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Registered
Join Date: Jun 2003
Location: MA
Posts: 8
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M20 identifcation
Does anyone have any tips to identifying the bottom end of an M20 motor to tell if it is a 2.5l or 2.7? I have an 88 325is, the head is new and says "2.5" on it, but the other day I noticed that the VIN tag on the lower end didn't match the car, so I ran a Carfax on it, and Carfax claims it's from a wrecked 88 325. Do I have a Frankenmotor here or not...are there any other distinguishing marks on the block that would tip me off as to what motor I actually have?
Thanks, Chris |
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10-13-2003, 10:21 AM
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In the shop at Pelican
Join Date: Aug 2002
Location: Los Angeles, CA
Posts: 10,459
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Well, unless he's done extensive modifications, a 2.5 head will not work on a 2.7 block. I dont know of any way to check off hand, but if it's an 88 it would have had a 2.5 lower end as the 2.7's stopped in 1986.
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10-13-2003, 10:55 AM
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