Roy Witt wrote in a message to Jack Schwendener:
 RW> They used the same carburators as the rest of the line. Just
 RW> depended on the HP rating.  The tri-power didnt' come until 1967 on
 RW> the 427, I think. 
 RW> Before that, the only other 3 duece I remember was on the 348's in
 RW> 58 and 59, maybe 60...
Maybe on Chevy's, but I believe the '57 Olds with a J-2 engine had 3-2's and 
I think the '66 goat with a 389 had 3-2's (but it may have been the '67's)
Gerry
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