tractorboy,did you make sure the clutch disc slides on the extended splines.Another option would be,grind the surface of the splined hub on the disc.You want to grind on the side that faces the transmission.I extended my splines and ground my disc.I have pictures of both on this site.I believe they are on the second page of the hipo section.

1951 3100 Chevrolet
1951 Chevrolet Suburban Carryall
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