Join Date: Oct 2012
Location: Batten Roodje
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I think the appeal of dropping in a drum vs doing a full build is the drum is where the vast majority of users have problems. Think about how rarely we hear “well, spun the clutches in 3rd again...” vs threads titled “truck won’t hold 6th gear” or “stuck in limp mode, can’t use OD” or such. There’s already torque limiting in the lower gears, plus with a factory torque converter and no enhanced lockup programming, you’re really not getting near full torque to the input until high rpm 3rd gear at the earliest, and usually not til it locks in 4th. Usually shortly before again unlocking to shift to 5th. Makes sense companies would target not only the most frequent failure point but also one of the easiest things to replace inside the trans - especially since it’s almost a quick R&R component.
Personally it doesn’t make sense to me to replace the drum without doing a full rebuild while you’re already 90% there (especially since an alto clutch kit can be found so cheap, and the GPZs aren’t much more), but if money is that tight I can see the logic behind at least the marketing.
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08 Resistol. Anarchy EFI, 5" TBE, grid delete, fleabay elbow, Sinister coolant filter, Carbonite DP sensor, CSS -4" springs, reverse level, CalTracs, Amsoil bypass filter, Revmax VB/TCM, Mishimoto stock replacement radiator.