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Old 10-25-2004, 07:57 PM   #8281
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Quote:
Originally posted by Pro4Capece
Speaking of TC3 diffs.

Erik: Will the TC3 front spool fit in my Pro 4?

thanks
Im not Erik....but that would be very hard to get done as the TC3 uses Standard size bearings and the PRO-4 uses Metric sizes so unless you can get a bearing made that is standard on the ID and Metric on the OD you wont have a chance of using it. Not to mention if the outdrives are even the same size or if the spacing of the gear is even close to what it is on the Pro-4. Then at that rate you might as well just make your own out of alum....or buy the spool from TI Racing for the Pro-4 if you are in need of one that badly. Schumacher USA in FL had them in stock about a week ago.
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Old 10-25-2004, 08:23 PM   #8282
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Thanks kevin. The TiR is too weak for mod racing. I'll just wait for the spool from HPI.
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Old 10-26-2004, 12:19 AM   #8283
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i have a new one-way diff if anyone is looking to buy one.

HPI Pro4 One-Way Diff ----new-------
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Old 10-26-2004, 09:01 AM   #8284
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robk: I’m fairly certain Hara will be attending ( I think he wants a win there pretty badly) and possibly Andy Moore form the UK. If I decide to take my Turkey-day vacation, I might have to see the sights in Independence also. Thad is tentative at the moment.

Rookie Solara: The only item the team drivers address is to tack the M2 locknut into the holder with a bit of CA to keep it from “rocking” back and forth. Be careful not to get CA on the nylon portion of the nut. The newest ball diffs have had a bit of attention on the grinding of the spring ends with good effect. As long as you do the CA bit and “pre” compress the spring 4 or 5 times, we have no issues with the diffs.

Aurra Sing: Is that thrust bearing a caged set of thrust balls similar to a Losi item?

Pro4Capece: Kevin K “hits the nail on the head.” It is possible, but would be very expensive.
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Old 10-26-2004, 11:58 AM   #8285
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Erik: I just want to give you props on an awesome design, and props to HPI for not skimping on the materials and craftsmanship aspects of the platform.

I ran X-rays for the longest time, simply because they were the only cars that didn't require a fairly substantial amount of re-engineering, (i.e. chassis machining, Brand X parts on Brand Y cars etc.)

My PRO4 went together as well as any of my X-Rays, (and that's a pretty major accomplishment), and performed very well the first time out. With a little tuning I feel it will be as good, if not better than my previous car.

Just wanted to let you know it's job well done.
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Old 10-26-2004, 04:19 PM   #8286
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Hi, anyone got a good setup for running a monster stock on a large open asphalt track on rubbers?

Cheers,

Mossie
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Old 10-26-2004, 04:33 PM   #8287
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Mossie
My car isnt going too bad now though it is on foams i am sure it will work ok with rubbers, but havent tried it yet... running stock, ill send it thru tonight
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Old 10-26-2004, 05:18 PM   #8288
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Though I'm no expert on asphalt, most guys who race it said the box stock setup is really good. I only mention it because so many guys liked it.
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Old 10-26-2004, 05:22 PM   #8289
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do people run sway bars on asphalt?

Cheers,

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Old 10-26-2004, 05:29 PM   #8290
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i removed them and the car was MUCH better, refitted the copper one to the rear and the car was too loose.
I am also running a diff up front at the moment cos we have a lot of stop start short straights etc
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Old 10-26-2004, 05:33 PM   #8291
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also run the rear upper links long - the hole on the gearbox mount closest to the middle, and on the hub carrier closest to the wheel
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Old 10-26-2004, 06:01 PM   #8292
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Quote:
Originally posted by Erik Shauver
Aurra Sing: Is that thrust bearing a caged set of thrust balls similar to a Losi item?
I haven't seen how the Losi bearing looks like, but yeah, it's a 1-piece thrust bearing with the balls caged inside. 10x more easier than building the thrust bearing with all its small pieces. The diff action is also much smoother (no "tight spots" when you spin the diff.)
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Old 10-26-2004, 07:43 PM   #8293
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hi to all out there i just got and finished my pro4. Upon competion i lost the two plastic pieces that hold up the battery bar. Do any of you know where i can get another set??
thnx
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Old 10-26-2004, 09:33 PM   #8294
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Question for Nexus on setup

Hey Nexus.....that setup you gave me was there any end measurment on the front and rear swaybars??? Also what spacers are you running behind the rims?? I couldn't get any HPI springs and the Losi springs are a bigger diam. So I found some Associated TC3 with the same rate that fit, they gonna be ok?
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Old 10-27-2004, 01:37 AM   #8295
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Erik, you've got mail.
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