I'm still looking for the retro-fit transmission for this car as I'd feel much more comfortable with brushless and lipo with that transmission in the car over the LRM tranny...
JRX-Pro "Modern" runner...
- chriswolfson
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JRX-Pro "Modern" runner...
The photo below is my TLR 22 sitting next to the newly completed JRX-Pro I've been restoring. JRX-Pro is a "modern" runner with 2.2" tires, brushless system, and lipo batteries. It also has as many creature comforts as I could add at this point such as threaded shock bodies, ti-nitride shafts, lunsford turnbuckles, etc... I see some 2wd stock and vintage class racing in this buggy's future. Who knows - maybe even the VoNats....
I'm still looking for the retro-fit transmission for this car as I'd feel much more comfortable with brushless and lipo with that transmission in the car over the LRM tranny...

I'm still looking for the retro-fit transmission for this car as I'd feel much more comfortable with brushless and lipo with that transmission in the car over the LRM tranny...
- jamin
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Re: JRX-Pro "Modern" runner...
Super cool Chris!! I think i might have to itch the Jrx platform at some point! Its an old car but the shape is timeless..
Team Losi: XX-CR | XXT | XXT-CR Graphite+ | XX4 | Street Weapon IWC Edition
- geeforce59
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- JK Racing
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Re: JRX-Pro "Modern" runner...
Chris, I ran a 4400kv this past weekend in my LRM tranny, no issues 
A set of big bores would look really good on there.

A set of big bores would look really good on there.
--Joey --
Vintage A&L and Factory Works
Old School Racer & Vintage RC Car nut
JKRacingRC.com
Vintage A&L and Factory Works
Old School Racer & Vintage RC Car nut
JKRacingRC.com
- Brandon G
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Re: JRX-Pro "Modern" runner...
A 17.5 bl in the LRM tranny does just fine. Just make sure you set the diff so that you have no slippage. Adding a slipper clutch would be a good idea as well. I have tried the retro fit trannies in a few of my vonats rides and the LRM tranny is simply faster. 

- Coelacanth
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Re: JRX-Pro "Modern" runner...
Me too. Those new buggies, to me, looks like you're driving around a letter "H".geeforce59 wrote:Kurach! i still love the shape and styling of the old buggies![]()

Completed projects: CYANide Onroad Optima | Zebra Gold Optima | Barney Optima | OptiMutt RWD Mid
Gallery - Coel's Stalls: Marui Galaxy & Shogun Resto-Mods | FrankenBuff AYK Buffalo | 1987 Buick GNX RC12L3
Gallery - Coel's Stalls: Marui Galaxy & Shogun Resto-Mods | FrankenBuff AYK Buffalo | 1987 Buick GNX RC12L3
- chriswolfson
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Re: JRX-Pro "Modern" runner...
I actually have the Pro-SE slipper clutch on it already. Both diff and slipper are set properly. I actually have an Xcelorin 10.5 in it right now and it has been running pretty good out in the parking lot. I may try it in 2wd Mod class at my track with that motor in it.
I need to find an RPM JRX Pro SE gear cover. If anyone has one - new or used - that they'd like to part with, let me know...
I need to find an RPM JRX Pro SE gear cover. If anyone has one - new or used - that they'd like to part with, let me know...
- JK Racing
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Re: JRX-Pro "Modern" runner...
Once you get it all set up, post it up. At the last race I had some nasty low speed push (like a dump truck), but I know I had the wrong front tires on.
Are you using long front shocks & tower?
Are you using long front shocks & tower?
--Joey --
Vintage A&L and Factory Works
Old School Racer & Vintage RC Car nut
JKRacingRC.com
Vintage A&L and Factory Works
Old School Racer & Vintage RC Car nut
JKRacingRC.com
- chriswolfson
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- Location: Pittsburgh, PA
- chriswolfson
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- Posts: 46
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- Location: Pittsburgh, PA
Re: JRX-Pro "Modern" runner...
Just an update - Here's a "body-off" pick of the JRX Pro I put together.
Car is a "stock" JRX Pro with the following "modern" upgrades. I'm hoping this type of setup qualifies to run vintage racing classes. I don't know anything about rules, etc...
- Team Losi threaded shock bodies
- Team Losi ti-nitride gold shock shafts
- Team Losi JRX ProSE slipper clutch
- Lunsford Punisher turnbuckles and ball cups
- Team Losi titanium ballstuds
- Team Losi XXX rear wheels
- Team Associated B4 front wheels
- Team Losi Xcelorin sensored brushless speedo
- Team Losi Xcelorin sensored 10.5 brushless motor
- Team Losi Xcelorin 96mm shorty lipo battery

Car is a "stock" JRX Pro with the following "modern" upgrades. I'm hoping this type of setup qualifies to run vintage racing classes. I don't know anything about rules, etc...
- Team Losi threaded shock bodies
- Team Losi ti-nitride gold shock shafts
- Team Losi JRX ProSE slipper clutch
- Lunsford Punisher turnbuckles and ball cups
- Team Losi titanium ballstuds
- Team Losi XXX rear wheels
- Team Associated B4 front wheels
- Team Losi Xcelorin sensored brushless speedo
- Team Losi Xcelorin sensored 10.5 brushless motor
- Team Losi Xcelorin 96mm shorty lipo battery

- JK Racing
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Re: JRX-Pro "Modern" runner...
for the VoNats, 17.5 motor. Other than that, you are good.
--Joey --
Vintage A&L and Factory Works
Old School Racer & Vintage RC Car nut
JKRacingRC.com
Vintage A&L and Factory Works
Old School Racer & Vintage RC Car nut
JKRacingRC.com
- m2fit4u2
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Re: JRX-Pro "Modern" runner...
How did you go about mounting the 2.2 wheels? From what I recall, the front axle sizes are different, or are they not?
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