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i really dont know, we put a b&m shift kit in my dads camaro, and it gave every thing you need in the kit and told you everything you had to do, and one of my dads friends knows how to make a redneck shiftkit on just about every transmission, and he made one on the transmission on this old diesel truck my dad use to drive, but i dont know what he done to it.
Yes you do both. You have to remove a couple of springs and put in plugs and replace one of the plates inside of the valvebody and you have to drill a couple of holes in it depending on your application.
I put a B&M shift kit in a 79 cutlass and went with the "steet/strip" setting.. easy install, and HARD shifts... BARK the tires HARD..and that was with the 305ci.engine.
I seem to remember that the more torq you have the harder the shifts..
ALSO be carfull of the BRAND you use,, the cheap ones rob pressure from one area to supply it to another..BAD..
I have a Trans-Go in my truck and I like it....
From my experience and reading here, hard firm shifts will be great for the tranny.
My experience in heavy trucks tells me the hard shifts will not be as great for the driveline though.
Hard shifts in a 3000 pound car is one thing, in a 7000+ pound truck other factors come into play like U joints and driveshafts.
Exactly correct. Thats why the medium setting is usually used for the towing or fleet vehicles because thats the best setting for clutch live verses drive train life. Everything is a trade off. If you have the shift firmness so high that it breaks the tires loose on every shift, well that might be OK for when the truck is empty, but....what happens when its loaded with 5000lbs of sand/gravel. Something has to give, and it could be a yoke on the drive shaft, or maybe a shaft inside the transmission. In most cases it seems to be the drive shaft that takes the brunt of it.