Rebuilt Engine Question: Break In. - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Jaak · 10-28-2009, 06:05 AM

Folks, rebuilder says at 1,000 km driven, I can then drive normally with the conventional oil. I'll wait till at least 1,500 km before I exercise the motor as I want to ensure that it is properly broken in ....

clickman · 10-28-2009, 02:24 PM

Out of curiosity, did your rebuilder do anything to address any of the known failure modes, like IMS?

Jaak · 10-28-2009, 06:34 PM

I did not talk to him as it went through my friends P-Car shop. Friend said that this shop is used by many independant P-Car shops in the Greater Toronto Area with no returns in the last 20 years. They do street as well as racing engines on Porsches.

What I gather form various sources is the IMS occurs on original factory engines. Rebuilt ones have the upgrades in them. The original motor on mine has 79,000 Miles on it with a sever case of oil flooding ... PO had filled the crankcase with 4 extra litres of oil. All was well lubricated so to say ...