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Swapping engine from '87 240 into '89 740?

posted by  J mick on  Sun Aug 12 13:11 CST 2007
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last visit: Mon Feb 16 06:37 CST 2009
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Hi all,

I have an '87 240 that has been with me a long time and I love dearly, but she's a northern car with terminal cancer of the metal. Still runs and drives perfectly at 400k, but just not going to be with us much longer. There's an '89 740 non-turbo nearby with a blown engine and a good body.

Has anyone made this swap before? They're both M47 cars, so I can keep the one in the 740 with the cutout for the RPM/Crank sensor. My biggest concerns are ignition and fuel injection compatibility. The '87 240 is LH2.2. I'd imagine the '89 740 is 2.4--right? Is there any rhyme or reason to which 740s got Bosch ignition and which got Rex/Regina? How much does that distinction complicate thing? Are the motor mounts the same? How much destroying/rebuilding of wiring harnesses am I looking at here? Please forgive my ignorance, but I've never had a 740.

Any advice is greatly appreciated.

Thanks!

Jon McKeon
'87 '88 & '92 245s, '91 244






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New Swapping engine from '87 240 into '89 740?
posted by  J mick  on Sun Aug 12 13:11 CST 2007 >


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