Cutting a long story short, I have found someone who is willing to part with a PG1 gearbox fitted with steel caged bearings and the Quaife differential. Apparently it has been removed from a Lotus Exige and is a close ratio box. I enquired about the close-ratio's and how they would compare to a standard PG1 box and basically the fella got back to me and said that the ratios are the same, but 5th gear is slightly longer for more top end (doesn't really matter to me). Apparently the whole gearbox and bell-housing is a straight swap for the one bolted to the ZS 180.
Does this ring right with all of you gearbox experts as I'm blind when it comes to these!?
Here is a picture of the part in question...
*** Quick Edit - as quoted by the seller - "It's a straight swap all you need to change is the clutch fork arm and your speedo drive" ***
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