my first nav was a 86 single cab z20 had 250 000 kms perfect inside and out
then my black 89 king cab z24 had 355 064 when it threw a rod threw the side of the block
had a 90 dual cab 345 000 on it blew head after 2 days of owning it
last 92 king cab had 552 736 beforei sold it origanel motor...