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Old 01-18-2007, 06:11 PM   #406
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Hey three50zx,
Currently I don't have any issues with the steel stock pillow balls (#22007).
But, I must admit I'm still haven't broaden my learning curve to the level of high competition. There were a couple of races over the past year where I clocked the wall pretty hard, breaking a couple steering knuckles, bending a turnbuckle, and ruining a couple of pillow balls ( one crash caused by low battery and other, driver error). I would prefer the stronger, lighter titanium pillow balls. I found the manual for my car, and according to the book, there is a "Hot Option" titanium pillow ball (#22215).
I'm suspecting this new kit has an updated manual, with new options that are still in the works of being produced worldwide. If so, I'm willing to wait until they're finally made available. Until then, I have no problem with steel ones. For this kit, they are cheap to replace, more so then it was for my old MTX-3. Perhaps its an incentive to avoid hitting walls or other immovable objects! Anyway, thanks for tip.
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Old 01-18-2007, 07:17 PM   #407
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Hey Shocker, is the RTR GPX4 remote good enough for competition? Was thinking to upgrade from my 1 mth old Cen CT4s...
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Old 01-18-2007, 08:44 PM   #408
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Hey John,
To be honest, I'm not sure about the GPX4 RTR. I never had the opportunity to race one. For an opinion, as far as racing competitively, I think your best bet is to get the Pro kit, and build it to your specs. I'm not a fan of the pullstart Hyper .12 engine thats included with the RTR version, and the AM frequency radio has too many limitations. Plus the CG isn't as low as Pro version. For the cost and quality of the GPX4 Pro, it's a steal compared to other kits produced by the competition.
Just my Two Cents.
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Old 01-19-2007, 04:06 PM   #409
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i'm so glad to see this thread. i thought i was the only person driving one...
i bought my gpx4 pro kit last year when it first came to the states. i love the car and i've gotten very cool remarks on it. i have an os12 tz in it and it rocks. it handles well with the out of the box set up at most tracks i go to.

...and to think that i was about to sell it for a mugen because i couldnt find any support.
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Old 01-21-2007, 06:25 AM   #410
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Hi,
I was going to try Kyosho RRR rear hubs on my car this year are the FW-05 hubs the same and is it worth doing the mod in the first place.


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Old 01-21-2007, 07:18 AM   #411
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Thanks Shocker, actually my country have sale of GPX4 Pro RTR with carbon radio plate...of course without powerful engine and Servo...but I thinking to get radio Sanwa MX-3s with SX-165T servo with 9.5kg / 0.09 sec response...is it ok then?
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Old 01-21-2007, 09:59 AM   #412
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Quote:
Originally Posted by JOHN TAN
Thanks Shocker, actually my country have sale of GPX4 Pro RTR with carbon radio plate...of course without powerful engine and Servo...but I thinking to get radio Sanwa MX-3s with SX-165T servo with 9.5kg / 0.09 sec response...is it ok then?
Hey John,
You shouldn't have any problems with that combination. I used to have an MX-3S, and it was a good radio. Is it a 27mhz or 75mhz? The synth capability is a plus. I don't think the SX-165T is available in the states at this time, but, that .09 response is sweet!
Unfortunately, I don't think the GPX4 RTR is available yet in the states either? There are many great choices of .12 engines out there, and keep in mind, don't forget to get a decent starter box if your decide on that route.

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Old 01-21-2007, 10:08 AM   #413
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btw forget to mention...it is not pull start but do need the starterbox to start engine...which make me carry more stuff to race...
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Old 01-21-2007, 10:08 AM   #414
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Quote:
Originally Posted by Taffyjnr5
Hi,
I was going to try Kyosho RRR rear hubs on my car this year are the FW-05 hubs the same and is it worth doing the mod in the first place.


Taffyjnr5
Hey T Jr,

I'm not familiar with the Kyosho hubs, but, I'm using the aluminum locking hubs that Mugen made for the my MTX-3 on my GPX4 Pro, and it works for me very well

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Old 01-21-2007, 10:15 AM   #415
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Hey Shocker,

Thanks for your great advice. I think it is the local shop self modified as the box show it is pullstart engine with the carbon radio plate/tower...as for the radio is 27mzh and 40 mzh...may I know which Engine is great and worth to buy then?
Thanks again.

cheers
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Old 01-21-2007, 10:19 AM   #416
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Quote:
Originally Posted by JOHN TAN
btw forget to mention...it is not pull start but do need the starterbox to start engine...which make me carry more stuff to race...
Ofna/ Hobao makes a decent, lightweight starter box with plenty of power to start any .12 mill. You may end up carrying more stuff, but, that's one item I would never sacrifice or leave home without. At least the mentioned starter box is compact and lightweight.
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Old 01-21-2007, 10:33 AM   #417
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Quote:
Originally Posted by JOHN TAN
Hey Shocker,

Thanks for your great advice. I think it is the local shop self modified as the box show it is pullstart engine with the carbon radio plate/tower...as for the radio is 27mzh and 40 mzh...may I know which Engine is great and worth to buy then?
Thanks again.

cheers
John
There are too many engines to recommend. I'm currently using an O.S. .12 TZ(P) EB Modified engine, and it is a good engine. I've ran 3 gallons of fuel so far, and It's still running strong. I want to get another O.S. TZ engine with ceramic bearings soon. I'm looking either to get a Murnan Modified or a Zeppin Modified one. Check the Nitro Engine Forum for other suggestions or ideas. There are good discussions and tech talk on that page
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Old 01-22-2007, 06:14 AM   #418
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anyone else having the problem of the rear belt wanting running too far to the right side of the rear pulley? my raer belt is actually a tad bit habging off. i dont think this is good.
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Old 01-22-2007, 09:59 PM   #419
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i decided to sell my gpx4 pro- decided to concentrate on electric carpet this season. let me know if there are any takers here... send me a Pm if you're interested. i got TONS of parst too if anyone's in need. thanks.
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Old 01-23-2007, 12:04 PM   #420
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check out the 4sale section to see the huge parts lot i'm selling off for the gpx4 pro...
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