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Jim Cimarolli · 12-21-2007, 10:31 AM

Can anyone clarify this for me. In 1957 GM built a Turboglide transmission that was put in passenger cars as an option. A real piece of crap from what I have heard because it was dropped a couple of years later. I do know that it had 3 forward gear selections, L, Gr, and Drive. The Gr standing for Grade. Was this transmission a 3 speed or not?

Thanks Jim

12-21-2007, 10:31 AM	#7
Jim Cimarolli Senior Member Join Date: Mar 2002 Location: Sulphur Springs Texas Posts: 743 Likes: 146 Liked 166 Times in 46 Posts	Re: 3 Speeds Can anyone clarify this for me. In 1957 GM built a Turboglide transmission that was put in passenger cars as an option. A real piece of crap from what I have heard because it was dropped a couple of years later. I do know that it had 3 forward gear selections, L, Gr, and Drive. The Gr standing for Grade. Was this transmission a 3 speed or not? Thanks Jim