All speedometers are calibrated for 1000 revs pr mile. It should be the same reading regardless of the maximin speed of the head. This was true up into the 1980,s. I,m not shure after that or Imports.


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
In the Gallery Forum