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I forgive you. (nt) (archive)

[ Follow Ups ] [ E36 M3 Message Board ] [ Msg. Board FAQ ]

Posted by Sam L on April 30, 2000 at 20:31:07:

In Reply to: my 2 pfennigs (sorry Sam L!) posted by KC ///M3 on April 30, 2000 at 17:04:42:

: Why are you replacing your clutch already? Just curious.

: I installed the 002 Evo u/d pulley about 2 weekends ago and I love it. There is a noticeable power increase and I recommend it, however you have to ask yourself what you are looking for. The pulley swap will boost HP and torque a little bit, about 6-8 and 10-12 respectively. It is a simple (I think) job, and costs between $350-500 for the hardware. Probably cheaper for you since I have a 95 and pulleys are cheaper for 96+.

: A new flywheel will not add any power, however it will do wonders for acceleration since you are halving the rotating mass. So, the engine can spool up a whole lot quicker. From what I understand there are some issues with lightweight flywheels, namely they tend to die (stall) easily when the car is at idle -- however a simple bump of the idle speed up a couple hundred RPM by modifying the chip is supposed to cure that. Also, from what I have heard, driving around town is not quite as smooth -- because the engine can spool up so fast, it can also drop revs a lot quicker so it might be harder to match revs when shifting to avoid jerkiness.

: Usually the flywheel is far more difficult to install since you have to take the transmission apart, but since you are replacing the clutch anyway I guess that is a moot point. Flywheels are approximately twice as expensive as pulleys.

: As you know, you can't do both because of harmonic issues (I have heard it is possible to do if you get both professionally balanced). I think though that in the end the flywheel will yield more dramatic results. I went the route of the pulley because it was cheaper, easier, and I am a HP freak trying to eek out all I can.

: Hope I didn't confuse the issue any.

: Ken
: 95 M3
: Dinan CAI
: Euro HFM
: 002 Evo u/d pulley
: Jim C Euro HFM chip
: loud Tri-Flo
: UUC clutch stop
: other goodies in the works...




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