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Showing results for tags '4speed'.
So I’ve searched all over and can’t seem to get a straight answer to what I’m experiencing. So I have a Black Bear Tuned 03 GMC Sierra 1500HD with the 4L80E 4 Speed Automatic transmission with the ability to Manually shift 1-2-3. My understanding is that when I Manually shift it down into 1st gear it’s suppose to lock it into 1st gear so it revs up way higher and engine brakes to slow down but does not shift until I manually shift up to 2 or 3 or put it back in Drive. Well when I lock it into 1st gear, the revs are much higher but it still automatically shifts to 2nd gear once I get close to 25-30mph even though I have 1st gear selected. Is Manual shift lock not working for me? Has anyone else experienced this? I just don’t get the point of manual shifting if it’s still gonna shift up automatically anyway Thanks for any input!
i just recently purchased a 78 chevy step side 3 quarter ton, it has a 350 turbo transmission in it right now with a 3 speed b&m shifter, the truck used to have a manual transmission in it and I'm looking to switch it back. It has a 350 small block in it, almost brand new. Im looking for something suitable to get me around from work and back, but still be fun to drag when I don't have the ladders in the back. need to know the parts i need, and a list of trannys i could choose from i heard the super T10 was a good one?