This is an old thread and i felt sorry for it left laying on the cold shed floor all alone so giving it some CPR here.
I have put 3 clutches in my 2008 and currently on 320,000 km , the first two were standard aftermarkets as carried by Bursons or equivalent.
This time i upgraded the 260 mm flywheel and clutch to a 275 Exedy Safari Tuff.
I carry a bit of weight in the back and tow a 1200 kg trailer sometimes but the standard ones shouldn't die so quick !
One thing i noticed when pulling out the last clutch was when i loosened off the pressure plate bolts is there was less than 1 mm of preload in the spring pack , the clutch plate was 7.9 mm thick so it had not worn down that much , yet it was slipping atrociously after a third party had the vehicle for a week
.
By comparison the new Exedy clutch has 5 mm preload gap when the bolts are finger tight.
Exedy claim 25 % more torque capacity from the Safari clutch and hopefully the increased plate area in the 275 mm will be another 20 % plus.
*** One suggestion i have is if guys get their flywheel machined , the correct depth from shoulder to face is 4.2 mm and the shoulder should be machined down the same amount as the face***
If i had the luxury of time to play around with one , i would experiment by machining the shoulder down more so the shoulder to face depth was only 3.2 mm for example giving more spring preload , this however would need testing and evaluating by someone who has the time and the hoist to test this theory out.