jakeoster Posted November 3, 2011 Share Posted November 3, 2011 Hey guys, This is kind of a weird question. But when I had my transmission off a while back I noticed that the clutch disk said Nismo on it and I snapped a picture of it and I kind of forgot about it. While I was going through my pictures folder I came across this picture and noticed the part number was visible (RS240). I was mostly interested in what torque it could hold but much to my surprise I found that the clutch disk was part of a kit called Super Copper Mix which includes the disk, reinforced cover, reinforced hardware, bearing, and a lightened flywheel. Is it possible to verify the flywheel by just feel alone without dropping the engine? What would the characteristics of a lightened flywheel on a lightly modified RB25 be? My diff is an r200 out of a 78' 280z with a 3.4 ratio I think, if that would effect the feel of the flywheel. I've never been in, much less driven, a car with a lightened flywheel so I'm not really sure what to look for. Thanks. Quote Link to comment Share on other sites More sharing options...
wrcbonk Posted November 3, 2011 Share Posted November 3, 2011 Jakeoster, I have driven and revved (from standstill) an L-series with a lightened flywheel. The engine wraps up incredibly fast. Your application has boost, which I assume causes a similar effect. I wouldn't know my rb swap is still jackstand racing:( Bill Quote Link to comment Share on other sites More sharing options...
jakeoster Posted November 4, 2011 Author Share Posted November 4, 2011 Hmm, I need to find someone that has one so I can compare haha Quote Link to comment Share on other sites More sharing options...
ZT-R Posted November 4, 2011 Share Posted November 4, 2011 I noticed a difference in revs when i swapped my clutch and fly for the carbonetic twin disk Quote Link to comment Share on other sites More sharing options...
Evan Purple240zt Posted November 4, 2011 Share Posted November 4, 2011 You have a picture of it? I wonder if you can identify it through the hole where the starter mounts. I had a lightweight flywheel on my motor and it did look quite a bit different than the OEM one. Quote Link to comment Share on other sites More sharing options...
S30rb25 Posted November 4, 2011 Share Posted November 4, 2011 I found this at rhd Japan The NISMO Super Coppermix Single Plate Clutch High Power Spec SR RB is the high power spec type of Super Coppermix which can handle 420ps. The great thing about the NISMO clutches are that they are very high performance products, but keep their everyday driving comfort. The NISMO Super Coppermix Single Clutch uses a 240mm size damperless disc and aluminum cover combination to improve the overall cooling performance of the set up as well as the transmission. A lightweight flywheel is equipped which is made of special chromoly to achieve the ideal weight for maximum torque. The clutch cover is made from a special aluminum with a high heat-radiating ability. Quote Link to comment Share on other sites More sharing options...
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