 Hydra-matic 6-speed RWD Planetary MANUAL transmission from GM |
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 May 10 2006, 03:34 PM
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#1
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Member  Group: Advanced Members Posts: 64 Joined: 25-February 04 Member No.: 250  |
http://media.gm.com/division/2004_prodinfo...tary_manual.pdf
Weird? I hope they arrage the gates so that its hard to shift to reverse or "park" by accident... |
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May 10 2006, 03:38 PM
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#2
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Advanced Member Group: Advanced Members Posts: 813 Joined: 21-January 04 From: Santa Barbara, CA Member No.: 141 |
Interesting. I wonder what the purpose of a dedicated "Park" position on a manual transmission is. I've been using first for the last 20 years without issue.
Jason |
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May 10 2006, 04:28 PM
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#3
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Member Group: Advanced Members Posts: 239 Joined: 18-July 04 From: Columbus, Ohio Member No.: 410 |
Forgive the stupid question, but what's the benefit over a T-56 or similar unit?
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May 10 2006, 04:41 PM
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#4
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Advanced Member Group: Advanced Members Posts: 440 Joined: 25-December 03 From: Newport Beach, California Member No.: 41 |
finally! i've been wanting a parking gear on my manual tranny for SOOOO LONg!! i'm glad somebody finally enginerd'it
This post has been edited by prockbp: May 10 2006, 04:42 PM |
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May 10 2006, 04:47 PM
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#5
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Collo Rosso Group: Advanced Members Posts: 1,220 Joined: 3-August 05 From: San Antonio, TX Member No.: 839 |
I think lenco drag racing transmissions are planetary. Maybe it's stronger than the typical 2 or 3 row setup? (IMG:http://www.frrax.com/rrforum/style_emoticons/default/unsure.gif)
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May 10 2006, 04:48 PM
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#6
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Experienced Member Group: Advanced Members Posts: 1,427 Joined: 12-February 04 From: Huntingtown, MD Member No.: 193 |
QUOTE Forgive the stupid question, but what's the benefit over a T-56 or similar unit? It should be stronger, cheaper, and heavier. I'm geussing that GM is tired of giving profits away to suppliers, when they can make tranmissions too. Designing a transmission case that will not flex and is not too heavy is hard. They are probably using the auto case becuase they have already done the R&D on it and it will fit in everything that the auto fits into. |
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May 11 2006, 03:47 PM
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#7
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Advanced Member Group: Advanced Members Posts: 902 Joined: 27-January 04 From: Magnolia, Tx. Member No.: 160 |
Why do you think it'd be heavier necessarily? If planetary gearsets are stronger, then shouldnt it be lighter for the same torque rating?
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May 11 2006, 03:57 PM
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#8
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Experienced Member Group: Advanced Members Posts: 1,427 Joined: 12-February 04 From: Huntingtown, MD Member No.: 193 |
I think it will be heaver because if they have a park position then they I "geuss" they are keeping everything for the parking claw, so that is all extra weight. Plus automatic cases usually thicker then manual ones, so the auto case will probably be heavier then true manual case. Of course wait til it comes out and weight it to be sure.
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May 11 2006, 04:04 PM
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#9
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Collo Rosso Group: Advanced Members Posts: 1,220 Joined: 3-August 05 From: San Antonio, TX Member No.: 839 |
Someone on a different list postulated that the "P" position would be to facilitate remote engine start on manual transmission vehicles. Poopoo if you wish but I think it makes a lot of sense.
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May 11 2006, 04:39 PM
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#10
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Member Group: Advanced Members Posts: 64 Joined: 25-February 04 Member No.: 250 |
QUOTE (BigEnos @ May 11 2006, 11:04 AM)  Someone on a different list postulated that the "P" position would be to facilitate remote engine start on manual transmission vehicles. Poopoo if you wish but I think it makes a lot of sense. I remember reading the C6 Corvette's won't let you open the push button doors unless the manual trans is in reverse, and I think even the car off.. Never sat in one yet to confirm this though.. Put a "p" position in this case, kinda makes sense. Although IMO, I just wish the C6 would just have normal door handles. |
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May 11 2006, 05:50 PM
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#11
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Experienced Member Group: Advanced Members Posts: 1,427 Joined: 12-February 04 From: Huntingtown, MD Member No.: 193 |
It will be interesting how this turns out. If the manuals and automatics share the same case then GM should be able to offer a manual trans in anything that can take the automatic. I still think this is a great move from a cost cutting stand point if GM can pull it off. I like it from a trans swap stand point for older cars too.
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