Join Date: May 2013
Location: NYS (not NYC)
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Attn: Guys who have installed a S.B. or Valair single mass flywheel.
Do either or both of these companies retain the stock driveplate on the back of the crank? Or do they eliminate it and use a spacer behind their SMF?
I have removed three Single mass/ dual disk kits from customers trucks at my job, and all three had a 3/4" spacer and long bolts going thru the flywheel then the spacer and directly into the crank.
Since I did not install these kits, I'm unsure which brands they were.
I'm not keen on putting a spacer in when it comes time to replace my clutch, I'd rather retain the stock driveplate / flexplate setup.
The last kit we installed was made by "Perfection" and it included a SMF flywheel that attached just like stock. It seemed nice, but time will tell how it lasts.
2012 3500, Dually, 4X4, G56, reg cab, Smarty, Severe duty fuel filter kit, Moog tie rod ends & torklift stabiloads, Ford/Dana 60 manual locking hubs, Dynatrac/EMF balljoints.