W115 240D Engine Rebuild advice? - Page 2 - Mercedes-Benz Forum

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post #11 of 17 (permalink) Old 07-23-2015, 07:58 AM
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I forgot to mention checking timing chain stretch. If it's out of spec, you'll want to roll in a new one.
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post #12 of 17 (permalink) Old 07-23-2015, 08:52 AM Thread Starter
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You probably have several 100,000 miles before it's a concern.
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post #13 of 17 (permalink) Old 07-24-2015, 05:36 AM
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Ben, you need to stop thinking so much! Rebuilding a motor is expensive, even if you do most yourself. Buying a rusty 115 with a good motor is way less than rebuilding the motor. Much like the person that spent money rebuilding your 300D's motor, you will never see that money again.
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post #14 of 17 (permalink) Old 07-24-2015, 08:42 AM
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Originally Posted by drew56cus View Post
Ben, you need to stop thinking so much! Rebuilding a motor is expensive, even if you do most yourself. Buying a rusty 115 with a good motor is way less than rebuilding the motor. Much like the person that spent money rebuilding your 300D's motor, you will never see that money again.
Cheers, Drew
Sir you gave me something to think about. But buying a used engine can also cause problems since you wouldn't be sure everything is ok inside. Since these are old cars it too would need a rebuild some time soon unless the people who sell it can prove it was rebuilt recently.

I'm currently in the process of rebuilding an M115 for my W115 200.
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post #15 of 17 (permalink) Old 07-24-2015, 08:53 AM
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Quote:
Originally Posted by drew56cus View Post
Ben, you need to stop thinking so much! Rebuilding a motor is expensive, even if you do most yourself. Buying a rusty 115 with a good motor is way less than rebuilding the motor. Much like the person that spent money rebuilding your 300D's motor, you will never see that money again.
Cheers, Drew

I think he has two good motors in two cars that need (some) work already. He needs to start driving and enjoying. He is worried about what to do and doesn't want to have two cars. Well, having one half-parted-out car and one running car takes a lot more resources than two running and driving cars. Sit on one a while while fixing the other.

It seems there a lot of confusion about which is the better car. We can't tell over this Internet, especially with the limited pictures we are getting, mainly focused on glamour shots. Showing the flaws in each would help is help Ben make a decision. Maybe a video hearing each run. Then again, as someone else suggested, he should take both cars to the same mechanic for the mechanic to help him make the decision.
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post #16 of 17 (permalink) Old 07-24-2015, 09:51 AM
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True that. I would go with the 300D but it all depends on the condition the cars are in. Choose the better one, maybe take some stuff for spare parts from the other and sell what you will never use. Having too cars that need work is just a waste of money unless you run a resto shop and even then. Better to focus on the best one of the two.
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post #17 of 17 (permalink) Old 07-24-2015, 10:09 AM
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I think he should convert one of them to a manual transmission.
W115 240D Engine Rebuild advice?-imageuploadedbyautoguide1437754182.406696.jpg

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