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Old 05-09-2012, 04:23 PM   #1
cndbx
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What years did corvettes come with the T10s
AND WERE THERE EVER A OPTION THAT CAME WITH A BORG wARNER TRANS WITH A GLIDE ATTACHED 4PLUS2 ?
OR SOMETHING OF THAT NATURE
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Old 05-09-2012, 04:58 PM   #2
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Quote:
Originally Posted by cndbx View Post
What years did corvettes come with the T10s
AND WERE THERE EVER A OPTION THAT CAME WITH A BORG wARNER TRANS WITH A GLIDE ATTACHED 4PLUS2 ?
OR SOMETHING OF THAT NATURE
See this thread from long ago.
Looks like the Doug Nash 4+3 used from 1984-88 was also based on the T10.

http://forums.corvetteforum.com/c3-t...er-t-10-a.html
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Old 05-09-2012, 05:00 PM   #3
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74 and later Vettes had GM specs T10 transmissions. I won't call them "super" because the gearsets weren't the special high nickle gears used in aftermarket Super T10s.
The C4 Vette had a 4+3 overdrive transmission designed by Doug Nash that used an auxillary planetary gearset like an auto transmission uses. The 4 speed section of the 4+3, is basically a GM T10 transmission.
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Old 05-10-2012, 08:48 AM   #4
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I had a 4 plus 3 tranny in an 85 Corvette I owned a few years ago. Essentially a Borg Warner T-10, 4 speed coupled to a Doug Nash overdrive unit. It's design was flawed and problematic. 2nd, 3rd and 4th gears had overdrive which widened the gear ratio. It made for lower RPM cruising on the highway. Most that owned them switched them out for 5 or 6 speeds. Parts are hard to come by and nobody knows how or wants to work on them.
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