986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post

Jake Raby · 12-22-2010, 11:52 AM

The cams are driven at 1/2 crankshaft speed.. That is accomplished via the IMS.

The surface speeds of lots of timing chains are being elevated..

Flaws take a while to note, the new engine was also subject to Porsche Accounting, just like the M96.

12-22-2010, 11:52 AM	#4
Jake Raby Engine Surgeon Join Date: Aug 2008 Location: Cleveland GA USA Posts: 2,425	The cams are driven at 1/2 crankshaft speed.. That is accomplished via the IMS. The surface speeds of lots of timing chains are being elevated.. Flaws take a while to note, the new engine was also subject to Porsche Accounting, just like the M96. __________________ Jake Raby/www.flat6innovations.com IMS Solution/ Faultless Tool Inventor US Patent 8,992,089 & US Patent 9,416,697 Developer of The IMS Retrofit Procedure- M96/ M97 Specialist