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Old 07-31-2005, 03:04 PM   #8296
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I never really had a problem with em bubbles. I think I'll go retune my car a bit and change the shock oil. From what I remember the stock oil is still in there so I'll try my 50wt front and 40 or 45wt (whatever I had) in the rear. Those HPI R40 tires really do have some grip. I should probably get more of them tings. Anyone running the mugen grey show and silver spring on their R40? I'm gonna do some quick tune ups with the stock setup since they worked great for me. I think the adjuster nut came loose so time 2 whip out the threadlock.
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Old 07-31-2005, 03:50 PM   #8297
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Im going to be running the mugen grey disc this weekend with the stock hpi spring. Im hoping for some good things.
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Old 07-31-2005, 04:15 PM   #8298
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i've been running the grey mugen shoe with a gold mugen spring (i believe it came with my mtx-2 prospec kit) with good results.

it has a defined punch and never binds on me. very reliable. also after the recent ohio challenge, the new grey shoe I installed for that race is still that.. new good wear and good grip on the clutchbell!

just to note i came 2nd in nitro mod
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Old 07-31-2005, 08:40 PM   #8299
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are you guys using the 4 gear diffs for both or just the front...i was thinking about picking them up...i was gunna go with 50k front and 30k rear....im mostly in parking lots any advice would help
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Old 07-31-2005, 10:07 PM   #8300
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When you use a 4 gear diff you're effectively doubling the differential action/resistance. There's more friction in there, but also less load then just 2 gears pounding away
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Old 08-01-2005, 05:27 AM   #8301
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Just to note. I let my shocks sit out for about 5 hours. Came back and they were crystal clear, not a bubble in sight. Before they were a little cloudy and had a bunch of bubbles no matter what I tried really. Im glad the silicone can do that.

Now ive got some ultra smooth shocks.
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Old 08-01-2005, 05:52 AM   #8302
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Is there any option belt for the r40? Does any mugen or serpent belt fits on this car?

Last edited by ontheroad; 08-01-2005 at 06:05 AM.
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Old 08-01-2005, 07:49 AM   #8303
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Quote:
Originally Posted by ontheroad
Is there any option belt for the r40? Does any mugen or serpent belt fits on this car?
Optional belt, I can not answer that one. However, owning both a Mugen and Serpent car, none of the belts work. I had one break on the rear and the Mugen belt was just a bit too small (couldn't stretch it to work unless compromising it integrity) and the serpent belt was too big (needed a heavy-duty tensioner).
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Old 08-01-2005, 09:40 AM   #8304
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Quote:
Originally Posted by ontheroad
Is there any option belt for the r40? Does any mugen or serpent belt fits on this car?

Just curious - why are you needing an option belt?
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Old 08-01-2005, 11:12 AM   #8305
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I think the v-one rrr front belt should work. It has the same number. I will have mine shortly to verify. You can also get the HPI urethanes from Champ International via email:

[email protected]

I ran one of these yesterday at Toledo.
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Old 08-01-2005, 12:26 PM   #8306
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Quote:
Originally Posted by thisisagame24
are you guys using the 4 gear diffs for both or just the front...i was thinking about picking them up...i was gunna go with 50k front and 30k rear....im mostly in parking lots any advice would help

The 4 gear is normally used in the rear diff. The 2 gear with heavier oil seems to work fine in the front for me. Hmmm.. now I'm not so sure I didn't do the 4 gear in the front too.
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Old 08-01-2005, 12:29 PM   #8307
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I'm thinking of getting the front one way diff and toss the stock front diff in the rear.
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Old 08-01-2005, 12:32 PM   #8308
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Quote:
Originally Posted by Artificial-I
Just to note. I let my shocks sit out for about 5 hours. Came back and they were crystal clear, not a bubble in sight. Before they were a little cloudy and had a bunch of bubbles no matter what I tried really. Im glad the silicone can do that.

Now ive got some ultra smooth shocks.

It sounds like you are working the piston up and down too fast. When you first fill the shock, fill 1/2 or 3/4 way and work the pistion very slowly, making sure you don't raise the piston above the top of the shock oil. Then let it sit for 15 to 20 minutes. The shock oil should be crystal clear. You then top it off and close it up. The key is not to get the tiny bubbles in the oil in the first place (kinda reminds me of a song).

Also importaint is to get the rebound so that its the same on all 4, or least the same for the left and right shocks.
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Old 08-01-2005, 12:34 PM   #8309
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Quote:
Originally Posted by HarKonnenD
I'm thinking of getting the front one way diff and toss the stock front diff in the rear.

The front diff won't fit in the rear. The internals and outdrives are the same, but the casing and gear are different.
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Old 08-01-2005, 08:28 PM   #8310
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Having both one-way and diff is invaluable in trackside setup. But usually just by navigating the track a few laps you can see which would be more suited. On a technical track using 2 by 4's as barriers with 180's or 90 degree turns, using a spool in the front is the best option. On a slightly more flowing, small track, a front diff would be appropriate. If the track is shared by 1/8th scales, then a one-way would be better suited. When I run at Floyd I usually use a one-way or a heavy diff in the front, because of its flowing, symmetrical layout.

Quote:
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I'm thinking of getting the front one way diff and toss the stock front diff in the rear.
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