MM569457 Posted July 21, 2022 Share #1 Posted July 21, 2022 Good evening, trying to install this XTD clutch. 6 of 9 bolts line up. Is this normal for after market pressure plates or is this a part that needs all 9 bolts. I’ve tried researching the part number and haven’t found anything relating to it or if it is for Datsun Zs. Link to comment https://www.classiczcars.com/topic/67668-xtd-clutch-bolt-alignment/ Share on other sites More sharing options...
zKars Posted July 22, 2022 Share #2 Posted July 22, 2022 (edited) 225mm Z clutches use 6 bolts, 240mm clutches use 9. What is the diameter of the friction surface on that flywheel? Is it stock? Can’t say I’ve ever tried to put a 225mm pressure plate on a 240mm flywheel to see what bolts line up. Should go do that Edited July 22, 2022 by zKars 1 Link to comment https://www.classiczcars.com/topic/67668-xtd-clutch-bolt-alignment/#findComment-642739 Share on other sites More sharing options...
MM569457 Posted July 22, 2022 Author Share #3 Posted July 22, 2022 It’s not stock. Link to comment https://www.classiczcars.com/topic/67668-xtd-clutch-bolt-alignment/#findComment-642742 Share on other sites More sharing options...
MM569457 Posted July 22, 2022 Author Share #4 Posted July 22, 2022 6 of the 9 line up. Link to comment https://www.classiczcars.com/topic/67668-xtd-clutch-bolt-alignment/#findComment-642743 Share on other sites More sharing options...
Yarb Posted July 22, 2022 Share #5 Posted July 22, 2022 Appears something’s not right here. Link to comment https://www.classiczcars.com/topic/67668-xtd-clutch-bolt-alignment/#findComment-642750 Share on other sites More sharing options...
jonbill Posted July 22, 2022 Share #6 Posted July 22, 2022 what was the clutch sold as for? I have a XTD RB25 clutch and flywheel in my Z and the bolts and dowels only line up in one position. (i. e. no rotational symmetry). 1 Link to comment https://www.classiczcars.com/topic/67668-xtd-clutch-bolt-alignment/#findComment-642751 Share on other sites More sharing options...
MM569457 Posted July 22, 2022 Author Share #7 Posted July 22, 2022 280ZX. I hate having parts order 10-15 years ago and finally doing the build. I believe my flywheel is 225mm and clutch is 240mm. are there any issues with mating them togethe? Link to comment https://www.classiczcars.com/topic/67668-xtd-clutch-bolt-alignment/#findComment-642773 Share on other sites More sharing options...
jonbill Posted July 22, 2022 Share #8 Posted July 22, 2022 (edited) you'll need a new clutch release collar to match the clutch (assuming your old clutch is 225mm) might be better off getting a 240mm flywheel too. Edited July 22, 2022 by jonbill Link to comment https://www.classiczcars.com/topic/67668-xtd-clutch-bolt-alignment/#findComment-642774 Share on other sites More sharing options...
MM569457 Posted July 22, 2022 Author Share #9 Posted July 22, 2022 Just measured both the pressure plate and friction plate off the flywheel. Both are in the ballpark of 226mm-228mm Link to comment https://www.classiczcars.com/topic/67668-xtd-clutch-bolt-alignment/#findComment-642778 Share on other sites More sharing options...
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