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Recreational User
Join Date: Mar 2004
Location: A Mile High
Posts: 4,159
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S or 964 cams drop-in replacement for 3.2?
Will a 964 cam present a clearance problem for 3.2 Motronic 9.5 CR pistons? I keep hearing about them being used in these engines - would they require any changes other than a fuel/timing remap? How do the driving characteristics compare to the stock cams in a U.S. 3.2?
What about S cams? In his book, Wayne talks about the merits of an S cam in larger engines such as the 3.2/3.4/3.5, but he also indicates that they would cause piston/valve contact with a Motronic piston. So, would (or would not) the S cams be recommended for an otherwise stock 3.2 engine? Last edited by porschenut; 11-09-2008 at 07:52 AM.. |
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11-09-2008, 07:48 AM
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Registered
Join Date: Jan 2003
Location: Langley,B.C.
Posts: 12,000
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S cams won't like your common plenum intake, and you will run into valve clearance issues.
964 cams have a very similar power curve to the stock 3.2 curve, motor feels the same to drive but with a wee bit more power. Cheers
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Turn3 Autosport- Full Service and Race Prep www.turn3autosport.com 997 S 4.0, Cayman S 3.8, Cayenne Turbo, Macan Turbo, 69 911, Mini R53 JCW , RADICAL SR3 |
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11-09-2008, 08:36 AM
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