Question On Domestic Engine Swap Into W108 - Page 2 - Mercedes-Benz Forum

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post #11 of 53 (permalink) Old 10-18-2011, 10:10 AM Thread Starter
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Thanks for all the insight Guys.

I am doing a parallel search.

Still looking for a used W108 280 engine at a good price and at the same time I would really love to talk to those that have transplanted domestic engines in their W108.
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post #12 of 53 (permalink) Old 10-18-2011, 07:30 PM
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You can also use a 3.5, 5.0 or a 5.6 Mercedes engine. There are plenty out there. Its still a original and should fit with minimal modifications. All true the V8 is heavier and you have to change the front end,maybe even the rear diff for the extra power. I'm not sure about the transmission tunnel, I read somewhere the later 108s had a change to fit the bigger V8 transmission or so.
the best would be find a rusty donor car (they are cheap)and move over what you need.
If you go original or domestic, let us know how it works out.
Good Luck
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post #13 of 53 (permalink) Old 10-18-2011, 09:56 PM Thread Starter
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If I don't do a 280 engine for simplicity then the the V8 won't be a Mercedes for sure.
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post #14 of 53 (permalink) Old 10-20-2011, 10:02 PM Thread Starter
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Full Speed Ahead On The Domestic Swap

After much consideration I have decided to pursue the domestic power-plant angle.

Really truly would love to talk to those that have gone this route before me here in the US.

I am contemplating going back to the crushers on Saturday and removing the Range Rover 4.0 (Based on the Buick 215 all alloy mill).

But first I need to get my hands on a bare 289/302 block, oil pan and bellhousing

Wish there was a place that rents this P-AYR stuff out:

P-Ayr



I hoisted the old gal on all fours, removed the complete exhaust and transmission tonight.



Is their a market for used exhaust and transmission?

PS: I was elated to see that the transmission cross brace is adjustable.
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post #15 of 53 (permalink) Old 10-21-2011, 08:45 AM
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Originally Posted by QuickSilver2 View Post
If I don't do a 280 engine for simplicity then the the V8 won't be a Mercedes for sure.
Why not? I did two transplants, one 5.6 out of a 560 and one early 5.0 out of a 450SLC 5.0. With the right combination of parts it's a straight fit with very little modification. They are aluminum blocks and are the same weight as the L6, so no need to modify the front suspension. I'm very pleased with the result. If you were to consider it, I would be happy to list all the parts you need.
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post #16 of 53 (permalink) Old 10-21-2011, 03:18 PM Thread Starter
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Why not? I did two transplants, one 5.6 out of a 560 and one early 5.0 out of a 450SLC 5.0. With the right combination of parts it's a straight fit with very little modification. They are aluminum blocks and are the same weight as the L6, so no need to modify the front suspension. I'm very pleased with the result. If you were to consider it, I would be happy to list all the parts you need.
Thanks for the offer and I truly appreciate it but I am sticking with the domestic power plant for its simplicity and upgradability.

This is a car I salvaged from the crushers and I must keep that in mind from a cost standpoint.

However, that being said you should just fab up a website for your work so that others can follow.
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post #18 of 53 (permalink) Old 10-21-2011, 04:40 PM Thread Starter
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Very nice, thanks for sharing.
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post #19 of 53 (permalink) Old 10-21-2011, 07:27 PM
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@GGR

Nice engine swap. Looks clean and would imagine it has some torqueish throttle response now.

I was/ am trying to source a MB V8 wreck for a complete power train swap, and have found a local V-12 600 series car that came over from Japan and has "electrical" issues with the harness. Guy is disgusted with the repair bills and is trying to get $1200 for it. I am considering it as a candidate to hotrod my W123 230Coupe, but need to figure out just what these electrical issues are? The 600 motor could get really expensive, really fast.

Nothing exceeds like excess.

You are an inspiration.
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post #20 of 53 (permalink) Old 10-21-2011, 08:11 PM
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@QuickSilver2

Old Ingrid cleaned up very nicely. It appears to have survived the slumber well.

PLease keep us interested parties posted on your progress.

I happen to have a freshly hopped up small block Ford (SBF) on carburators that is sitting in my freshly stolen and wrecked pony car that I had been working on for the last 4 years. However, I still want to keep my 230C project "pure" but with a bigger MB V-something power plant, for my own wierd reasons. However, if slidding the Ford engine & a 5 speed in there is not too painful, it could happen. hmmm, a Frankenbenz

These projects do have a habit of changing as the work proceeds. Like all good art.

Keep us posted!
Pete
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