Quote:
Originally Posted by Topless
Nope, the IMS is essentially unloaded at high revs, centered by centrifugal force and chains in motion. It is most heavily loaded at low revs, start and stop, and gear changes. Over rev causes rod bolts to fail, ring squeeze, valve float and valve/piston contact, and connecting rods sticking out of the case.
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Yes this is all true, but as rod bolts get stretched beyond their safe limits and valves start to float I wonder if there can be enough force on the ims bearing to damage it. Still would like to see ims failure to over revs data.
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Mike's Specialty Porsche Service
Mobile Mechanic Specializing in Porsche and Select Automobiles
http://www.mikesspecialtyautomotiveservice.com/index.html
Early 1996 / 97 Boxster, 130 k, De snorkeled, IMS, Top Speed Headers.
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