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Old 05-29-2013, 03:42 PM   #5431
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I will tell you that you will not be disappointed with this kit. Especially for $399.
I'm sure I won't I was just wondering what the differences are
?
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Old 05-29-2013, 09:27 PM   #5432
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I'm sure I won't I was just wondering what the differences are
?
Perhaps you could have looked on TamiyaUSA.com?

42184 TRF417

42200 TRF417 w/ Gear Diff Unit (this is the $400 on-sale version)
At the 2011 Thailand International R/C Touring Car Championship (TITC) held in February, TRF (Tamiya Racing Factory) drivers raced their TRF417's with a new Gear Differential Unit installed in the car. Tamiya now offers the TRF417 with this unit as a standard option part included with this new spec version of the TRF 417.

42205 TRF417X
This is the latest spec TRF 417 machine. The main enhancements incorporate subtle revisions. A newly-designed lower deck offers improved chassis flexibility for better low-speed traction. The previous one-piece motor mount has been replaced with a three-piece type to allow further adjustment of chassis' flexibility by linking them together. The thickness of the front and rear damper stays have been increased to 3.5mm and other new developments include a new upper deck, metal battery holders which serve as counterweights, and low-height kingpins. Front direct coupling and rear gear diff unit (Item 42197 TRF417 Gear Differential Unit II) are included in this latest spec version

42240 TRF417V5
The MACH Circuit in Heemstede, the Netherlands played host to the seventh biennial IFMAR ISTC World Championships from July 26th-28th. Of course, Tamiya Racing Factory (TRF) was in the thick of the action and when all was said and done, TRF driver Jilles Groskamp and his TRF417X was crowned the champion. Not only was this Tamiya's third consecutive victory at this prestigious event, it also brought its total IFMAR touring car title count to five (2002, 2004, 2008, 2010, 2012). The TRF417WX edition kit brings enhancements used during the world championship to customers around the world who choose to race the best touring car platform on the planet.
Newly designed carbon fiber upper (2.0mm thick) and lower (2.25mm thick) decks feature refined shapes to provide optimum roll flexibility.
Newly-designed one-piece aluminum servo mount is secured to the chassis by one side (inner side) only so as to not jeopardize chassis flexibility.
Newly-designed aeration dampers help maximize traction.
Front and rear carbon fiber damper stays (3.5mm thick) have redefined damper attachment positions.
Front direct coupling is equipped with steel cup joints and coupled with Double-Cardan drive shafts to provide efficient, smooth power transfer.
Rear gear differential features steel diff joints and swing shaft protectors.
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Old 05-30-2013, 05:26 AM   #5433
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Does anyone use drag brake?
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Old 05-30-2013, 09:21 AM   #5434
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Does anyone use drag brake?
Yes, i use 6-10, depends what track and surface.
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Old 05-30-2013, 10:16 AM   #5435
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Does anyone use drag brake?
I depends a lot on the track and the motor that im running. I try to run without it most of the time. Sometimes a bit of drag brake is nice to gain a bit of off-power steering if you need it. On tight tracks I try to run without it, so the cars rolls a little better through the tight corners, especially in blinky 17.5
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Old 05-30-2013, 08:07 PM   #5436
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8% drag brake on my ride.

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Old 05-31-2013, 03:01 AM   #5437
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Very nice!
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Old 05-31-2013, 07:48 AM   #5438
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Clean car! I run 0 drag break when running 17.5. When running mod I am between 5-10 dependent on the track.
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Old 05-31-2013, 02:02 PM   #5439
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Can anyone with a caliper and a spare 417 ball-diff do me a favor? I need to know the width between the two inner bearing seats of an assembled diff, as well as the overall width. I REALLY want to see if these outdrives will fit into a 511/501/DB01.
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Old 05-31-2013, 02:16 PM   #5440
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Originally Posted by 94eg! View Post
Can anyone with a caliper and a spare 417 ball-diff do me a favor? I need to know the width between the two inner bearing seats of an assembled diff, as well as the overall width. I REALLY want to see if these outdrives will fit into a 511/501/DB01.
26mm between the bearings and 56mm total width end to end.
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Old 05-31-2013, 02:47 PM   #5441
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Very nice!
Thanks, I'll have to take pictures with better lighting.
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Old 05-31-2013, 02:48 PM   #5442
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Clean car! I run 0 drag break when running 17.5. When running mod I am between 5-10 dependent on the track.
Thanks~
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Old 05-31-2013, 03:05 PM   #5443
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26mm between the bearings and 56mm total width end to end.
THANKS!!! You da man!!!
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Old 05-31-2013, 03:18 PM   #5444
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How tight is your belts ?
I play one step looser than the manual front and rear .
How the belt affect the driving behavior ?
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Old 05-31-2013, 06:16 PM   #5445
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Originally Posted by 94eg! View Post
Can anyone with a caliper and a spare 417 ball-diff do me a favor? I need to know the width between the two inner bearing seats of an assembled diff, as well as the overall width. I REALLY want to see if these outdrives will fit into a 511/501/DB01.
I have TRF511 with upgrade set. The TRF417 diff is too wide for 511/501/DB01. You need to get TA05/TA06 front ball diff unit instead. But the softer aluminum outdrives will not last and it's a little too short for the universal so it might pop-out on landing.

You can get TA06 steel gear diff set and also the DB01 gear diff outdrives (slightly longer). I run my TRF511 with dual gear diff and double-slipper drive.
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