Sequential gear box for my LS3???
Thread Starter
Teching In
Joined: Jan 2021
Posts: 2
Likes: 0
Sequential gear box for my LS3??? Need advice/help. I'm looking into getting a sequential gear box. I've never owned or built one, but I've drove a few cars with them and it was incredible. Right now I've got a LS3 and a t56 in a Datsun 280z pushing 550HP and 550FT-LB torque. Wondering if anyone has any info for me. Literally any help would be appreciated. Just need help finding options, finding parts, and finding people who know all about sequential gear boxes
Mainly you just have to stay away from anything with a side-shifter. Most sequentials are 4-speed with side-shifters and pricing on them used will be REALLY tempting considering most top shifted sequentials can be up and over $20k, but you will NOT be able to fit a side-shifter in that tiny car, the shifter will literally be where your leg goes, and there is no relocating all that linkage, it will be in the way. Those are muscle car transmissions made for really wide cars. You will have to just pony up for a top-shifter or a remote-shifter.
Samsonas is an up-and-comer that has very reasonable pricing, a lot of drifters are using them and they seem to be holding up well, but I haven’t heard anything about them being used for drag racing. If you have the money, PPG makes a T56 sequential that will drop right in place of your current setup - but it’s something like 17-18k.
Samsonas is an up-and-comer that has very reasonable pricing, a lot of drifters are using them and they seem to be holding up well, but I haven’t heard anything about them being used for drag racing. If you have the money, PPG makes a T56 sequential that will drop right in place of your current setup - but it’s something like 17-18k.
Teching In
Joined: Oct 2020
Posts: 39
Likes: 12
From: Calgary, Alberta
Need advice/help. I'm looking into getting a sequential gear box. I've never owned or built one, but I've drove a few cars with them and it was incredible. Right now I've got a LS3 and a t56 in a Datsun 280z pushing 550HP and 550FT-LB torque. Wondering if anyone has any info for me. Literally any help would be appreciated. Just need help finding options, finding parts, and finding people who know all about sequential gear boxes
Adding a sequential shifter is only part of the equation. True sequential boxes also have dog ring gear engagement and have ECU strategies for shifting. None of this is for the faint of heart or wallet.
Andrew
Andrew
Dog ring, yes. Computer involvement, no. Far more sequential gearboxes out there that are fully manual than computer aided.
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Gotta admit, went on a youtube binge seeing the S1 in production for less than their original $3k price tag. Quite tempted to contact them now.
S1 sequential shifter still uses clutch pedal so you don't need electronic assistance. Being able to slip the clutch should improve off track driving. The whole point of a manual is to have control IMO.
True sequential transmissions start around $15k
S1 sequential shifter still uses clutch pedal so you don't need electronic assistance. Being able to slip the clutch should improve off track driving. The whole point of a manual is to have control IMO.
True sequential transmissions start around $15k
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Brett Foote
Something most people don’t even realize is pretty much every single motorbike ever made has a sequential dog box transmission.
And with that, I'll say it out loud for the first time. I'm lusting after a 2020 Triumph Rocket 3 2.5L 3 cylinder/sequential box to power my '73 Corolla.....but I think it might rotate the wrong way.
TECH Senior Member
Joined: Jun 2016
Posts: 22,290
Likes: 3,615
From: Central Cal.
That would be pure nastiness... and if the twist is bass ackwards, flip the rear axle. No sweat. And no charge..... lol
"...flippant..." - that was good. Slow on the uptake - we'd just gotten back from a "come on honey - we have to go NOW" 1AM visit with my 91 year old MIL....all's well, but at that age, if she calls, we roll.
9 Second Club
Joined: Nov 2003
Posts: 13,616
Likes: 185
From: Norn Iron
Need advice/help. I'm looking into getting a sequential gear box. I've never owned or built one, but I've drove a few cars with them and it was incredible. Right now I've got a LS3 and a t56 in a Datsun 280z pushing 550HP and 550FT-LB torque. Wondering if anyone has any info for me. Literally any help would be appreciated. Just need help finding options, finding parts, and finding people who know all about sequential gear boxes
https://www.facebook.com/Fercomprally/
There are probably more expensive options too, PPG, RTS etc.
None are cheap.
A BMW DCT swap is another option, but they seem to take a fair bit of learning to get the tuning right with the ecu controller. Not technically a "sequential" in the usual mechanical sense, but operation in terms of user making shifts up and down can be if desired.
9 Second Club
Joined: Nov 2003
Posts: 13,616
Likes: 185
From: Norn Iron
Mainly you just have to stay away from anything with a side-shifter. Most sequentials are 4-speed with side-shifters and pricing on them used will be REALLY tempting considering most top shifted sequentials can be up and over $20k, but you will NOT be able to fit a side-shifter in that tiny car, the shifter will literally be where your leg goes, and there is no relocating all that linkage, it will be in the way. Those are muscle car transmissions made for really wide cars. You will have to just pony up for a top-shifter or a remote-shifter.
Samsonas is an up-and-comer that has very reasonable pricing, a lot of drifters are using them and they seem to be holding up well, but I haven’t heard anything about them being used for drag racing. If you have the money, PPG makes a T56 sequential that will drop right in place of your current setup - but it’s something like 17-18k.
Samsonas is an up-and-comer that has very reasonable pricing, a lot of drifters are using them and they seem to be holding up well, but I haven’t heard anything about them being used for drag racing. If you have the money, PPG makes a T56 sequential that will drop right in place of your current setup - but it’s something like 17-18k.
9 Second Club
Joined: Nov 2003
Posts: 13,616
Likes: 185
From: Norn Iron
Gotta admit, went on a youtube binge seeing the S1 in production for less than their original $3k price tag. Quite tempted to contact them now.
S1 sequential shifter still uses clutch pedal so you don't need electronic assistance. Being able to slip the clutch should improve off track driving. The whole point of a manual is to have control IMO.
True sequential transmissions start around $15k
S1 sequential shifter still uses clutch pedal so you don't need electronic assistance. Being able to slip the clutch should improve off track driving. The whole point of a manual is to have control IMO.
True sequential transmissions start around $15k
Here is an option. Not sure if it has been mentioned. It is a little pricey though.
https://www.6xdgearbox.com/
Ken
https://www.6xdgearbox.com/
Ken
Last edited by Kenova; Jan 24, 2021 at 08:59 PM.
9 Second Club
Joined: Nov 2003
Posts: 13,616
Likes: 185
From: Norn Iron
Here is an option. Not sure if it has been mentioned. It is a little pricey though.
https://www.6xdgearbox.com/
Ken
https://www.6xdgearbox.com/
Ken
It definitely looks like a nice piece though.