"Dad" > wrote in message

> Interesting, the spec's for that era corvette only shows the top speed
> of the L71 at 142 in 1968 and the 1971 LS6 (a $1221 option on a $5500
> car) just getting to 150. What did you guys do to them to get that
> kind of speed?

You can put the sarcasm stick away. I made it clear in my post that I knew
that the tire profile accounted for some percentage of error at the speedo.
R.I.F.

-W