FMIC+ETC...


Corbin
'97 GSX dressed like a '95 ESi

  

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