Patent ID: 6920970

Claim:
A high performance POWERGLIDE clutch assembly for replacement of the original equipment clutch assembly within a POWERGLIDE transmission, wherein the original equipment clutch assembly includes a clutch drum, a clutch hub, a clutch piston subassembly, and a clutch pack having four friction disks and five steel disks, said high performance clutch assembly comprising: a high performance POWERGLIDE clutch pack including up to ten friction disks stacked in face-to-face relation with up to eleven steel disks, said high performance POWERGLIDE clutch pack having an increased axial length in comparison to the original equipment POWERGLIDE clutch pack; a high performance POWERGLIDE clutch hub including weight reducing means for receiving said high performance POWERGLIDE clutch pack thereon; a high performance POWERGLIDE clutch drum including a primary set of axial grooves having an increased length in comparison to the original equipment POWERGLIDE clutch drum, said axial grooves engaging a plurality of mating tabs formed on each of said up to eleven steel disks, said POWERGLIDE clutch drum also including weight reducing means comprising a secondary set of axial grooves disposed in parallel, spaced apart relation to said primary set of axial grooves at a position rotated 15 degrees about the center axis of said high performance POWERGLIDE clutch drum and located intermediate said primary set of grooves for receiving said high performance POWERGLIDE clutch hub and said high performance POWERGLIDE clutch pack therein; a high performance POWERGLIDE clutch piston subassembly including a high performance POWERGLIDE clutch piston disposed within said high performance POWERGLIDE clutch drum functioning to alternately compress and release said high performance POWERGLIDE clutch pack to actuate the clutch assembly; and a pressure plate for retaining said high performance POWERGLIDE clutch pack, said high performance POWERGLIDE clutch hub, and said high performance POWERGLIDE clutch piston assembly in position within said high performance POWERGLIDE clutch drum.