Re: GF-5R...Educate me.
[Re: Dragula]
#2386610
10/12/17 11:55 PM
10/12/17 11:55 PM
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Joined: Jan 2003
Posts: 8,018 Tulsa OK
Bad340fish
master
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master
Joined: Jan 2003
Posts: 8,018
Tulsa OK
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I know little about them but I think you row all 5 gears on the track meaning no OD. They seem like a pretty wicked trans, there was several of them on drag week this year. But holy crap they are expensive.
68 Barracuda Formula S 340
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Re: GF-5R...Educate me.
[Re: Bad340fish]
#2386685
10/13/17 04:18 AM
10/13/17 04:18 AM
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Joined: Nov 2004
Posts: 420
PasiR
mopar
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mopar
Joined: Nov 2004
Posts: 420
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I know little about them but I think you row all 5 gears on the track meaning no OD. They seem like a pretty wicked trans, there was several of them on drag week this year. But holy crap they are expensive. How much?
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Re: GF-5R...Educate me.
[Re: Spaceman Spiff]
#2386700
10/13/17 08:36 AM
10/13/17 08:36 AM
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Joined: Nov 2004
Posts: 420
PasiR
mopar
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mopar
Joined: Nov 2004
Posts: 420
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Re: GF-5R...Educate me.
[Re: Dragula]
#2386703
10/13/17 09:14 AM
10/13/17 09:14 AM
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Joined: Jan 2003
Posts: 2,041 MD
RTSE4ME
top fuel
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top fuel
Joined: Jan 2003
Posts: 2,041
MD
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Seen a couple of these run down the track....What is the difference between clutchless or clutch assisted?
What configuration can be used for street/strip? Is it a 4+1 where 5th is an OD? The difference between the two are the sliders and face plates on 1st thru 4th gears. For street/strip you would use clutch assisted. On the G-force 5th gear locks the main shaft straight thru 1 : 1, the countershaft is just along for the ride so no od. Also Liberty has a similar transmission. http://libertysgears.com/our-products/lsc-transmissions/
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Re: GF-5R...Educate me.
[Re: Dragula]
#2386902
10/13/17 03:31 PM
10/13/17 03:31 PM
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Joined: Jan 2003
Posts: 7,477 Minnesota
Hemi_Joel
master
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master
Joined: Jan 2003
Posts: 7,477
Minnesota
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THe clutch assist trans needs to be (or should be) unloaded to release it from the gear it is in during the shift process. THis is because of the angle cut on the sides of the dogs, so the torque is holding the slider to the gear. If you yank hard enuff, you can get it to shift, but it is really hard on parts. YOu can unload it with the clutch, or by lifting the throttle, or with an ignition interrupt. These work OK on the street.
I have no experience with a clutchless, but here is how it was explained to me: The clutchless trans has split sliders, with the 2 halves splined together on the same hub so their rpm is always equal, but they are able to move back and forth independently. So when you pull a gear, only 1/2 of the slider moves until it engages the next gear. That instantly speeds up the main shaft (and thus the previous gear) kicking the other half of the slider out of engagement. These are not streetable. ANything less than a full power shift can hang up the 2nd half of the slider. If both are engaged at once, it scatters the trans. Plus they don't stay in gear by themselves unless under power.
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Re: GF-5R...Educate me.
[Re: 68shifter]
#2387155
10/14/17 12:39 AM
10/14/17 12:39 AM
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Joined: Nov 2005
Posts: 690 New Hampshire, USA
oldiron
mopar
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mopar
Joined: Nov 2005
Posts: 690
New Hampshire, USA
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That's Australian dollars, 1 AUD = USD0.72, so 9000 Australian = 6480 US$ Of course shipping etc to down under adds to that. I think if you contact GForce, it will be considerably less. Like Andre says, I think they often have refurbished units.
Many people that have them love them. From what I see, they are work well and easy to work on., Just too many gears for me.
66 Belvedere Vert, 4 Speed/Jerico, slowly, very slowly, getting faster - NA LD Wedge New New Best: 10.56 @129 68 B'cuda 4 gear Jerico - Another New Best of 9.86 & Trying to slow up https://www.youtube.com/watch?v=T4jDLKwd9Gs
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