Try the obvious "google' search..and then check out the "Z" webring...as
thre is a stack of info on these cars out there...
I own an original ( 70,000kms ) 280ZX 2+2... so I'm not that up with the
tech specs on the 240z....but love 'm just the same.. :)

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cheers,
Brian Canham
> My 71 240 with an automatic transmission was manufactured in Oct
> 1970. If my research is correct, that is the first month they made
> 240's with automatics. Anyone know what serial number was the first
> with an automatic or where i can find out how far down the line mine
> is? My cars serial number is just under 15000.