how many different engine sizes were made in the 66 Impala SS. 327, 350, 396, 400 etc...
According to wikipedia there was. Here is what it says "396 265bhp-425bhp Turbo Jet V8 (mid-1965 to 1969)"
I had a 66 ss 396...425bhp...to tell if 396 is 425bhp...look at the starter, 4 bolts hold it in place
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