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spec 3, what flywheel???

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Old 03-13-2006, 06:25 PM
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Default spec 3, what flywheel???

i bought a spec 3 clutch, and just been sitting in my room for a while, its time to bolt it up since my stock clutch is going.

my questions are:

what flywheel should i use for a drag racing app.?(ls6,spec,fidanza,ect.)

do i need to replace anything while i got the tranny down???

any hints are appreciated, thanx
Old 03-13-2006, 07:42 PM
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Id do the spec flywheel and probally wanna replace the slave clyinder while your in their
Old 03-14-2006, 12:34 PM
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Originally Posted by Starz T/A 17
Id do the spec flywheel and probally wanna replace the slave clyinder while your in their
which one the steel or alum.????

and what about the shim???
Old 03-14-2006, 01:15 PM
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We like to use the stock flywheel for Spec clutches. Make sure to place the provided shim behind the slave when installing.
Old 03-14-2006, 01:54 PM
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I've read that autox guys should go with the aluminum where as the dragstrip guys should go with the steel one. I'm running the stock flywheel now with my stage3 but upgrading to a billet steel when I get my spec4
Old 03-14-2006, 02:12 PM
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where are you guy's getting a new stock flywheel???? i'm trying to get my spec3f put in but can't find anyone that sells a new stock flywheel. please help!!
Old 03-14-2006, 02:25 PM
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gmpartsdirect.com should have it.
Old 03-14-2006, 02:46 PM
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Yeah but for the price of a new flywheel you would be better off getting a spec billet steel flywheel
Old 03-14-2006, 03:53 PM
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I got the 17.4lb. steel flywheel from AMS Racing(on eBay) for $150 shipped to go with my SPEC 3. It is AWESOME. I only have 200 miles on the clutch(still on factory hydraulics, too...long story, don't ask, GM slave is on it's way)...absolutely NO chatter.
Old 03-14-2006, 06:40 PM
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Originally Posted by Starz T/A 17
Yeah but for the price of a new flywheel you would be better off getting a spec billet steel flywheel
what about the zo6 flywheel, i want a good setup for drag racing.

also where exactly does the shim go and what is it for????
Old 03-14-2006, 06:43 PM
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Originally Posted by NLinnear
We like to use the stock flywheel for Spec clutches. Make sure to place the provided shim behind the slave when installing.
where does the shim go? i never done an fbody clutch.
Old 03-14-2006, 06:46 PM
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Originally Posted by TroubledWine3
I got the 17.4lb. steel flywheel from AMS Racing(on eBay) for $150 shipped to go with my SPEC 3. It is AWESOME. I only have 200 miles on the clutch(still on factory hydraulics, too...long story, don't ask, GM slave is on it's way)...absolutely NO chatter.
"hey man just wanted to let you kno we got similar setups, have you dynoed ur car? if you have what #'s did you pull??"
Old 03-14-2006, 06:47 PM
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The shim will go behind the slave/throwout bearing that is held on by 2 10mm bolts
Old 03-14-2006, 06:48 PM
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Originally Posted by Pwebbz28
The shim will go behind the slave/throwout bearing that is held on by 2 10mm bolts
on the tranny side or the pressure plate side???
Old 03-14-2006, 08:48 PM
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Originally Posted by mcamarols1
"hey man just wanted to let you kno we got similar setups, have you dynoed ur car? if you have what #'s did you pull??"
333/345 on a mediocre WOT tune.
Old 03-14-2006, 09:06 PM
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Originally Posted by mcamarols1
on the tranny side or the pressure plate side???
on the slave cylinder and it bolts to the tranny
Old 03-16-2006, 06:02 PM
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Originally Posted by TroubledWine3
333/345 on a mediocre WOT tune.
i got 333hp and 352tq on a dynojet thats crazy
Old 03-17-2006, 01:31 AM
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Sounds like you got my car's brother hahaha.
Old 03-17-2006, 08:09 AM
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I'll put in another vote for the AMS billet flywheel. I've got about 20K miles on mine with my Spec 3 and a friend has about the same on his. We both got the flywheels for $125 shipped off of ebay.



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