SST A41Tremec 4spd. Automatic w/383 anybody ?

wish4hemi said
You can use a calculator to figure out what your RPM will be at cruising speed. This one has the 30% overdrive calculated into it: Engine RPM Calculator | Spicer Parts

Nice, the 323 seem to be a good fit, 1,872 rpm @ 60 mph, (if I entered it right?). Thanks wish4hemi!