Broken Marelli Timing Disc

[xjsv12coupe]

@Paul_M_Novak
yes the Marelli cars are equiped also with bigger alternators, and this add some load on the damper

@patbarbermi glad I could help
your damper seems to have been really shot : the movement could be a factor in the timing disk break

Your new damper pulley is a multiple micro V ?
this may be good news to me, as I’ve been looking for the replacement part for my car, and the 6.0L seem to have a different part number, as they do without the centering shims

this confirms baxtor’s experience shared on my thread about 6.0 harmonic damper

V12 crank damper for 6.0L

As far as l am aware, the xjs used the same bolt on v belt pulley for accessories all the way through to end. The single v belt for compressor is normal. The change between v belt and polyvee only applies to the single (alternator only) drive on the damper itself.

I sourced a 5.3 harmonic damper, but it’s an older one, so has a single V pulley.
getting the ebay part would give me a better option, provided I can get the missing shims (supposed to come with the 2nd hand part, they were missing, but are on my way)