For forums try
zcar.com
twinturbo.net
300zxclub.com
For sites to buy parts
ConceptZperformance.com <------- In my opinion the best place for parts, I've spent about 10k with Coz in the last year with ZERO problems
specialtyz.com
importpartspro.com
z1motorsports.com <---- wouldn't buy lawnmower parts from them
There's plenty more but these are the main ones
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Originally Posted by Automobile Magazine
The 300ZX Turbo is a dance; it's a song; it's rolling, roaring automotive art. There is no color that doesn't suit it. There is no mood-lifting chemical substance it can't replace.