Dr.Eurocar, thanks again for your input. Here is the deal that I can get. I just talked to a guy who will sell me his 1973 280 sedan that was running when he drove it into his pasture 10 years ago and his tree-crunched 1986 300 SL at a very reasonable price. In addition, depending on whether or not he can tow my Cherokee with his motorhome, he may be willing to take my cherokee, which I want to sell, as a trade and give me some cash to boot.
Now, I understand that sticking the wrong engine in a car because it is cheap is short-sighted. But, I am not a power freak, and I looked up the fuel efficiency spec on the '86 300 SL here:
Detailed specs review of 1986 Mercedes-Benz 300 SL (model for Europe )
It claims 29 / 23 / 16.2 (21.6) mpg (U.S.); that would be highway/combined/city, which is better than my '87 300E got with the M104 engine.
So, one question is, "I the amount of work to stick the M103 300SL engine in the car about the same as putting the M104 in there?"
These cars are about 300 miles from me, so it is feasible for me to go and get them with a carryall trailer in one day each.
Alternatively, I could bid on a wrecked 90s 300E and hope to get one for a reasonable price. Some are shown here in Atlanta, which is about the same distance as the two cars are located. Bidding closes on some of this within 24 hours, but there are future auctions s well. Generally there is a $250 fee plus a membership fee to bid of about 440 (I think). I would have to go get the car because it is about $1000 plus to ship. They tell you you need to inspect before bidding because nothing they say about the car is guaranteed to be correct (except the pictures really are pictures of the car).
Apparently, I can buy a complete Mercedes 300e that I can drive home for under $ 2000:
which I grant is maybe a little silly to then dismantle and put into a 1973 Coupe. On the other hand, I may be able to sell some body parts, I guess. This particular car is about 70 miles from me and can apparently be driven home.
Any suggestions here?
1986-1986 SOHC I6 is a M103
M104 is twin overhead cam engine depending on
I guess the M103 would do but for all the work involved I would be inclined to get the more modern and fuel efficient M104, and Auto is not necessary there are 5 speed manuals available.
I would tend to want the entire running car at my disposal makes things easier and cheaper for any swap.