I heard that I can put a Chevy350 motor in my 89 420SEL. And if so can you or anyone help me with the understanding of the process? Thanks for input.

It's like putting any motor into any other car it wasn't designed for basically time and patience. It would be no different than the task I had of putting an M120 into my 560SL, just a different set of challenges.

Basically if the intent is just to get a Chevy under the hood not worth it. If the intent is to get maximum power for cheep under the hood, not a bad idea.

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To see my 129 parts for sale visit:
http://stores.ebay.com/The-Mercedes-SL-Store
John Roncallo

Thats right.

time, patience and MONEY

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1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350

With lots of homemade parts and smarts.

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http://i284.photobucket.com/albums/l...aman/Fleet.jpg

Peach Parts W124.128 User Group.

80 280SL
85 300SD
87 300TD
92 300D 2.5 Turbo
92 300TE 4Matic

Oh yes, I forgot the MONEY part, Lots of it.

__________________
To see my 129 parts for sale visit:
http://stores.ebay.com/The-Mercedes-SL-Store
John Roncallo

If you can do your own fabrication of mounts and other adapters it might be cheaper than screwing with the Mercedes power. Using a 97 and up LS engine will result in a nice smooth powerful result-don't bother with carbureted. Read here for good LS info ; http://www.ls1tech.com/forums/ this place makes conversion harnesses http://www.speartech.com/

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There's no substitute for cubic inches