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  #1  
Old 05-17-2017, 08:56 AM
cho's Avatar
cho cho is offline
diesel power
 
Join Date: Dec 2011
Location: Europe
Posts: 933
OM603 n/a compression numbers

hi guys

gonna look one engine to buy paired with transmission
I will do the compression test on it..

so please if anyone knows which numbers I pursuit
(anything above is good)...
... and which number tells me to walk away?

thanks

ChO

.

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w126 500SEC gen II euro, powered by OM617 turbo stolen from 84 300SD 2.88 diff,EGR blinded
next wish/project: w114 coupe OM603 powered
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  #2  
Old 05-17-2017, 09:01 AM
Diesel Preferred
 
Join Date: Oct 2007
Location: Charleston SC
Posts: 2,740
New compression was 29-35 Bar.

Lower limit for used is 18 Bar.

Maximum difference between cylinders is 3 Bar.
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Respectfully,
/s/
M. Dillon
'87 124.193 (300TD) "White Whale", ~392k miles, 3.5l IP fitted
'95 124.131 (E300) "Sapphire", 380k miles
'73 Balboa 20 "Sanctification"
Charleston SC
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  #3  
Old 05-17-2017, 09:02 AM
Diesel Preferred
 
Join Date: Oct 2007
Location: Charleston SC
Posts: 2,740
In my opinion, a better test would be to try and getting it running for a little bit. You can run it for just a minute or less with no coolant and not worry about overheating.
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Respectfully,
/s/
M. Dillon
'87 124.193 (300TD) "White Whale", ~392k miles, 3.5l IP fitted
'95 124.131 (E300) "Sapphire", 380k miles
'73 Balboa 20 "Sanctification"
Charleston SC
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  #4  
Old 05-17-2017, 09:06 AM
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cho cho is offline
diesel power
 
Join Date: Dec 2011
Location: Europe
Posts: 933
.

thanks mate

just mined some manual piece online ...

it specifies 26-32 normal.

I will drive the car,sure,..but test numbers are also needed

cheers

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w126 500SEC gen II euro, powered by OM617 turbo stolen from 84 300SD 2.88 diff,EGR blinded
next wish/project: w114 coupe OM603 powered
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