The damper I have on my cast crank 225 SL6 is much thicker than the forged crank damper on my '72. Why is that? How can I get the pulley off of the front of the forged damper? Maybe that is the difference? The cast crank damper has a pulley slot built-in and the forged crank has a pulley mounted on the front of it.

bwhitejr

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'72 Duster (Performance 360)
'83 Ramcharger (Performance 318)
'80 TrailDuster (360)
'80 D-150 Truck (See Below)
CompCams 252S, Holley 390cfm, Offy manifold
Ported, Polished and Gasket Matched
P4286813 Springs,0.040 Overbore,
0.090 Shaved Head

All the slant-6 dampers have a pulley cut into the outer ring member of the damper unit. The front and/or rear pulleys (for power steering and A/C comperssor drive, respectively) bolt onto the single-groove damper with three bolts each.

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