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  #1  
Old 02-09-2008, 09:47 PM
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Question m117 500SEC engine refresh/swap questions

Ok, after a good bit of hunting, I have an engine on the way to replace the shattered one in my car. The question I have for you all is what would you replace on this engine before stuffing it in it's home?

From reading other's suggestions and accounts here, I'm already planning on replacing the parts on the list following this, but I am open to suggestions of other parts that should come out before it goes in the hole, as I'd really prefer not do this again any time soon!

Timing chain
timing tensioner rail
Timing chain guides? (the rest of them?)
valve cover gaskets
cam oilers
rear crank seal (rear main seal)
trans torque converter seal (input shaft seal?)
any hardened rubber fittings
injector bushings? (planning to swap to MegaSquirt relatively soon, so this is low priority)
motor mounts
transmission mount
flex shaft disks/center bushing block
intake upper/lower half connection donuts (8 rubber rings, whatever they're called!)
oil pump chain/tensioner?
front crank oil seal?
valve stem seals?


As mentioned briefly in passing just above, it has a MegaSquirt computer headed for it, and most likely some form of forced induction shortly after the EFI is running stably.
I'm trying to keep this in mind, so as to avoid spending heavily on things that will be pulled off the engine once it's in the car and proven to run, as well as to help in replacing the bits that need to be in GOOD working order for the extra load it will putting up with, as I play with it.

Any suggestions of stuff that I'm obviously overlooking?

Thanks for any and all input!
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Testing the cheap Mercedes axiom, one bolt at a time...

Last edited by hey_allen; 02-09-2008 at 10:35 PM. Reason: oops... forgot the reason it's in performance section!
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  #2  
Old 02-10-2008, 12:54 AM
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wow nice pics, thats a euro motor??? With egr and an idle air valve?
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1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350
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  #3  
Old 02-10-2008, 04:54 AM
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Assuming that the engine that is in the car currently is stock to the car, yes it's a euro motor.

Doing the vin check on the ru site, it was delivered in Ulm Germany in 1982 (registered as a 1984, though...)
It has lived in CA, so it may have had evil things done to it in the name of CARB approval.
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Testing the cheap Mercedes axiom, one bolt at a time...
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Old 02-10-2008, 10:39 AM
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That'll be nice to have an engine you've gone over completely while it was out of the car. Congratualtions on getting a terrific Benz, and good luck with it!
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" The market, like the Lord, helps those who help themselves. But, unlike the Lord, the market does not forgive those who know not what they do."- Warren Buffett

OBK #55

1998 Lincoln Continental - Sold
Max 1984 300TD 285,000 miles - Sold
The Dee8gonator 1987 560SEC 196,000 miles - Sold
Orgasmatron - 2006 CLS500 90,000 miles
2002 C320 Wagon 122,000 miles
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  #5  
Old 02-10-2008, 11:23 AM
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ahh ok, did you get another euro motor to replace it ?
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1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350
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  #6  
Old 02-10-2008, 11:31 AM
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One of the others on one of the forums had an engine from a 500SE sitting, so I should have an engine as soon as the movers can get it here.
I didm't want to go US spec, so it took a bit of looking, and waiting!

I just want to make sure to do any reasonable preventative maintenance while it's on the engine stand and easy to get to!
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Testing the cheap Mercedes axiom, one bolt at a time...
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Old 02-11-2008, 09:43 AM
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Is it my imagination, or are there more SECs on the market lately?
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" The market, like the Lord, helps those who help themselves. But, unlike the Lord, the market does not forgive those who know not what they do."- Warren Buffett

OBK #55

1998 Lincoln Continental - Sold
Max 1984 300TD 285,000 miles - Sold
The Dee8gonator 1987 560SEC 196,000 miles - Sold
Orgasmatron - 2006 CLS500 90,000 miles
2002 C320 Wagon 122,000 miles
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  #8  
Old 02-11-2008, 03:11 PM
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I'm not sure on that.
I'd been watching for a while, and found this one badly listed on CraigsList. Text only, poor description and REALLY bad title on the listing. I'm halfway surprised that I even looked at the listing!

It did come with a blown engine, and I suspect that this engine would be a massive money pit if someone were trying to repair the stock engine. As I'm not worried about matching serials, though...
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Testing the cheap Mercedes axiom, one bolt at a time...
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Old 02-11-2008, 03:13 PM
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Some have suggested that the price of 560SECs go down as the price of gas goes up, but it doesn't seem like that would be true.
__________________
" The market, like the Lord, helps those who help themselves. But, unlike the Lord, the market does not forgive those who know not what they do."- Warren Buffett

OBK #55

1998 Lincoln Continental - Sold
Max 1984 300TD 285,000 miles - Sold
The Dee8gonator 1987 560SEC 196,000 miles - Sold
Orgasmatron - 2006 CLS500 90,000 miles
2002 C320 Wagon 122,000 miles
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  #10  
Old 02-11-2008, 09:12 PM
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Location: Frederick, Md
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got any other pics of it besides the trunk triangle?
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1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350
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  #11  
Old 02-12-2008, 05:56 AM
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I'm pretty sure that there are others of the car overall in the same gallery, but if not, I'll put the rest up when I get home..


Anyone have any further suggestions on parts to replace while the engine is out?
I want to go ahead and get the parts on order so I'll have them relatively soon after the engine gets here.
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-Josh
Testing the cheap Mercedes axiom, one bolt at a time...
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  #12  
Old 02-13-2008, 05:28 PM
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Ok, now I see what you meant about the triangle image! I'd forgotten that I'd even loaded an image here in the gallery.

There are a couple more pics now, one from the side and one head on.

Thanks for the comments, all. I finally just went ahead and ordered most of what I could see being accessible while the engine was on an engine stand, and would be a pain when it was reinstalled.

Timing chain, tensioner, and all guides(may not get to a few of them, but ~$20 for all the lower ones, couldn't hurt)
oil pump chain/guide
valve stem seals
intake/exhaust gaskets
intake manifold plenum seals
cam oiler clips
valve cover seals/crush washers
rad hoses
water pump gaskets
thermostat/seals
engine/trans mounts
flex discs
front/rear main seals

Hopefully all this will give a bit of a headstart on keeping this engine running in good shape for the foreseeable future! (especially since it hit me what I just dropped in preventative maintenance parts.. My bank account is hating this car already, and I haven't even driven it yet! )
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Testing the cheap Mercedes axiom, one bolt at a time...
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  #13  
Old 02-13-2008, 07:10 PM
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Location: Frederick, Md
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I'd be curious to see a close up of the top of your engine to see what is routed where. Mine is a mess! They even have an injector from what looks like an old 450 engine inline to the fuel distributor which seems to be functioning as a frequency valve. other vacuum lines have been teed and run all over and others connect to nothing.
__________________


1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350
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  #14  
Old 02-17-2008, 10:31 PM
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Johnhef,
There are more pictures of the upper end now up, http://www.flickr.com/photos/hey_allen/collections/72157603932525091/

Let me know if you need other angles, or close ups of other areas.
__________________
-Josh
Testing the cheap Mercedes axiom, one bolt at a time...

Last edited by hey_allen; 02-17-2008 at 11:37 PM.
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  #15  
Old 03-20-2008, 11:16 AM
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Quote:
Originally Posted by Dee8go View Post
Is it my imagination, or are there more SECs on the market lately?
2nd.
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