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WERK I WERK I is offline
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Join Date: Jan 2003
Location: Wisconsin
Posts: 3,298
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Hi Thierry,
Right, the higher the value of the cam timing, the sooner the valve opens. This gives the engine the opportunity to start filling the cylinders a little sooner, thus improving the low to mid torque range. This merely shifts the torque curve a little (albeit a little) to the left. You will lose a little torque on the top end.
If you are looking for more top end, I would suggest a little wilder cam, i.e. 964 grind, to suit your needs. The duration is a little longer, giving you more fill time.
If you wish to stay with the SC cams, set your timing somewhere between the low value to mid-point.
Good luck with the dwur, it sounds like a promising product! Keep us posted with your opinions/issues. I'm very much on the fence, but starting to lean towards the darkside.
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Dave
'85 930 Factory Special Wishes Flachbau
Werk I Zuffenhausen 3.3l/330BHP Engine with Sonderwunsch Cams, FabSpeed Headers, Kokeln IC, Twin Plugged Electromotive Crankfire, Tial Wastegate(0.8 Bar), K27 Hybrid Turbo, Ruf Twin-tip Muffler, Fikse FM-5's 8&10x17, 8:41 R&P
Old 02-13-2009, 01:19 PM
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