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#46
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jt20-
Not to hijack your thread, but I may be buying a car in similar condition. Do you know if the car was run low on oil (and if so for how long, did it knock seize etc)? Was there any grooving or damage to the cam lobes? Thank you, and good luck. I am following the thread with interest.
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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine |
#47
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there was no knocking BG. I am not sure why the bearings went bad. The engine looks well-maintained (enough) from the inside. Bearing failure could be from accident -busted oil cooler and engine left running??? Or one short stint on low oil before the accident.
Camshaft looks great. just removed yesterday - lobes are unscathed but have some variance (prb from loose lashing) and bearings in the towers are typical for a cam. I recall speaking to MB mechs and hearing "well, lets consider the flow of oil from the pump... where does it go? (insert rhetoric here)..then finally it gets to the camshaft.. don't you think you will have damage there as well?" NO. There is minimal stress in this area (compare to crank). Continually poor maintenance could could cause damage though mine had to be a cause of intermittent trauma. |
#48
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here are some surfaces
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#49
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Thank you. Hopefully I will not find what you did when I pull the pan.
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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine |
#50
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you have my prayers
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#51
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Was your crank gouged or out of round? How much was the new crank?
__________________
1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine |
#52
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It looks like low oil to me.. i would suggest a new oil pump..
__________________
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? As long as they would add one additional commandment for you to keep thy religion to thyself. George Carlin (Wonder where he is now..) 1981 240d (engine donor 1983 240d) recently rebuilt engine hurray! - No more.. fought a tree and the tree won. pearl black 1983 240d 4speed (Converted!@$$%) atleast the tranny was rebuilt. |
#53
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I have selected to regrind my original crank to the first oversize and use all original equipment. After talking to a few local machine shops, the expensive nitride hardening is often skipped with excellent results.
Often, the N/A engines eventually find turbos on them as well. As an upgrade, of course(?) |
#54
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I dont think so
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1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" |
#55
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what? Not an upgrade? Or never happens... ? I ve seen two. but they were recent installs, cannot confirm longevity.
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#56
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Two thoughts on "Your" Upgrade theory
1. NA engines have no Oil Jets to keep the pistons cool.
2. 'Cranks on NA engines not Nitrided. "Turbo-ing" a NA is "Train Wreck Waiting to Happen".
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'84 300SD sold 124.128 |
#57
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Don't forget the oil pump.
I would certainly not suggest this to anyone. Simply claiming its plausibility. |
#58
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your better off just getting a turbo engine, piston oil coolers, nitrided crank, sodium filled valve faster spinning starter.
__________________
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? As long as they would add one additional commandment for you to keep thy religion to thyself. George Carlin (Wonder where he is now..) 1981 240d (engine donor 1983 240d) recently rebuilt engine hurray! - No more.. fought a tree and the tree won. pearl black 1983 240d 4speed (Converted!@$$%) atleast the tranny was rebuilt. |
#59
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He has a turbo engine, he just needs a crank.
Was the crank damaged?
__________________
1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine |
#60
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cervan, do ever read the entire thread?
BG, yes, all 5 throws had bearing damage. Pretty minor considering what can happen. It is being turned this week. car should be back together in 5 days. then troubleshooting for then next 6-8 months (ha!) |
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