No way would I run 4.56 cogs with your engine/trans combo,Jim. It would be overgeared a bunch. Even 3.73's are a marginal highway gear. For a little more money,install a 200R4 or 700R4 with your present rear. Best of both worlds. Clint Hooper H&H Custom,owner 1969 El Camino ProTourer 2001 H-D FLHR custom bagger http://dalesplace.com/misc/friends/clint/clint_hooper.htm ----- Original Message ----- To: "The Chevelle Mailing List" <Chevelle-list@chevelles.net>
> OK folks, > I have the opportunity to use 3.73 or 4.56 gears in > the 10-bolt posi I'm going to put in the '66. The car > has a 300+/-HP 327 and PG. Anyone have any thoughts > or previous experience with the 4.56 gears and the > PG/small block setup? > I drive the car to local shows, and want to be able to > take it to Cecil on occasion. A relative told me to > do the 4.56s and nothing less, thus my indecision. > Thanks, > Jim
