Re: 1966 Baldwin Chevelle Motion??
To answer your question in simple form.. three different versions of the Knee-knocker tach to correspond to the three different HP engines available in the 66 SS. The BASE engine was a 396/325hp and if you checked off the option for the GAUGE PKG. (which included the gauges in the dash), you received the KK Tach as part of it, but you could order the KK Tach without the Gauge Pkg. They were sep. RPO's, So, Base engine got the 6000RPM tach, Optional engine was the 396/360hp engine and this bumped the KK tach to 7000 Rpms and the redline was also higher.. and then later in the production year, they offered the 396/375hp engine and the tach was also a 7000 RPM, but the redline was higher than the 360hp version.
Many a 66 SS was delivered to a dealer and got the 427 swap the same day, thus creating the illusion many have, that some 66's came from the factory with a 427! NOT, didn't happen, just dealer swaps and it was not limited to Baldwin.
Nice car, make sure you take MANY Digital pics of this car before anyone starts restoring it.
Mike Crown
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