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  1. #1
    savage dust bunny's Avatar
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    LST shocks on the CEN Genesis

    Hey folks

    I'm busy putting my truck back together and in the prcess had bought LST shocks (yep those huge monsters!) to fit on to the truck to save weight.

    I've trawled the net and so far nothing has been found where someone has made the mod to fit them.

    I've been looking at innovative-rc.com as they have savage kits for the LST shocks as some kind of guideline.

    Anyone have any ideas here?

    Cheers


    Losi 8ight-T 2.0 Leopard 4282/2000kv Toro 150A, Tekno SCT410 PRO4HD 3000kv RX8, Losi Mini 8ight buggy, Losi Night Crawler. Others as well but all for sale... oh and a Losi Mini 8ight Truggy I borrow from my 3 year old
    HPI Firestorm 10T converted with Flux Vektor 4000kv & Hobbyking 100A - and for sale
    CEN Matrix truggy - converted and for sale
    Losi 2.0 buggy - converted with Losi kit and for sale

    See some of 'em here: http://www.rcgalleri.dk/bruger/38010-mark_t

  2. #2
    savage dust bunny's Avatar
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    RE: LST shocks on the CEN Genesis

    Well, between 2 kids, a job and a girlfriend...I've found the time to make this mod.

    As I have converted the truck using CENs conversion kit, I wanted to save as much weight as possible, keep the truck as hardcore as possible and if possible, even make it look better.

    It turned out to be quite simple.

    You need the following:

    4 x LST shocks - ebay is a cheap way to get them, fully assembled
    2 x LOSB2900 plastic shock parts - the bonus here is that you also get spaces and other extra parts you may need if the driving gets too rough
    1 x LOSA6242 caphead screws
    1 x 3mm threaded rod at least 28cm long
    8 x spacers/standoffs at least 7mm thick. 8mm and thick enough is the optimal solution
    8 x washers 1mm thick - these are needed IF the standoffs are not wide enough to stop the shocks from travelling all the way to the tower
    The rear area (where there is a hump at the end) of both TVPs need to be cut down to make space for the broader springs
    EDIT: Hold on with the cutting of the TVPs. I'm looking at another solution so the rear shocks can be configured more freely.

    Pros
    Weight saving
    It looks damn sweet

    Cons
    Mounting configurations are limited due to lack of space
    The front shocks are exposed to the rocky elements - a fix to mount them behind the arms appears to be quite a challenge with, perhaps, reversing C-hubs, longer toe links etc etc etc

    How did I do it?
      [*]Shave/cut/grind the rear ends of the TVPs in order to fit the shocks. Check the first picture for a better "explanation".[*]The original long screws can be reused for the lower mounting holes.[*]Cut the threaded rod into 4 x 7cm pieces. These are needed for the upper mounting posts.[*]Put everything together...[*]You can reduce the length of the threaded rods if you want a cleaner look. Around 6.5cm is probably the minimum length.[/list]







      Here is a size comparison.

      Savage vs Losi LST vs CEN Genesis



    Losi 8ight-T 2.0 Leopard 4282/2000kv Toro 150A, Tekno SCT410 PRO4HD 3000kv RX8, Losi Mini 8ight buggy, Losi Night Crawler. Others as well but all for sale... oh and a Losi Mini 8ight Truggy I borrow from my 3 year old
    HPI Firestorm 10T converted with Flux Vektor 4000kv & Hobbyking 100A - and for sale
    CEN Matrix truggy - converted and for sale
    Losi 2.0 buggy - converted with Losi kit and for sale

    See some of 'em here: http://www.rcgalleri.dk/bruger/38010-mark_t

  3. #3

    RE: LST shocks on the CEN Genesis

    temba,

    The mod looks killer!!

    I will be doing something similar when Iget my Brushless Coversion Kit. I'm hoping I can cut at least 2lbs out of the weight.

    So, I have a few questions if you dont mind.

    What is the weight difference between 1Losi LST Shockand 2 CEN Genesis shocks? And did you consider using the Matrix TR aluminum shocks?

    What is the weight of the truck RTR with batteries on board? If possible take the tires off and take the lowershock mount off the arm and support thearmsoff the scale.Does that make sense?What I want to establish is the sprung weight v.s. unsprung weight(with tire and shocks on the scale)

    And can you please give us a price break down of your costs? And please try to convert into USD.

    I Love to see guys bringing out their Old stuff to fix up. The Genesis platform, in my opinion the toughest around and now that there is the Brushless conversion kit available, makes llife all the better!!

    Did yo do the coversion yourself? and how was it to do? Always interested in outside input.


    Keep up the good work and let the rest of us know how things progress.
    US Sales Dept
    1-626-537-9004
    US Customer Service
    1-626-537-9006
    11am-7pm EST Mon-Fri
    http://www.cenracing.com

  4. #4
    savage dust bunny's Avatar
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    RE: LST shocks on the CEN Genesis

    Thanks for that! :-)

    I will weigh the shocks again soon but I recall the LSTs are much lighter than 2 CEN shocks. This includes oil of course.

    I don't have easy access to various large shocks so had no idea the Matrix shocks were an option. I just had a peak at them 5 min ago and see they are 16,5mm wide where the LSTs are 34,5mm. I think I will still keep the LSTs. You are welcome to send me 4 Matrix shocks for testing

    As I am not totally finished with building the truck (may pop a 1850kv outrunner in it instead due to the Tenshock getting warm at the moment) I will also wait with the final weigh-in.

    Another item that definitely needs changing, are the springs. I am searching for stiffer springs and I think ravenrc are the winners at the moment. The standard LST springs sag quite a bit and aren't as springy as when they are mounted on the actual LST which is also much lighter than the CEN mega beast.

    The conversion is straightforward and rather simple, however it can be noted: mount the center diff, then mount the battery holder, then the ESC plate - it's a mission doing it the other way round.

    A few irritations I have with the conversion kit is that CEN could lower the price even more by just including a mockup so we can drill the 4 holes required in the TVPs ourselves. It's also a bit sad that the TVPs have not been "cleaned" up so they are only for brushless systems. They are pure copies of the standard TVPs, with 4 extra holes... If I wanted a nitro motor in it again, I would just use the old TVPs.

    One issue I had, while testing on 4S, the rear outdrive from the center diff twisted and broke!! I'll upload a pic soon, but I was quite amazed as the load was low and the item was brand spanking new
    I am using 100k diff oil but it still feels easier to turn the outdrives than the original center diff from the nitro gearbox so I don't think the internal load is too harsh.
    *****EDIT!!!!*****I would like to apologise to CEN for the above, it appears I chose the wrong setting on my program card for the forward/reverse settings. The motor went from forward directly to reverse. It appears the outdrives can't handle this power shift

    After waiting 2 months!!!!! it appears CEN will finally be sending my part 2 of 1 package this week. When it arrives, I'll be cutting my own motor/diff mount and building the 2nd Genesis I have in pieces at the moment.

    Anyway, that was todays rant...I'll be back with more details for you, as soon as possible.

    Absolutely last note - if you want to convert your Genesis/Nemesis - then get this kit, it's easy to install, comes with everything needed and... it's worth it!
    Losi 8ight-T 2.0 Leopard 4282/2000kv Toro 150A, Tekno SCT410 PRO4HD 3000kv RX8, Losi Mini 8ight buggy, Losi Night Crawler. Others as well but all for sale... oh and a Losi Mini 8ight Truggy I borrow from my 3 year old
    HPI Firestorm 10T converted with Flux Vektor 4000kv & Hobbyking 100A - and for sale
    CEN Matrix truggy - converted and for sale
    Losi 2.0 buggy - converted with Losi kit and for sale

    See some of 'em here: http://www.rcgalleri.dk/bruger/38010-mark_t

  5. #5

    RE: LST shocks on the CEN Genesis

    Mark

    I sent you an email about your drive cups. Should be good to go!
    US Sales Dept
    1-626-537-9004
    US Customer Service
    1-626-537-9006
    11am-7pm EST Mon-Fri
    http://www.cenracing.com

  6. #6
    savage dust bunny's Avatar
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    RE: LST shocks on the CEN Genesis

    Here are the costings for the LST setup.

    I just haven't had the time to take photos, weigh the truck etc...yet, but they will follow soon enough.

    Prices exclude shipping, import tax etc.

    4 x LST shocks - USD39 from ebay - if you are in a rush, expect to pay maybe USD10-20 more as Buy-Now. I waited and bid on these.
    2 x LOSB2900 plastic shock parts & 1 x LOSA6242 caphead screws & 1 x 5-40 nuts - USD31 from my local RC pusher
    1 x 3mm threaded rod at least 28cm long - USD4
    8 x spacers/standoffs at least 7mm thick - USD5-10 maybe, I had some lying around.
    8 x washers 1mm thick - these are needed IF the standoffs are not wide enough to stop the shocks from travelling all the way to the tower - get these real cheap from your LHS

    My 2nd plan was to cut some aluminium plates to extend the width of the shock towers, however I have dropped this idea as it's unnecessary for my needs - you may want to do it though... On the flipside, I will cut the TVPs all the way down to the top of the battery tray and a bit further forward to allow for more space for the fat LST springs. I have mine mounted in the most outward holes on both the tower and arm.

    Finally, I spoke with Lee from CEN and must say it was a very interesting chat we had and now...I look forward to receiving those drive cups :-)
    Losi 8ight-T 2.0 Leopard 4282/2000kv Toro 150A, Tekno SCT410 PRO4HD 3000kv RX8, Losi Mini 8ight buggy, Losi Night Crawler. Others as well but all for sale... oh and a Losi Mini 8ight Truggy I borrow from my 3 year old
    HPI Firestorm 10T converted with Flux Vektor 4000kv & Hobbyking 100A - and for sale
    CEN Matrix truggy - converted and for sale
    Losi 2.0 buggy - converted with Losi kit and for sale

    See some of 'em here: http://www.rcgalleri.dk/bruger/38010-mark_t

  7. #7
    savage dust bunny's Avatar
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    RE: LST shocks on the CEN Genesis

    Powered by:
    Turnigy 600 H37402 Brushless Outrunner 1760kv
    11T Topcad pinion
    66T CEN Matrix spur
    Turnigy TrackStar 150A ESC
    1 x 6S Turnigy 5000Mah lipo
    2 x 3S Turnigy 5000Mah lipos
    Sävox SC-1256TG 20kg steering servo
    Turnigy GTX3 AFHDS 2.4ghz 3 channel transmitter
    Waterproofed HobbyKing GT-2 3 channel receiver
    Standard CEN Racing 23mm hex wheels and tyres
    Top speed
    61.9kmt
    Size
    1/8
    Length: 587mm
    Width: 467mm
    Wheelbase: 397mm
    Weight
    7.5kg without batteries
    Extra gear
    CEN Racing brushless conversion kit
    Center diff cross-pins
    Xtreme-Cross-Racing front aluminium shock tower
    Losi LST shocks with RCRavenInc Dual Rate stiff springs
    Receiver and ESC have been waterproofed with plastidip
    CEN Racing 23mm hex wheels and Sniper tyres
    Notes
    Big thanks and kudos to Kristian L for both inspiration and LoAdS of help with the rebuild 8)
    Build thread can be read here: http://rc-forum.dk/index.php/topic,397.0.html
    Front and rear center diff outdrives were mashed during initial testing. Older versions are in use and new ones have arrived, thanks CEN
    To be installed:
    8 LED light-set (sorry Savage… )
    Home-brew wheeliebar
    Home-brew center skid plate

































    Losi 8ight-T 2.0 Leopard 4282/2000kv Toro 150A, Tekno SCT410 PRO4HD 3000kv RX8, Losi Mini 8ight buggy, Losi Night Crawler. Others as well but all for sale... oh and a Losi Mini 8ight Truggy I borrow from my 3 year old
    HPI Firestorm 10T converted with Flux Vektor 4000kv & Hobbyking 100A - and for sale
    CEN Matrix truggy - converted and for sale
    Losi 2.0 buggy - converted with Losi kit and for sale

    See some of 'em here: http://www.rcgalleri.dk/bruger/38010-mark_t

  8. #8
    savage dust bunny's Avatar
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    A quick update. Despite me selling the truck, I changed the motor to a Leopard 4092 1730kv motor. Even on 6S, the outdrives lasted quite fine and did not break again.

    I guess it was just the massive torque of the psycho outrunner I had in the truck that ate outdrives like M&Ms. The psycho outrunner has been traded with a friend and he'll be using it for speedruns
    Losi 8ight-T 2.0 Leopard 4282/2000kv Toro 150A, Tekno SCT410 PRO4HD 3000kv RX8, Losi Mini 8ight buggy, Losi Night Crawler. Others as well but all for sale... oh and a Losi Mini 8ight Truggy I borrow from my 3 year old
    HPI Firestorm 10T converted with Flux Vektor 4000kv & Hobbyking 100A - and for sale
    CEN Matrix truggy - converted and for sale
    Losi 2.0 buggy - converted with Losi kit and for sale

    See some of 'em here: http://www.rcgalleri.dk/bruger/38010-mark_t


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