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Old 01-29-2008, 05:35 PM   #15481
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Hi Lazer Guy,

Thanks for the reply, so basically the colder it is, use the thinner of the two and vice-versa?

How much of a performance increase/decreas can i expect if i get it wrong? Just a little less traction out of the corners or will the car be undrivable? I dont wanna trash all my new diff parts.
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Old 01-29-2008, 07:56 PM   #15482
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Quote:
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Hi Lazer Guy,

Thanks for the reply, so basically the colder it is, use the thinner of the two and vice-versa?
Yes that is right.

How much of a performance increase/decreas can i expect if i get it wrong? Just a little less traction out of the corners or will the car be undrivable? I dont wanna trash all my new diff parts.
IMHO... Your car wont be undrivable with ether one, Just take your time braking your diff in ( Don't tighten it up till its broke in ) that is very important. A smooth diff that does not slip will give you more traction in the corners.
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Old 01-30-2008, 01:40 AM   #15483
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OK, thanks for the tips, will give it a go as soon as my shiny new balls arrive!
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Old 01-31-2008, 10:07 AM   #15484
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I put the radio gear back in the Pro 4 for the first time in 2 years just last night. I looked thru some of the previous posts looking for a rubber asphalt setup with no luck. 500+ pages is alot to look thru...
anyone have a setup to share?

Last edited by scootr117; 02-05-2008 at 08:29 AM. Reason: ........
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Old 02-05-2008, 08:28 AM   #15485
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517 pages and still looking.........Anyone have a setup??
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Old 02-06-2008, 01:08 AM   #15486
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Is this a good start scootr117?
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Old 02-06-2008, 01:35 AM   #15487
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Quote:
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517 pages and still looking.........Anyone have a setup??
It was suggested to me to try Hara's rubber tire setup in the manual. It worked for me.

http://www.rctech.net/forum/showpost...ostcount=15356

http://www.hpiracing.com/graphics/se...OAR%20Nats.pdf

Last edited by Xtant3150c; 02-06-2008 at 01:41 AM. Reason: new info
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Old 02-06-2008, 06:27 AM   #15488
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Thanks.........
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Old 02-28-2008, 09:48 PM   #15489
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I just bought a pro4 to get ready for the HPI challange this summer at one of my local tracks.
I am curious if anyone has tried running a Novak 17.5 brushless in this car yet? If so, what pinion and spur are you running?
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Old 04-01-2008, 07:32 PM   #15490
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Hey guys just purchases a pro4 without shocks. Where can I get the pro4 threaded shocks or which ones do you guys recomend and where can I get them?
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Old 04-01-2008, 07:48 PM   #15491
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the shocks that came on the pro4 hara ed. work well on high traction asphalt or carpet on rubber tire.
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Old 04-01-2008, 08:49 PM   #15492
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Cyclone shocks will fit the same. Same fixings and stuff.

Ive never really looked at the difference but i use some old pro 4 shocks on one of my cyclones. (I dont wheel the pro 4 around much anymore....)
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Old 04-30-2008, 12:06 PM   #15493
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anybody mounted lipo in the pro4 yet? i assume it should fit but is there any modding i need to do?
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Old 04-30-2008, 01:46 PM   #15494
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anybody mounted lipo in the pro4 yet? i assume it should fit but is there any modding i need to do?
Yep .. lipos slot in a piece of cake .. i tend to tape them in and then refit the posts for the battery retainer which keeps it from wanting to wrench itself backwards or forwards.. had some big shunts without problems...
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Old 04-30-2008, 02:28 PM   #15495
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if anyone is interested i got these for a the HPI Pro 4
For Sale TIR Worlds Edition PRO 4 CVD's
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