Alfa Romeo Forum - View Single Post - alfa 75 6c 3.0v6 engines project
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purple145
Status: Alfa infected
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Join Date: Oct 2004
Location: United Kingdom
County: West Midlands
Posts: 7,115
If you were thinking of fitting the block and swapping the heads, IIRC some of the water/oil channels are different as the 75 block will be for a 12v and the 166 will be a 24v. Also the thermostats are at different ends, and the flywheels and crank pulleys will need swapping.

All possible, but a lot of hassle, enough 166/GTV V6s being broken so why bother IMO.

HTH
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