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swicks
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 Posted: Sun Dec 09, 2001 6:38 am Post subject: |
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I want to lighten my flywheel. has anybody worked out the ideal weight, the car will be used for occasional track use and is my daily car.
cheers
steve |
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924RACR
Joined: 29 Jul 2001
Posts: 8815
Location: Royal Oak, MI, USA
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| Posted: Sun Dec 09, 2001 8:14 am Post subject: |
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The ideal weight is the least amount you can still drive the car with (as a driver, reflecting on your skill).
Not sure about the minimum thickness. I've heard of people taking nearly half the thickness away - just have the machinist remove the dowel pins (that locate the pressure plate) before surfacing, and remove material across the full face of the flywheel, not just where the clutch disc makes contact...
_________________
Vaughan Scott
Webmeister
'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
#25 Hidari Firefly P2 sports prototype |
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Rick MacLaren
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| Posted: Wed Jan 09, 2002 6:46 am Post subject: |
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You took off 1/10th of an inch, didn't you Vaughan?
Anyways, that's what I took off mine. It's also being balanced along with the clutch, pistons, rods, crank, etc.
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Peter
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AppleBit
Joined: 16 Nov 2002
Posts: 1516
Location: Minneapolis, MN
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data
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| Posted: Mon Jan 14, 2002 3:01 pm Post subject: |
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| You have to lighten the flywheel from the back not from the clutch surface side. I had mine on a 924 down to 10.5 lbs with good reliability. Make sure to balance pressure plate with it. |
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924 FAQ (Technical)
