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  1. #1
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    Hot racing tranny?

    Has any one tried this http://www.hot-racing.com/index.cgi?...TE12GX01;c=430 looks like it would work well.

  2. #2
    RC Turnbuckle Jr. O.G.'s Avatar
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    I just bought my second one. This tranny is highly recommended.
    My Black & Blue Rally is faster than your color...

  3. #3
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    I am using that gearbox and I really like it.
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  4. #4
    RC Turnbuckle Jr. DiggerPede's Avatar
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    I just got my first one in today. I've always wanted to try one. Since I was working on a new build I went for it. Many good reviews. I can't wait to install the innards and put it to use.

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  5. #5
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    Has any one tried it with the flm sealed diff?

  6. #6
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    I have this tranny in one of my Slash's and the proline tranny in the other. And I prefer the Hot racing tranny, runs about 15 degrees cooler. It has held up just fine for over 3 months now.

    I have not tried the FLM sealed differental ...... I run a Castle SV2 5700kv with 18/90 gears and stock Traxxas diff and a aluminum idler. Battery power is 2s @5000 mah and on occasion 3s.

    Untill proline has a better gear selection I will stay with the hot racing tranny for race track use......
    "enjoy your ride"

    Dennis

  7. #7
    RC Turnbuckle Jr. O.G.'s Avatar
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    Quote Originally Posted by slashmaxx242 View Post
    Has any one tried it with the flm sealed diff?
    No, but I have a swami differential in my HR case, and an FLM differential in my stock TRX case for racing.

    The swami is packed with Bad Horsie diff grease, the FLM filled with 30,000wt oil.

    They are both working well so far.
    My Black & Blue Rally is faster than your color...

  8. #8
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    Quote Originally Posted by O.G. View Post
    No, but I have a swami differential in my HR case, and an FLM differential in my stock TRX case for racing.

    The swami is packed with Bad Horsie diff grease, the FLM filled with 30,000wt oil.

    They are both working well so far.
    Do you have a preference as to which diff?
    "enjoy your ride"

    Dennis

  9. #9
    RC Turnbuckle Jr. O.G.'s Avatar
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    Buy it from Swami-rc. I prefer their wheelie bars and recommend them.

    I prefer the FLM diff because it is sealed with rubber gaskets and has held in my 30k fluid during the race season. So, it's tunable with different weight fluids. I started with 5,000 and ended up with 30,000 as optimal on my track.

    I think the perfect setup is: FLM transmission case, swami wheelie bar, and a stock diff filled with Bad Horsie diff grease. Cool temps and great hookup. I've used this setup for a few years with good results.
    My Black & Blue Rally is faster than your color...

  10. #10
    RC Turnbuckle Jr. rag6's Avatar
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    Very nice for the price. You will not get as much cooling as a full alum box, but more cooling than the stocker. I give it 1.9 thumbs up.
    Wanna bash at Greenwood Bashplex in Pittsburgh ???

  11. #11
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    If your going to be racing I would go with the Proline tranny or use stock gear case with the new MIP diff coming out and the STRC topshaft so you can use B4.1 slipper setup. If your just bashing the the Hot Racing tranny case would be ok.

  12. #12
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    Quote Originally Posted by O.G. View Post
    I think the perfect setup is: FLM transmission case, swami wheelie bar, and a stock diff filled with Bad Horsie diff grease. Cool temps and great hookup. I've used this setup for a few years with good results.
    Thanks for your input....but what is special about Bad Horsie diff grease?
    "enjoy your ride"

    Dennis

  13. #13
    RC Turnbuckle Jr. O.G.'s Avatar
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    It is thicker than lithium grease we usually put in the diff case so it doesn't heat up and leak out. I think it gives the truck better wheelies and more traction.
    My Black & Blue Rally is faster than your color...

  14. #14
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    That makes sense, the grease being thicker allowing less differential slippage and then both rear wheels hooking up more equally with straighter starts under fast acceleration.

    I do have a spair stock Traxxas diff and will give that a test today if my LHS has some of that "Bad Horsie diff grease". If they don't have it I guess it will be a on line search.

    Thanks again......
    "enjoy your ride"

    Dennis

  15. #15
    RC Turnbuckle Jr. DiggerPede's Avatar
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    I purchased 3 little tubs months ago and have yet to use it. I keep forgetting its in my RC parts stash. LOL Prolly on one of my next orders i'll buy a spare diff and slap some of this in there. It's some ewie gewie stuff.

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  16. #16
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    It sounds like this stuff is very thick like wheel bearing grease. Being that thick, does it cause motor temps to increase as well? Or is it not a big concern?

    And thanks for the link....
    Last edited by orca44; 10-03-2012 at 02:29 PM.
    "enjoy your ride"

    Dennis

  17. #17
    RC Turnbuckle Jr. O.G.'s Avatar
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    It's thicker than wheel bearing grease and seems more resistant to heat so it doesn't spin out of the cracks in the differential. I should buy stock in the company. Lol
    My Black & Blue Rally is faster than your color...

  18. #18
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    LHS does not have in stock so had to order on line and have it by Friday.....

    We race Friday night on a clay indoor track.... I may get lucky and get it Thursday and if so I will be able to practice on the track Thursday afternoon......

    A little pricey for .5 oz, but enough to do about 3-4 diffs.
    "enjoy your ride"

    Dennis

  19. #19
    RC Turnbuckle Jr. DiggerPede's Avatar
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    O.G. How long does the Bad Horsie last in the diffs before needing to be replaced for like say racing.

    Quote Originally Posted by orca44 View Post
    A little pricey for .5 oz, but enough to do about 3-4 diffs.
    It's actually 0.25 oz. LOL Not sure if that makes it any better.
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  20. #20
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    Yes that makes me feel much better.... At least free shipping and no sales tax.
    "enjoy your ride"

    Dennis

  21. #21
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    Looks nice, a few questions:

    * Does it change the stock toe it?
    * Does if allow you to do adjust anti-dive? And what is the stock anti-dive angle it comes with?
    * The motor looks exposed, can you fit a wheelie bar bracket onto it?
    * How does it compare weight wise with the stock plastic tranny case?

  22. #22
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    Quote Originally Posted by cunawarit View Post
    Looks nice, a few questions:

    * Does it change the stock toe it?
    * Does if allow you to do adjust anti-dive? And what is the stock anti-dive angle it comes with?
    * The motor looks exposed, can you fit a wheelie bar bracket onto it?
    * How does it compare weight wise with the stock plastic tranny case?
    If you are asking about the Hot racing tranny....
    * It does not change the stock toe in
    * Don't know the answere to anti-dive
    * I have the RPM wheelie bar and motor protector on mine
    * The only added weight is the metal motor mounting plate which can't be more than a gram or two. I didn't weigh mine.
    But the metal plate with heat sinks droped motor 10 to 15 degrees.

    My motor temps use to be at 160 degrees and now run at 145 to 150.
    "enjoy your ride"

    Dennis

  23. #23
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    Cool, many thanks.

    In terms on the anti dive, are the a-arm mounts totally separate from the tranny? A pic of how it attaches would be nice This tranny case is looking VERY tempting for racing.

    I'll email to Hot Racing anyway to see if they can answer the anti-dive quesrtion.

    Thanks again

  24. #24
    RC Turnbuckle Jr. DiggerPede's Avatar
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    Yes the A-arm mounts are seperate from the tranny and are bolted up from underneath the case.





    Anti-dive is the forces of inertia and mechanical resistance that the brakes create thru the front suspension. On most chassis, the lower control arms are level front to back. The uppers usually have about 2 degrees of angle front to back, higher in the front. This is called anti-dive, because thru the braking force on the front suspension, the chassis will resist dive (weight transfer to the front).
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  25. #25
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    Perfect! Thanks Ordering one now
    Last edited by cunawarit; 10-09-2012 at 02:01 PM.

  26. #26
    RC Turnbuckle Jr. O.G.'s Avatar
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    Quote Originally Posted by DiggerPede View Post
    O.G. How long does the Bad Horsie last in the diffs before needing to be replaced for like say racing.
    I opened up my main basher for a look.

    Some of the Bad Horsie grease leaked out to leave a film on the outside of the differential case, but none slung to the transmission case itself. So I'd say 90% stayed inside the diff.
    Last edited by O.G.; 10-09-2012 at 05:40 PM.
    My Black & Blue Rally is faster than your color...

  27. #27
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    Thank you very much for the anti-dive information.....really...I did not know.

    The Bad Horsie grease I ordered didn't get shipped untill yesterday.... Hope to get it by tomorrow so that I may put it to use on Thursday, my pratice day at the race track.
    "enjoy your ride"

    Dennis

  28. #28
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    Thanks for the pics and info. Might need to order one.
    2x Stampede VXL
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  29. #29
    RC Turnbuckle Jr. O.G.'s Avatar
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    Is that an rpm motor mount with an rpm bumper?
    My Black & Blue Rally is faster than your color...

  30. #30
    RC Turnbuckle Jr. O.G.'s Avatar
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    I have some close-up shots of the HR tranny install and arm mounts on my OG basher build. I used mine with the STRC lcg rustler chassis kit.
    My Black & Blue Rally is faster than your color...

  31. #31
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    I had to get another long spacer and screw also....

    Which differantial did you use in the Hot Racing tranny case? And will you have a gear cover that nice looking clutch and who makes it?

    PS...
    Yours looks so nice and clean...almost hate to see ya get it dirty.......Not!!!
    Last edited by orca44; 10-11-2012 at 07:33 PM.
    "enjoy your ride"

    Dennis

  32. #32
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    Is that a Hot racing clutch?

    What brand of shocks are thoes and springs?
    Last edited by orca44; 10-12-2012 at 11:12 AM. Reason: added content
    "enjoy your ride"

    Dennis

  33. #33
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    Quote Originally Posted by 1fastmr2 View Post
    OK I mounted the rear bumper last night. NOT all the hardware will work. I had to find another long spacer to get the bumper mounted
    Perhaps it is meant for the stock mount and not the RPM?

    Anway, where did you source the extra spacer from?

  34. #34
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    It is ment for the stock mount...

    I sourced my spacer from a electronic supply house. I used circuit board stand off's. They come in aluminum or plastic and are hollow in the middle, mine will use a 3 mm screw and just cut to length.
    "enjoy your ride"

    Dennis

  35. #35
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    I know this is an old post, but do the gear cover fit on these transmission cases? I see a lot of pictures with aftermarket transmission cases, but no gear covers. I would like to install my RPM cover on it.
    1/10 Rustler VXL

  36. #36
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    I have a RPM gear cover on mine with a 90t spur and seals up with no issues.
    "enjoy your ride"

    Dennis

  37. #37
    RC Turnbuckle Jr. DiggerPede's Avatar
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    Quote Originally Posted by Remz3 View Post
    I know this is an old post, but do the gear cover fit on these transmission cases? I see a lot of pictures with aftermarket transmission cases, but no gear covers. I would like to install my RPM cover on it.
    Yes a stock, rpm, or HR gear covers do bolt directly up. I didnt use one because I have 32p gearing installed.
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  38. #38
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    Awesome! Thanks for the info. Going to pick one up. You guys think there is a huge difference between this and the FLM ones? I can see the price difference, but not sure if its worth dropping that much money if this one does a similar job in cooling the motor.
    1/10 Rustler VXL

  39. #39
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    My motor temps droped almost 15 degrees, motor temps now stay in the 130 degree range and use to be close to 160.

    I have a Castle SV2 with a 5700 kv motor and run 2s 955 of the time.
    "enjoy your ride"

    Dennis

  40. #40
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    Thanks for the info. Will be purchasing the case for sure.
    1/10 Rustler VXL

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