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Discussion Starter · #1 ·
So not that my engine is out of my car, I'm really tempted to get a new clutch and flywheel. The clutch needs to be replaced anyway. My question to all of you is what are the benifits/drawbacks of a lighter flywheel. Also, how light is too light for the street? I've seen light flywheels all the way down to 6.5 lbs or somethin like that. And if you have any brands to reccomend or to stay away from that would help too. Thanks.
 

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When I replaced my clutch, I picked up a fidanza 8.5 lb flywheel. It will make your engine rev a little faster that Ive noticed. Is it really necessary for the street? Probably not, but I got it for a good deal. If your flywheel is bad, you could get it resurfaced, or you could pick up a light one, its up to you.
 

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I personally have an ACT streetlite 12 pounder with a ACT HDSS clutch kit (both for a Z6, slightly larger clutch). I love my setup, revs nicely and isn't too hard to engage, and never slips on me. Stef and Marty are both using an Exedy kit with a OEM replacement clutch for the CRX with the Exedy 11 pound flywheel, and I also like that. One of my friends had a Clutchmaster stage 3 and a Fidanza 8 pound (I think) in his Z6-powered EF hatch (now boosted). That's about all I've personally used on an ED/EF.

On my sister's car, a second gen Mazda MX6 V6, I put in a 9 pound Fidanza (down from a 28 pound stocker!) and a stage 2 Clutchmasters kit, I like that one too, but the V6 has a bit of torque and doesn't seem to have problems engaging. She learned stick on that clutch.

A few of my friend's have used centerforce and I haven't heard of anyone who didn't have complaints about them on many different cars, so I would stay clear of them.
 

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Be careful on the name brand.
A flywheel is no part that I'd scrimp on amigo.
Ever seen a flywheel shatter? Its ugly.
Please stick with a well known company and you will be rewarded.
I run a ACT prolite flywheel and love it.My boosted mini-me setup spools fast and consistantly.
 

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Discussion Starter · #8 ·
Thats the one i'm looking at. I understand about them shatering. Actualy, i'm looking into the ATC one. I've just herd that if you go too light, then you can start to have problems.
 

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I have a 11.9 lb ACT streetlite with my DOHC ZC, and I really like it. Its not nessicarly that it revs quicker when its in gear, but when you blip the throttle to downshift it really helps. Revs climb like crazy when in neutral\clutch in, so you only need touch it for a second. The only thing that I dont like about it is it makes the throttle sensitive, but you get used to it. I think anything lower than 12 lbs gets a little touchy, but thats me.
 

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I got a lightened flywheel on my B16 and soon on my built GSR. It works awesome. I usually recommend them to everyone I do swaps (aswell as a new clutch). A good clutch and a lightened flywheel really make a nice setup. Engine has better response, better capability in revving and will have a slightly faster climb when in FOT. Downside is the revs fall just as fast and they don't stay there, once you release the clutch the revs start to fall instant in some cases. Unsprung/sprung mass tends to do that tho.
 
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