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Old 05-03-2004, 10:56 PM   #2041
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well, i had a few inquire about the diff swap, so here is a list of stuff:
Yokomo MR4TC belt car:
ZS-501 - diff joints (use the rear ones)
ZS-506 - diff rings (can use 414M/TA04 rings, i had some!)
ZS-507 - thrust set
ZS-508 - diff screw
ZS-010RT - rear liteweight shaft set- can use reg steel set part #
ZS-010RS

anyones 5x8mm bearings for the center of diff, and 3mm diff balls of your choice...

TRF415 parts
51055 - ball diff pulley

hardest part was the 6x11 adapting bearing that the larger Yoke drives required. found a Tamiya part # of 9805802, comes from the TXT-1 somewhere...

for the center, im sure there are a number of ways, but i just used another locked pulley, part #51060, and filed it and the spur holder down. whole setup worked great last weekend, and ill put up a few pix...
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File Type: jpg 415diff.jpg (90.2 KB, 307 views)
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Old 05-03-2004, 10:58 PM   #2042
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Default and another...

of the center spacing...
i might also add that other than the filing of the center components, all the front diff pieces fit together like butter... no funny stuff, machining, spacers, shims, etc.
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Old 05-03-2004, 11:04 PM   #2043
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I have a question for you guys. I was talking to Surikarn at the pre worlds and he said that Tamiya will be running a new car at the Worlds. The Evolution 4 Pro. How long has the 415 actually been available?
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Old 05-03-2004, 11:18 PM   #2044
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Default Re: and another...

Quote:
Originally posted by tamiyadriver
of the center spacing...
i might also add that other than the filing of the center components, all the front diff pieces fit together like butter... no funny stuff, machining, spacers, shims, etc.
what battery plate is that??
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Old 05-03-2004, 11:20 PM   #2045
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that is the Xray holder, for the 6-inline setup... works pretty well, other than not being TCS legal!
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Old 05-04-2004, 12:57 AM   #2046
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Quote:
Originally posted by tamiyadriver
that is the Xray holder, for the 6-inline setup... works pretty well, other than not being TCS legal!
Cool! that's good news for lazy people

how do u mount that on the chassis? that little battery tape slot is not counter sunk for flat head screw....
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Old 05-04-2004, 01:47 AM   #2047
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I made a diff for the front today by using YOKOMO MR4TC parts and the TAMIYA F201 universal dogbone. Perfect fit. No shimming, no changing of any bearings, and no troubles. I will try it out at a local race this weekend to see how it is.

I like the oneways. Just want to see how the diff works on the 415.
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Old 05-04-2004, 07:28 AM   #2048
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Default Adrian : 415 & EVO 4

Hey Adrian,

The 415 has not been out long. Tamiya has two top cars they constantly evolve. One is shaft (EVO) and one is Belt (41X). So for those that want a shaft drive, the evo is the place to be.....and the 41X (e.g 414, 415) is the car if you prefer belt. Both approaches have their pros and cons. Both cars are great.

From my testing, at the moment the 415 seems a little quicker than the evo III,... I think mainly due to the stiffness of the chassis of the 415. But the shaft drive is certainly more efficient. I would bet the EVO IV will have a stiffer chassis setup than the EVO III.
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Last edited by Martin Crisp; 05-04-2004 at 07:52 AM.
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Old 05-04-2004, 08:15 AM   #2049
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for the strap, i just use a small file to let the screws fit flush... kinda envision this: <0>. i got some of that Xenon tape which is the best tape i have used, but the strap is still easier...
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Old 05-04-2004, 08:16 AM   #2050
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Quote:
Originally posted by Suradaj
I made a diff for the front today by using YOKOMO MR4TC parts and the TAMIYA F201 universal dogbone. Perfect fit. No shimming, no changing of any bearings, and no troubles. I will try it out at a local race this weekend to see how it is.

I like the oneways. Just want to see how the diff works on the 415.
i was gonna try the F201 bones, just didnt have any handy... that would be much easier! i did have the MR4 set laying around, so i thought id try....
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Old 05-04-2004, 10:23 AM   #2051
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Quote:
Originally posted by tamiyadriver
i was gonna try the F201 bones, just didnt have any handy... that would be much easier! i did have the MR4 set laying around, so i thought id try....
The F201 bones are long but it will work. You still have about 1.5mm clearance of play at the end so the suspension don't bind up.
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Old 05-04-2004, 10:37 AM   #2052
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Quote:
Originally posted by tamiyadriver
well, i had a few inquire about the diff swap, so here is a list of stuff:
Yokomo MR4TC belt car:
ZS-501 - diff joints (use the rear ones)
ZS-506 - diff rings (can use 414M/TA04 rings, i had some!)
ZS-507 - thrust set
ZS-508 - diff screw
ZS-010RT - rear liteweight shaft set- can use reg steel set part #
ZS-010RS

anyones 5x8mm bearings for the center of diff, and 3mm diff balls of your choice...

TRF415 parts
51055 - ball diff pulley

hardest part was the 6x11 adapting bearing that the larger Yoke drives required. found a Tamiya part # of 9805802, comes from the TXT-1 somewhere...

for the center, im sure there are a number of ways, but i just used another locked pulley, part #51060, and filed it and the spur holder down. whole setup worked great last weekend, and ill put up a few pix...
Cheers Tamiyadriver

This gives me something to do while my kit is being shipped out , time to go parts hunting around my local hobbie shops.

Setup sheets

Has anyone got blank setup sheets that can be downloaded and team drivers setup sheets for outdoors on tarmac so i can see what people have been running ?
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Old 05-04-2004, 12:24 PM   #2053
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This is what I used to make a diff for the front. I didn't have to go looking for bearings or many parts to do it. I used the same bearings that is in the front of the 415 bulkheads.
TAMIYA 51055 415 Diff Pully
TAMIYA 53522 F201 Unversal shaft
YOKOMO ZS-501 Diff Joints
YOKOMO ZS-506 Diff Rings
YOKOMO ZS-507 Diff Thrust Bearing Set
YOKOMO ZS-508 Diff Adjusting Kit

I am just going to pin the mid gears.
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Old 05-04-2004, 12:28 PM   #2054
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What kind of diff ball does 415 comes with? steel? carbide? ceramic?

my diff feels rough after 2 race day... is it normal?
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Old 05-04-2004, 12:37 PM   #2055
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Hi everybody,

I've just receive my brand new 415, I got a question:
I've received:
OP-440 springs but it is the hard spring set, what is the reference for the regular kit?

Tamiya
Purple 22.72
Gray 20.91
White Short 17.24
Blue Short 15.27
White 14.82
Blue 14.08
Yellow 13.33
Red Short 13.24
Yellow Short 12.90
Red 11.86

Thanks
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