Same liners, just bore them out, no need to take the block as already suggested,
only the liners.
> Seems to me you could just bore the existing liners out to fit the 87mm's. I
> don't think the liners differ in any way other than the bore. Maybe someone
> else on the list can confirm this?
> Ken Nuelle
> 58 TR3A (86 mm)
> 62 TR3B (83 mm)
> 64 TR4 (86 mm)
> << A compression check confirmed my fears about the state of rings on my
> TR3 [110, 130, 80, 130]. I have a set of 87 mm pistons that I would like
> to use as long as the 83 mm pistons have to come out anyway, but alas,
> no liners. If anyone has a set of liners [or even one or two]- he would
> like to sell or trade, please reply off list.