Manual Transmission T56 | T5 | MN12 | Clutches | Hydraulics | Shifters

future of shifting for T56?

Old 01-23-2015, 02:11 PM
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good find
Old 01-23-2015, 02:25 PM
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From watching the video the thing works pretty damn well. Combine that with a dog-ring box and you'll really have something there.

Andrew
Old 01-23-2015, 02:37 PM
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The expense of the dog setup is offputting.

But faceplating is relatively cheap.
Old 01-23-2015, 02:43 PM
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Originally Posted by stevieturbo
The expense of the dog setup is offputting.

But faceplating is relatively cheap.
Faceplating = dogring.

Liberty performs the "faceplating" procedure on stock gears by removing the synchros and replacing them with "dog rings."

Other companies (PPG, G-Force) offer custom gears, input and main shafts that already have dog-rings on them. This is the expensive option but can handle a lot more power.

Andrew
Old 01-23-2015, 02:47 PM
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You can call them the same, but physically they are different styles, as is their proshift.

Overall operation will be fairly similar though.

And as long as the welding process for the faceplating etc is robust, then they OEM T56 gears are well proven for their strength.
Value for money they are hard to beat.

I only got mine done late last year, so only have limited mileage on them. I'll be pissed if it breaks though !
Old 01-23-2015, 03:01 PM
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Originally Posted by stevieturbo
You can call them the same, but physically they are different styles, as is their proshift.

Overall operation will be fairly similar though.

And as long as the welding process for the faceplating etc is robust, then they OEM T56 gears are well proven for their strength.
Value for money they are hard to beat.

I only got mine done late last year, so only have limited mileage on them. I'll be pissed if it breaks though !
Once again, faceplating = dog ring engagement. Pro-shifting is another animal.

Here is a Liberty faceplated TKO 600:



Look at the "dogs" on the gears and sliders.

Now look at the PPG parts:



Same exact design...

Here is a Richmond 6 sod that was done by Liberty:



The picture above is great because you can see 5th and 6th gears on the right that still use synchronizers, so you can see the difference.

You are conflating design, with cost, with value. The difference in cost comes from the amount of custom parts needed. The Liberty mod uses stock gears, while the PPG gear set includes a bunch of gears, shafts, etc...hence the higher price and higher torque rating. I am not knocking the Liberty set-up at all. I had one of their dog-ring T56s in 2006...

Andrew
Old 01-23-2015, 03:46 PM
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I know exactly what the differences are, and the designs are clear to see.

But cost matters, especially when T56 gear strength is already well proven.

It just makes aftermarket gears hard tjustify.

Take g force....they're expensive too and have their fair share of failures...you'd need to be damn sure any other setx were strong.
Old 01-23-2015, 04:53 PM
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Originally Posted by Project GatTagO
Just to clarify. Even the Holinger, Emco, PPG, or any other dog-ring transmission must somehow unload the input shaft before making a shift up or down. The design of the dog-rings is such that under load, the dogs are locked together and if you try to shift under power, you will destroy the transmission in short order, no matter who makes it.
OBVIOUSLY!!

Yes, even the strongest and most costly multi-million buck sequentials on the planet (in F1) MUST cut power to shift and survive (hence that explosive crash sound every time they up shift, at least on the older, NA formula ones).

I was just hyped about not having to use the clutch on shifts, and as you've also stated about the wear and maintenance involved with a true sequential, especially on a daily driven, used in stop and go traffic one.
Old 01-23-2015, 06:13 PM
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Originally Posted by stevieturbo
I know exactly what the differences are, and the designs are clear to see.

But cost matters, especially when T56 gear strength is already well proven.

It just makes aftermarket gears hard tjustify.

Take g force....they're expensive too and have their fair share of failures...you'd need to be damn sure any other setx were strong.
I promise, I am not being an *******. If there are differences between what Liberty does and what any other dog ring transmission does, in terms of gear engagement, please tell me. To be clear, I am not talking about gear strength, cost, value, or anything else. If there is a difference in actual shifting operation, I would like to learn what it is.

Andrew
Old 01-23-2015, 06:16 PM
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Originally Posted by dailydriver
OBVIOUSLY!!

.....
Not so obviously to people that don't understand how this **** works. ...

Andrew
Old 01-24-2015, 03:55 AM
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Originally Posted by Project GatTagO
I promise, I am not being an *******. If there are differences between what Liberty does and what any other dog ring transmission does, in terms of gear engagement, please tell me. To be clear, I am not talking about gear strength, cost, value, or anything else. If there is a difference in actual shifting operation, I would like to learn what it is.

Andrew
I never said operation was different, I said it was the same

But the physical makeup of the shift parts is different, the number of dogs, their spacing and basic design.

In some ways from a wear/tear perspective the FP is better as when worn, they could be cut off and new parts welded on.

With a conventional dog setup, the gear with the integrated dogs will need replaced.

So maintenance would also be cheaper with the FP setup.
Old 01-25-2015, 01:04 PM
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I still think that it's cool to convert from an H-pattern to a sequential, even if I still have to use the clutch exactly the same.
Old 01-25-2015, 02:50 PM
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Originally Posted by The Alchemist
I still think that it's cool to convert from an H-pattern to a sequential, even if I still have to use the clutch exactly the same.
Same here, and one could always upgrade to a sequentially functioning box (Of WHATEVER type) in the future.
Old 01-25-2015, 05:37 PM
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Originally Posted by The Alchemist
I still think that it's cool to convert from an H-pattern to a sequential, even if I still have to use the clutch exactly the same.
They definitely are cool bits of machinery.

But I'd still, say for a daily driver, it would be annoying. It's nice in traffic etc to sometimes to drop into neutral, or miss the odd gear or two.

But with the sequential, you must always go up down through gears, you cant miss any. Obviously you dont need to release the clutch each time, but each gear physically needs to be selected before moving to the next.
Old 01-26-2015, 09:57 AM
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Would be great in when I'm racing the car but having to push clutch in drive the car evade the retarded driver and remember what gear im in, I would be hesistant on popping the clutch when downshifting in case I went to far, and I have 3 stick cars and would be confused when I drive one with this shifter and then the other, would like it more if it could light say have a light to see what gear its in when I'm daily driving my car
Old 01-26-2015, 12:02 PM
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Some sequential shifters have a digital readout as an option.
Old 01-26-2015, 12:19 PM
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They will offer a display option, it's in the video.
Old 01-26-2015, 12:20 PM
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All sequentials need to have a gear display, and as expected so does this one as the posted video clearly shows.
Old 01-26-2015, 12:22 PM
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http://www.s1sequential.com/gear-indicator/
Old 02-25-2015, 11:41 AM
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According to the FB page, $2700 at current exchange rates plus shipping from Australia. It's unclear if that price includes the load cell or display. Holy hell.

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