I know this post is 5 years old but how many of you (if any) would change their vote to the new TKX 5 speed?
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1966 Chevelle with 217 ci, 4 cam V6, 6 speed auto, full Hotchkis suspension, Wilwood discs all around. Built for smooth, quiet handling and max MPG.
IMO and strictly my opinion.. I think the step from the 1:1 4th to the .68 5th is a bit much and could bog the rpm down too low. I think the smaller step from 1:1 4th to the .80 5th then the .63 6th is a better transition. Granted, most of us wouldn't see the use of 6th very often but would definitely use that 5th .80, .. Again, just my thoughts