107 upgrade. - PeachParts Mercedes-Benz Forum

jdhill · #1 10-06-2006, 01:03 PM

Has anyone looked into dropping a V-12 into a 107 chassis? There is a 95 S600 on Craigslist for 7K, OBO, and I know of an 82, 450 minus engine and tranny for 700.00 I'm thinking complete running gear swap, brakes etc. Any input appreciated befor I do something rash.

AustinsCE · #2 10-06-2006, 02:03 PM

Check back on this forum maybe as much as 8 pages? It came up recently. Basically IIRC the general response was it "can't" be done...without modification. So if you do go for it, document it. Because lots of folks would like to see it. But dont expect much support from this crowd. Custom isnt allowed on this forum, it has to be direct bolt up or its impossible. I imagine, if you have both cars, you can take cross members, hubs etc whatevers necessary to complete it or at least see what needs to be fabbed to replace what and where and should be rather straightforward, assuming the engine isn't just plain too wide. Then the tunnel will almost certainly need widening or cut it out and weld new pieces in their place. In short, its a lot of work, pretty much making the car a different car. I say go for it, be a pioneer. If i liked 107s or V12s i'd be all over it. Good luck.

300EVIL · #3 10-06-2006, 04:32 PM

Quote:

Originally Posted by AustinsCE

But dont expect much support from this crowd. Custom isnt allowed on this forum, it has to be direct bolt up or its impossible.

That's an un-true statement. Just because a few people drop in and say "it can't be done unless it bolts up" doesn't mean that's everyone's opinion.
Their are many other members here that have done "real" performance modifications to their Benzes and realize their is no way around custom fabrication. I for one think the conversion can be done, it just won't be easy or inexpensive. I've seen pictures of an M120 crammed under the hood of a W124 so the 107 chassis should be way easier.

AustinsCE · #4 10-06-2006, 05:44 PM

You know thats not untrue, MOST in this crowd are that way. Come on dude...Besides of all the people on here, I think you know you're not one of them.

Basically what i'm saying is go to a Lancia board, for example, and its like how are we going to get this done, and here its like- this is why you cant do that. No support whatsoever. Maybe its because they're all engineers that own lancias, I dont know?

300EVIL · #5 10-06-2006, 06:47 PM

Quote:

Originally Posted by AustinsCE

Besides of all the people on here, I think you know you're not one of them.

What's that supposed to mean??

Quote:

Originally Posted by AustinsCE

Basically what i'm saying is go to a Lancia board, for example, and its like how are we going to get this done, and here its like- this is why you cant do that. No support whatsoever. Maybe its because they're all engineers that own lancias, I dont know?

You don't have to have a degree in engineering to modify cars. Some cars are more popular to modify like BMW's and Hondas. There is a lot of people out there trying different/new stuff with them every day. Mercedes are not in the same class, thus less information out there on building performance.

The members on Mshop who have taken the time to perform a worth while modification will see the results. There's no book or instructions to custom work. Just because your not going to get a forum member to hold your hand through your entire project doesn't mean you can't figure it out and do it yourself.

300EVIL · #6 10-06-2006, 07:24 PM

jdhill,
Here are two threads on that topic.

http://www.peachparts.com/shopforum/search.php?searchid=928358

AustinsCE · #7 10-06-2006, 11:13 PM

Ha, sorry, what I meant was there are the neigh sayers and anti-mod people, and you're one of the pro performance people.

Thats exactly my point isnt it? Not much support.... Hmmm.. whats the argument?

t walgamuth · #8 10-06-2006, 11:28 PM

wait, you're both right.

a lot of us will discourage very adventurous projects. myself included, not because i dislike defiling a sacred benz but because very ambitious projects often end in failure because someone not experienced enough underestimates the size of the job by 99% or so.

there are a few who have done very aggressive modifications along the lines discussed in this thread, but honestly most of us are just trying to get it to perform as good as original and hoping to save a few bucks while at it.

now this 107/ v12 swap is one i would only encourage a person to attempt if they have a lot of experience in dissimilar swaps. it breaks a few rules in my book. namely because the years of the engine and chassis are vastly different so the interchangibility of parts will be very very low. so a lot of modifications will be essential.

physically i think it will fit but it will be a massive undertaking.

so if you are a very experienced hobbiest with extensive experience i will be rooting for you to go for it. if not i will be advising caution.

as for support i will only be able to offer moral support because it is way beyond my expertise.

tom w

jdhill · #9 10-07-2006, 01:38 PM

Thanks for responding. I own an art fabricating business (large scale, i.e the San Bruno CA. BART station the Franklin Transportation Center in Philadelphia)
or I wouldn't even be thinking of it. The above link unfortunately, went nowhere. Is there a site where the physical dimensions of the V-12 would be available? Also, am I the only one who gets a bit peeved when the postings start to drift off subject?

t walgamuth · #10 10-07-2006, 02:22 PM

sorry, but this is such an unusual project that hardly anyone has actual experience or facts to offer up.

hope you do it and are fully successful at it. if you do please keep us informed.

there was a thread about this swap a few months back. so you might try a search for it.

tom w

airedale · #11 10-08-2006, 12:17 AM

Quote:

Originally Posted by jdhill

Thanks for responding. I own an art fabricating business (large scale, i.e the San Bruno CA. BART station the Franklin Transportation Center in Philadelphia)
or I wouldn't even be thinking of it. The above link unfortunately, went nowhere. Is there a site where the physical dimensions of the V-12 would be available? Also, am I the only one who gets a bit peeved when the postings start to drift off subject?

I do not know what art fabrication is but the electronics part of the vastly dis-similar years would likely be overwhelming leave alone the mechanical hook-ups.

t walgamuth · #12 10-08-2006, 01:37 AM

indeed i would worry about that as well.

tom w

AustinsCE · #13 10-08-2006, 12:50 PM

He has a complete donor.....? Everything needed is going to be right in front of him. Engine/trans once made to fit if possible, pretty much the same as any other engine swap? Connect everything that was connected before it was disconnected and bobs your uncle. Electronics are the easy part.

300EVIL · #14 10-08-2006, 02:25 PM

Sorry bad link, try these:

Engine Swap Questions M120 into 380SL

V-12 int 107

jdhill · #15 10-08-2006, 05:25 PM

Thanks for the great links. Obviously John Roncallo is miles ahead of the rest of us dreamers. I notice that he has not joined in on this discussion, I would really like to know how his project is going. Does anyone know how to contact him?