About 150-155 if you have 26 inch tires. If you were going off the dash tachometer you were most likely going a tad slower. Most factory tachometers are off and read a couple hundred rpm higher than a reliable Autometer.
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1988 Mustang GT
11.8 @ 123 (7/14/01)
1992 BadAzz Wrangler
1993 Explorer
See my car at:
www.mustangworks.com/cgi-bin/moi-display.cgi?179