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I was rushed to pick up my Vette and my installer didn''t have time to realy tweak the part throttle shifts.
While driving it home I found them to be a little harsh and low for my taste so the next day I simply moved the TV cable a few clicks toward the TB and part throttle shift points and firmness was perfect though it still wags the tail nicely on the 1-2 shift at WOT.
Hence, I feel it was one of the best mods done to my Vette to date.
As far as the newer transmissions, I don't really know. But, for the older TH400, I did have a shift kit put in when I had mine rebuilt. When I took the trans in and told them I wanted a shift kit, they said that each kit came with the possibility of 3 different settings, and they recommended the middle setting for the street. Being as intelligent as a soap dish about auto trans, I followed their suggestion and was completely satisfied. The shifts are extremely firm and will chirp the tires on a 72 from 1st to 2nd. You do notice the firmness, but it is not something that you can't live with.
I heard for daily drivers, the shifting is hard and can get quite annoying. That's pretty much the only reason I'm not getting it installed.
blah! In my '97 Trans Am (same transmission as these right?), I had a shift kit installed, a decently firm one and my God it felt like it was actually doing it's job. On top of that I then did the "firm shift" option on the Hypertech Programmer I had and my friends were all convinced I had a modified manual until they actually looked. Thing chriped in damn near every gear and those riding shotgun got a little jerk at each shift :D Even rolling when it shifted you could feel it, I LOVED IT!
[QUOTE] simply moved the TV cable a few clicks toward the TB and part throttle shift points and firmness was perfect though it still wags the tail nicely on the 1-2 shift at WOT.
I GOT ONE ON MY AUTO 86. NICE CRISP SHIFTS, JUST LIKE IT LIKE IT. JERKS MY HEAD WHEN IT SHIFTS. FEELS MUCH BETTER. VERY PLEASED WITH IT.