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#1
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Sorry to trouble you guys for simple information, but I am away from my manuals and having the car compression-tested right after work. Do you know what the spec. PSI is for the M102.985? Thanks! Andrew Seidel.
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86 560SEC 85 500SEC Lorinser 83 300D Turbo 75 240D |
#2
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The 1985/86 engines had 8/1 compression so the readings should be around 125/135p@sqin. The 1987 & later engines were 9/1 compression. That is one reason the hp ratings went to 130 in 1987
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MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator |
#3
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Thanks! That's fast service! My 560SEC was 90 to 97% of original spec. @ 200k. Cheers, Andrew Seidel.
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86 560SEC 85 500SEC Lorinser 83 300D Turbo 75 240D |
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