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Originally Posted by denis gow
There has been a bit of discussion in regard to engine weights in this thread , so I thought I would clear the air with my 2 cents worth .
1. Mercedes SL600 ...........................581 lbs
2. Mercedes 450SL Iron Block..............540 lbs
3.Mercedes 500SL Alum Block.............452 lbs
4.Ford Boss 429 Iron Block Alum Heads..680 lbs
5.Chevy Small Block V8 in 60's 70's.......575 lbs
6.Chevy Big Block V8 Mark IV ..............685 lbs
As can be seen the SL600 is about the same weight as a small block Chevy, so should not have weight issues transplanted in a 380SL .
Some one made a comparison between the SL600 and the SL55 .
The SL600 is a twin turbo V12 and the SL55 is a blown V8 , they have almost the same power ratios except the 600 has more torque but with more weight and a turbo, instead of a blower .
Den Downunder 1982 500SL Euro Red .
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Thanks for the reply Den. I was looking for this info, where did you get the numbers.
I just got the SL600 doner car and the 560SL will be in from California in about 2 weeks. So far my measurement show this engine to be physically smaller than the 117 engine both in length and width, at least down below where it counts. I expect to have difficulty in the power booster area and the AC compressor and PS pump may also have to be relocated on the engine. The 5 speed transmission also looks bigger so the tunnel may have to be modified.
The biggest problem I'm having right now is that the SL600 looks repairable and I may just want to fix it. In any case the engine will have to come out to do the repairs, so I may just borrow it for a bit.
John Roncallo