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#1
10-01-2018, 01:58 PM
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Om617 valves? Again yawn but!
Ok so I have a motor in a sedan that was sat for years
I adjusted the valves as they were all tight I've driven it maybe 300 miles it's now smokey uneven but when driving seems to go ok And appears to only smokes at idle I swapped out some injectors which made it a bit better but how often after not being adjusted should I re adjust the valves? I have read that this condition could be knocking off the carbon so they will need adjusting again allready but... should I drive it hard for more miles first or add anything to fuel or oil? Can I fit new stem seals without pulling it to pieces? Thanks 
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#2
10-01-2018, 02:01 PM
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If it helps here's some more info
79 n/a runs ok with occasional miss was smoking before adjustment but I put that down to being sat for maybe 10 years plus bad valve adjustment etc Diesel purge smooths it out and helps the smoke Would marvel oil help? Just looking to free up any rings and clear out the carbon
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#3
10-01-2018, 02:03 PM
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Oh and it's breathing out the oil cap but seems reliable and ok when driving miles say 260 compression tests were acceptable
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#4
10-01-2018, 02:48 PM
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Diesel discussion
You might have better luck posting and Diesel discussion
__________________
 All Diesel Fleet 1985 R107 300SLD TURBODIESEL 2005 E320 CDI (daily) LOTS of parts for sale! EGR block kit http://www.peachparts.com/shopforum/diesel-discussion/355250-sale-egr-delete-block-off-plate-kit.html 1985 CA emissions 617 owners- You Need This! Sanden style A/C Compressor Mounting Kit for your 616/ 617 For Sale + Install Inst. Sanden Instalation Guide (post 11): http://www.peachparts.com/shopforum/diesel-discussion/367883-sanden-retrofit-installation-guide.html
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#5
10-01-2018, 03:39 PM
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Darn it my mistake thanks
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#6
10-03-2018, 09:20 AM
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Compression is 260 p.s.i. ? That's on the bottom end of "acceptable". The beast is tired. Use a cetane additive and drive it until it quits. Then throw another engine in it.
4 Best Diesel Fuel Additives of 2018 (And Why They Work)
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“Whatever story you're telling, it will be more interesting if, at the end you add, "and then everything burst into flames.” ― Brian P. Cleary, You Oughta Know By Now
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#7
10-03-2018, 05:06 PM
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Per Mercedes FSM for a 617.950 Turbo (im sure the NA would either be very close or match
Normal compression is 319-348psi Lowest acceptable compression's 218psi Maximum difference between cylinders is 44psi
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Nosce Te Ipsum "Know thyself"
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