I've always wondered if having first shifted with the "wrong" hand might make transition to RHD easier. Apparently it doesn't matter.
Good news if I ever decide to chase some JDM imports...Nissan Paos intrigue me, among other things. Or go British-ish and find a Lotus Carlton
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'97 Honda Civic DX Coupe 5MT - dead 2/23
'00 Echo - dead 2/17
'14 Chrysler Town + Country - My DD, for now
'67 Mustang Convertible - gone 1/17