gravelRX Posted January 27, 2004 Share Posted January 27, 2004 Called Clutchmasters today and talked with Lonnie. I ask him the difference between the two. He put me on hold for a minute and came back and told me that from the mounting surface on the flywheel to the surface that the clutch engages is different by .012 inches. The RX is 0.827 and the XT6 is 0.815. He states that the difference of .012 will not let the XT6 pressure plate clamp fully onto the clutch disc and there MAY be slippage in the RPM range. I have read that some people have used this cluch kit with the EA82 flywheel without problems. I had ScotTM measure the flywheel I had lightened and resurfaced with a micrometer and he can't seem to get a consistent reading. (I'm 40 min. away) From 0.815 to 0.825. Any thoughts from anyone? I could take the flywheel back and have the pressure plate mounting surface milled but .... Hmmm Looking for a bit of input. Regards, Jay Link to comment Share on other sites More sharing options...
GeneralDisorder Posted January 27, 2004 Share Posted January 27, 2004 PM Qman - he's done it. He has an XT6 clutch with an EA82 flywheel on an EA81 mated to a D/R 5 speed. It's in his Brat, and went to the rubicon that way...... I'm sure he could tell you all about slippage if there is any. I've seen it in action - doesn't look like there's any problem to me. GD Link to comment Share on other sites More sharing options...
Subarutex Posted January 27, 2004 Share Posted January 27, 2004 I have an xt6 flywheel and xt6 clutch and pressure plate in my RX. I've only slipped it once (not on purpose) and that was on an extremely hard launch (like redline clutch dump) on dry pavement. Link to comment Share on other sites More sharing options...
Qman Posted January 27, 2004 Share Posted January 27, 2004 Mine is an XT6 flywheel, pressure plate, and disc inside a 5sp D/R behind an EA81HO. This is for the '86 Brat I will be using the EA82 flywheel turned to XT6 specs. Only reason is this flywheel has been lightened. This one will also go inside a 5sp D/R behind an EA81HO. This is for the '85 Brat Link to comment Share on other sites More sharing options...
gravelRX Posted January 27, 2004 Author Share Posted January 27, 2004 By what has been posted, the easiest way to use the XT6 components would be to bring my flywheel into XT6 specs. Anyone using the EA82 flywheel with the XT6 pp and clutch? Thanks for the input. Jay Link to comment Share on other sites More sharing options...
XSNRG Posted January 27, 2004 Share Posted January 27, 2004 12 thou ain't much. I wonder what the wear tolerance is. When the PP contacts the clutch disc, is it fully extended? Or does it have additional travel as the disk wears? When the flywheel is turned, do they turn the PP mounting surface too? Link to comment Share on other sites More sharing options...
gravelRX Posted January 27, 2004 Author Share Posted January 27, 2004 Well, when mine was lightened and the surface turned, the performance shop that did it turned both the clutch surface and the pp surface. guess he gets a bit more business. Jay Link to comment Share on other sites More sharing options...
Dr. RX Posted January 27, 2004 Share Posted January 27, 2004 I'm using a XT6 flywheel and an EA82T clutch assy, works great. Link to comment Share on other sites More sharing options...
Dennis ex24 Posted January 27, 2004 Share Posted January 27, 2004 even the XT6 clutch isnt enough for modded EA82Ts in my opinion, mine will sit and burn through hard launches and i still havent figured out how im going to get around that at the track. its alot better than the stock unit though...ive smoked brand new ones at mild boost levels before with out really trying. Link to comment Share on other sites More sharing options...
ShawnW Posted January 27, 2004 Share Posted January 27, 2004 So what do I tell a machine shop to do to an ea82T flywheel that I am using an XT6 clutch kit on then? Link to comment Share on other sites More sharing options...
gravelRX Posted January 27, 2004 Author Share Posted January 27, 2004 From what I've gathered, you have to ask them to cut .012 off of the pressure plate mounting surface to get the correct depth in the "step" for the clutch disc. XT6= 0.815 Ea82= 0.827 0.012 I learned of these measurements from clutchmasters, I would really like another source to verify it though. Anyone? Regards, Jay Link to comment Share on other sites More sharing options...
WJM Posted January 28, 2004 Share Posted January 28, 2004 I used an EA82T flywheel (to my knowledge), and XT6 (for sure) clutch and pres plate...BUT, my flywheel was lightened and had some other special work done....by the Skip'ster himself. Link to comment Share on other sites More sharing options...
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