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Old 12-02-2010, 05:11 PM   #6451
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The kit comes with Steel out drives for the spool.
Ah thats my bad... i meant the spur gear pullies.

Mine were warped like they pulled them from the mold early and were a PITA to get a spur gear on. The aluminum pullies went together beautifully, and i didnt have to ream the spur gear for assembly.

The plastic spool parts are just fine for me. I like the plastic cups. They dont eat up my steel pins, so its easy to slip on some blades and drop in a ball diff for quick changes.
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Old 12-02-2010, 05:31 PM   #6452
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Springs for tuning, and get the aluminum spur gear pulleys. Sorry, but the plastic ones in the kit are crap. I would also buy a variety of the small and large pattern spacers/shims, and the cone washers. You will use them for suspension tuning and shimming out the stock battery brace.

Speaking of which, you need 20mm screws for the rear most suspension mounts, and 18mm screws for the rest of the suspension mounts if youre gonna widen the car out to spec. Otherwise you will only have like 1mm of thread in the bulkheads with the stock screws. Thats spells trouble.

It also comes with a ball diff and a spool... so you may need to purchase a separate diff for the front... depending on your use.

For those that dont know... the stock balls for the diffs are NOT carbide or ceramic. If you plan on runnin some power... the stock diff balls wont last. My front diff was gritty after one run with an 8.5.

Im a little picky when it comes to my cars, so i dropped an extra $150 for parts on top of my kit cost. After 2 weeks... im still spending. You can run the car fine without the added expense... but there IS room for improvement out of the box. Conversely, im glad i didnt buy another XRAY.

As far as durability goes... its fairly strong. Its weak points are the rear hubs and the steering rack... as previously mentioned. In the past two weeks i have logged over 600 laps and broken one rear hub and the steering rack.

I have run the car waaay loose and reallly tight... both ends of the spectrum to find its capabilities... so it has hit a few boards, and traction rolled (just came off the track comin into the sweeper) and hit a concrete wall.
Dave, did you just post "steering rack"? Let the TC3-4 go already!
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Old 12-02-2010, 05:36 PM   #6453
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Ah thats my bad... i meant the spur gear pullies.

Mine were warped like they pulled them from the mold early and were a PITA to get a spur gear on. The aluminum pullies went together beautifully, and i didnt have to ream the spur gear for assembly.

The plastic spool parts are just fine for me. I like the plastic cups. They dont eat up my steel pins, so its easy to slip on some blades and drop in a ball diff for quick changes.
While the Alum. Spur pulleys are nice I would never run them because they add unnecessary weight to the drive train.

As for the plastic spool outdrives if you run them you'd better keep a real close eye on them. If they get notched from the dog bones they will make the car do weird things on the track.
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Old 12-02-2010, 05:48 PM   #6454
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Dave, did you just post "steering rack"? Let the TC3-4 go already!


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While the Alum. Spur pulleys are nice I would never run them because they add unnecessary weight to the drive train.

As for the plastic spool outdrives if you run them you'd better keep a real close eye on them. If they get notched from the dog bones they will make the car do weird things on the track.
Have you held an assembled aluminum spur assembly? Weight there seems negligible to me.

Agreed on the plastic spool cups. Worn and notched cups can prevent/resist suspension compression or rebound.

Im sure if i settle on running a front spool i will use the steel spool cups... but for me just getting to know the car and making as many changes as i am to do so... i like knowing the dogbone pins arent being ate up by steel spool cups.
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Old 12-02-2010, 05:52 PM   #6455
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Default Alloy center pulley

I have the allow center pulley and it is wearing out fast. The kit plastic center pulley are crap. There was some posts further back that mention using Sakura's centre pulley. Anyone had any success with it?
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Old 12-02-2010, 05:56 PM   #6456
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Have you held an assembled aluminum spur assembly? Weight there seems negligible to me.
Yes I have. Alum weights 2 or 3 times as much as plastic. Any weight added to my Drive train that's unnecessary is too much for me. Doesn't matter if its a 1/4 gram. IMO
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Old 12-02-2010, 05:57 PM   #6457
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I have the allow center pulley and it is wearing out fast. The kit plastic center pulley are crap. There was some posts further back that mention using Sakura's centre pulley. Anyone had any success with it?
Where is it wearing? I just purchased the alum. pulley and was surprised I had to add some shims to take out some side to side play. I am running the foam kit.
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Old 12-02-2010, 06:33 PM   #6458
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Hi guys, I was planning on going to Snowbirds and was wondering when the oval cars were coming out ? I'm trying oval for the first time and am looking for a car to buy .
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Old 12-02-2010, 06:34 PM   #6459
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I have the allow center pulley and it is wearing out fast. The kit plastic center pulley are crap. There was some posts further back that mention using Sakura's centre pulley. Anyone had any success with it?
Funny you say that, i run the Sakura and swapped to the photon centre pulleys as they make the drive train smoother
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Old 12-02-2010, 06:37 PM   #6460
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Where is it wearing? I just purchased the alum. pulley and was surprised I had to add some shims to take out some side to side play. I am running the foam kit.
I have noticed the same thing on mine the teeth actually have slight wear but I was running my rear belt a little loose I have sinced tightened it up and will keep track of the wear to see what happens ..
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Old 12-02-2010, 06:50 PM   #6461
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Where is it wearing? I just purchased the alum. pulley and was surprised I had to add some shims to take out some side to side play. I am running the foam kit.
It is wearing out the 20T pulley(silver color part) which I believe they were not hard coated or even anodized. The tooths no longer have square edges. And the toothed part of the belts are turning black in color. Typical signs of the belt chewing up the pulley.

Mine too required some shims to take out the side to side play but did not like the stack of shims and replaced it with a single slightly thinned down Tamiya axle shaft crush tubes. A single spacer is better then a stack of shims from maintenance perspective.
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Old 12-02-2010, 06:56 PM   #6462
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Funny you say that, i run the Sakura and swapped to the photon centre pulleys as they make the drive train smoother
The idea to use Sakura centre pulley was to have plastic pulleys with aluminium spur gear holders. The Photon alloy center pulley is entirely made of aluminium, aluminium spur gear holder with aluminium 20t pulley.

The problem is the belts will chew up aluminium pulleys.
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Old 12-02-2010, 07:05 PM   #6463
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[QUOTE=old-man;8290095]It is wearing out the 20T pulley(silver color part) which I believe they were not hard coated or even anodized. The tooths no longer have square edges. And the toothed part of the belts are turning black in color. Typical signs of the belt chewing up the pulley.

mine are doing the same thing,(on my second pulley set now) im going to try the low friction belts & fit a new pulley to see it it makes any difference hoping it will last a little longer if not i may go back to the to the plastic ones
but its still a great car
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Old 12-02-2010, 10:23 PM   #6464
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Hey guys,

Just curious how do you properly set the droop on the photon?
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Old 12-03-2010, 03:08 AM   #6465
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I have the allow center pulley and it is wearing out fast. The kit plastic center pulley are crap. There was some posts further back that mention using Sakura's centre pulley. Anyone had any success with it?
RW Racing here in the UK make some machined one-piece centre pulley/spur combos.

Haven't tried one myself, but I reckon they would be a good option for people struggling with the plastic pulleys.
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