Author	Subject: Random engine questions
smegal Seasoned Pro Location: Leeds Registered: 26 Dec 2005 Posts: 5,940 Status: Offline	Post #1 Can someonne confirm that the bore and stroke of our engines is 86x86mm and that the compression ratio is 10.8:1 Also what is the: Con rod length Wrist pin offset (no idea what this is) Also does anyone know information about the poston bowl diamiters etc? ________________________________________ Ex SC-6 Now in a Megane R26
Posted 6th Jan 2010 at 02:53 Profile

rich_w Seasoned Pro Location: Havant, Hampshire Registered: 29 Jul 2004 Posts: 5,412 Status: Offline	Post #2 Bore / stroke: 86,0 square Con-rod length: 158,0 Gudgeon pin offset: 0,5 EX The gudgeon pin offset is to help equalise longitudinal thrust of the piston against the cylinder walls during the combustion process. ________________________________________ Contact Details: rich@lynxpowerengineering.co.uk 07732 822546
Posted 6th Jan 2010 at 03:03 Profile

mxcrazy Regular Location: hastings Registered: 22 Jun 2009 Posts: 456 Status: Offline	Post #3 86 x 86 is correct 10.8:1 is correct as stock rod length, centres is 158mm (s16 or 2.0 mi15 is 152mm) standard gudgeon pin to deck height is 34mm, dont know offset edit: too late
Posted 6th Jan 2010 at 03:07 Profile

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