66 uses a direct reading gauge. I doubt they are accurately calibrated, esp after 45 yrs. Mine pegs when cold also, & my engine has many miles. I'd worry about something else.


My \'64\'s in the Gallery
Pictures in my Photobucket
1964 C10 Custom Cab 350/700R4
1964 Suburban 350/700R4
1979 Ford F350 4x4 400/c6