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Old 12-21-2005, 12:37 PM   #13621
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On power push comming out of corner running pink rear spring should I go to gold or try dif oil or shock angle?
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Old 12-21-2005, 09:09 PM   #13622
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Quote:
Originally Posted by rc-zombies
what's your stock rubber carpet set-up?
may try to hit Stockton or HW over the holidays...
HERE is my current setup for stock rubber carpet. this is NOT the one xxxkat was talking about. the one that he was talking about i accidentally gave someone my last physical copy of
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Old 12-22-2005, 09:33 AM   #13623
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Hey floodo,

How tight should I tighten my rear diffs? I rebuilt it. Cleaned the bearings and greased them as well.

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Old 12-22-2005, 09:36 AM   #13624
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Originally Posted by Nicadrauspro4
Hey floodo,

How tight should I tighten my rear diffs? I rebuilt it. Cleaned the bearings and greased them as well.

The instructions indicate that you should tighten the diff until you cannot get it to slip, i.e., hold the outdrives or wheels if everything is assembled and turn the spur gear. If the diff slips and allows the spur to turn, the diff is too loose. Tighten it just to the point when it stops slipping.

Ira
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Old 12-22-2005, 09:43 AM   #13625
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Originally Posted by iblumberg
The instructions indicate that you should tighten the diff until you cannot get it to slip, i.e., hold the outdrives or wheels if everything is assembled and turn the spur gear. If the diff slips and allows the spur to turn, the diff is too loose. Tighten it just to the point when it stops slipping.

Ira
Thanks Ira!

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Old 12-22-2005, 01:32 PM   #13626
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hey i left my manual at the track, can some one help me out? i need the part number of the small thrust washer for the diff. not the big D style but the little ones that go on the screw. thanks

also does HPI make a diff rebuild kit? if so whats its part #... i think ill pick on of those up too
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Old 12-22-2005, 03:12 PM   #13627
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I use asc thrust washers and balls losi diff rings and asc bolt and t nut
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Old 12-22-2005, 06:40 PM   #13628
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Originally Posted by fjm9898
hey i left my manual at the track, can some one help me out? i need the part number of the small thrust washer for the diff. not the big D style but the little ones that go on the screw. thanks

also does HPI make a diff rebuild kit? if so whats its part #... i think ill pick on of those up too
The washer that goes on either side of the loose ball bearings is part number A166. The washer that goes above the spring is Z203.

By the way, the complete manual is available in PDF form from the European HPI site. The Pro4 (non-Hara) manual is available in (annoying one page at a time) JPG form at the US HPI site.

I have downloaded both so I have access to the data anytime I'm at my PC (home and work).

Ira
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Old 12-23-2005, 07:27 AM   #13629
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Quote:
Originally Posted by floodo1
HERE is my current setup for stock rubber carpet. this is NOT the one xxxkat was talking about. the one that he was talking about i accidentally gave someone my last physical copy of
To bad..because it really works..
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Old 12-23-2005, 03:23 PM   #13630
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hi guys, can someone tell me what size spur gear to use in 48pitch ? only running 27 & 19 turn.thanx
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Old 12-23-2005, 04:57 PM   #13631
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jim beam - 75 tooth. Any larger and you will have to file the chassie a bit.
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Old 12-24-2005, 02:56 AM   #13632
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Quote:
Originally Posted by jim beam
hi guys, can someone tell me what size spur gear to use in 48pitch ? only running 27 & 19 turn.thanx
Hey Jim,

Why use 48 pitch? 64 is much smoother. Right?

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Old 12-24-2005, 06:37 AM   #13633
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Nicadrauspro4 - Its all personal preference. I still run 48pitch becuase I dont want to spend $30+ dollers on a set of 64pitch gears. I have a full set of 48 from ages ago. Others that run big mod motors use 48 as to not destroy spurgears.

As for smoothness, a 48 pitch Kimbro Spur and a Robbinson Racing Alumium Pinions are just fine. Stay away from the heavy steal pinions.

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Old 12-24-2005, 09:53 AM   #13634
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64 pitch will allow you to fine tune your roll out also.
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Old 12-24-2005, 12:04 PM   #13635
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If you want to convert from 64-48, and 48-64, then 48 pitch would be 3/4 of your 64 pitch tooth count, and 64 pitch would be 4/3 of your 48 pitch count.
-Josh
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