Originally Posted by HemiLonestar
Laws and limiters. Every vehicle built in the US in the 80's (including my father's 82 vette) was fitted with an 85 mph speedo. Of course 5.0 Mustangs, Grand Nationals & Corvettes could go faster than that (in some cases not by much) but that's what the law was.
my 87 daytona had a 125 speedo, my 92 iroc rt has a 160 and ive done 155 in mine