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#1
07-30-2007, 05:23 PM
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Thinking of buying an IP that the Chain broke on
I found an IP for a 602 engine today at a good price. The guys engine destroyed itself when the timing chain broke. Would the Injection Pump still be ok? The camshaft on the engine is sheared.
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-E300d '99 350k -Suburban '93 220k -TDI Jetta '03 350k Sold -F250 '96 7.3 -Dodge Ram 12V -E320 '95 200k -E320 Wagon 1994 155k -300d Turbo '87 187k miles -E320 1994 200k -300d Turbo '84 245k (sold to Dan62) -300d Turbo '84 180k -300sd '80 300k -7.3 Powerstroke Diesel 15P Van 500k+ miles -190d '89 Non Turbo 2.5 5cyl 240k (my first MB) Tom's Imports of Columbia MO Ruined the IP in changing leaky delivery valve O-Rings - Refused to stand behind his work. Mid-MO MB drivers-AVOID Tom's. 
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#2
07-30-2007, 10:05 PM
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I do not believe a broken chain could hurt the IP.
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#3
07-30-2007, 10:06 PM
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I don't see any way the pump could have been damaged.
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DJ 84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012 
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#4
07-30-2007, 10:57 PM
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I would estimate there is a better than 95 percent chance the pump was not hurt. The cam damage probably occured after the chain let go. If you were considering additional loads on the injection pump shaft and bearings that is.
I also cannot remember any member having a damaged pump because of a chain letting go. Cheap sounds good as well. My kind of price. Last edited by barry123400; 07-30-2007 at 11:05 PM.
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#5
07-30-2007, 11:30 PM
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I'd bet the only way a broken chain could damage the pump is if the broken chain folded over itself and the engine momentum continued to pull the chain around the pump sprocket, bending or breaking the nose off the IP's shaft.
But, that would be a rare and amazing event.
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#6
07-31-2007, 06:54 AM
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Actually on a 617 (I don't know about a 60_) the drive sprocket is completely separated from the pump and the final connection is with that infernal little splined connector (which can fail on an engine that is very very worn such as my 84 240d).
Tom W
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.  [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#7
07-31-2007, 12:04 PM
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777funk, If your deal for the 602 IP falls through, contact me. I have a ip from 602.911 that became surplus when the rods for # 4 and 5 went through the block
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Hanno '79 6.9 Sold (after 27 years) '83 280SL, 5 spd. '94 E320 Sdn. 5 spd conversion '02 E320 Sdn.(on loan to mom!) '87 300E (5 spd. conversion) Sold '05 E500 Wagon
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