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Derek Grozio
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Identifying 2.5 or 2.7 motor
Derek Grozio replied to Derek Grozio's topic in 986 Series (Boxster, Boxster S)
Thanks, since the mileage is pretty low on the engine I'll have it on my list sooner rather than later to pull it and make a project out of it! -
Recently acquired a 1999 986 where the owner noted that the motor had previously been replaced by Porsche under warranty. The mileage they identified it was replaced at would put it at the work having been done around 2001 or 2002. I assume they would have put a crate 2.5 back in the car for sake of ease and less impact to replacement, however there were notes on a few of the IMS reference materials out there on the net that Porsche used whatever was being produced at the time. Is there a way to identify if Porsche replaced it with a 2.7? I know the O2 sensors and the AOS changed for the 2.7 vs the 2.5 and was going to start there, but unsure if those parts can be successfully swapped from the 2.5 to 2.7. Essentially looking to identify if I have a dual row IMS bearing without opening it up and poking around. Thanks!