Quote:
Originally Posted by The Swede
There are some decent 840's out there. Assuming it's an Alusil block (95+ ?) I don't see much of a reason to be afraid of them. Probably shares many parts with the big 7. Make sure it has records and do a PPI. If it checks out, then go for it!
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I think Alusil was '97-up. The block has some sort of code number that should be referenced to confirm the alloy type. OTO, older 7's and 8's may be on replacement blocks when their nikasil blocks went bye-bye. Just watch out on this, as there was a period when BMW was replacing bad nikasil blocks with new nikasil blocks, starting the whole sulfur-corrosion process all over again.