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SL/R230: Engine Swap M113 to M273

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Old 05-02-2019, 10:43 AM
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2015 SL400 (M276 Turbo), 2014 C350 Sport (M276 NA), 2004 SL500, 2004 Audi TT225
Engine Swap M113 to M273
I’m wondering what it would take to swap a M113 5.0L for a M273 5.5L. Is it a direct swap or more complicated than that? Has anyone tried it here?

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Old 05-02-2019, 10:58 AM
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16 E550 Cab, 2003 Ram bright red crewcab 4x4 we call Clifford :)
dunno but interesting question.....
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Old 05-02-2019, 10:29 PM
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You'd have to swap almost everything under the hood. You'd need someone who can "hack" the ECU. I'd;just trade cars. It would be much less expensive.
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Old 05-03-2019, 09:31 AM
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1999 SLK 5.5L 6-speed, 1993 300 SE
use a 722.9, go standalone on everything and be prepared to do a little bit of fabrication!

EZPZ
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Old 05-03-2019, 05:48 PM
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LS swap would be easier than that one. Bore and stroke the 5.0 would probably the cheaper route with less headaches to get more displacemnt.
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