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Old 09-05-2013, 09:25 PM   #5896
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Maybe a little lighter for softer motors but not much. I think I used 2k last time I ran 17.5 & it felt pretty good. Tuning the diff is about balancing turn-in and on-power grip and for me it's pretty rare to go outside the window of 2-4k for 80% of tracks


Arrr sorry I misread your post, I thought you were proposing 600cst rear diff.

Yes I think 600k is too light for the front, I always use putty. Maybe you could use 1mil or 2mil oil in 21.5. I have a suspicion the front diff will make traction roll worse as it will let the front roll deeper into the corner, see how you go I guess.
Ill check with them and see if they got 1mil. Thanks

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George my 417 traction rolled in both heats and in the bmain I missed the a main by 1 second and the traction roll was the killer. I thought it was my tire choice I was running 30's the car was too hooked up if I drove hard in any fast corner the car rolled over? I rolled it in the turn at the end of the straight in the first heat in the second heat I rolled it exiting the sweeper. In the B main while leading rolled it entering the turn at the end of the back straight. As fast as the guy's in 17.5 are you can't come back from any big mistakes. I have a front diff it still rolled so I can only hope I spray the track this week so the grip is not that high!lol
Hahahahaha no just do it the same way as usual. I need to let off in turns

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George I tried the 600k in the front gear diff and it gave me really no steering.
Damn, eager to try gear diff.
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Old 09-05-2013, 09:42 PM   #5897
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George those smokem kits will be here by next Wed.
Tits!!!
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Old 09-05-2013, 09:43 PM   #5898
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Ill check with them and see if they got 1mil. Thanks



Hahahahaha no just do it the same way as usual. I need to let off in turns



Damn, eager to try gear diff.
I have 3 racing diff grease it is at least 1 mil and I have Tamiya diff puddy. I will give you what ever you need
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Old 09-05-2013, 09:51 PM   #5899
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George those smokem kits will be here by next Wed.
Woot!!
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Old 09-05-2013, 09:53 PM   #5900
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I have 3 racing diff grease it is at least 1 mil and I have Tamiya diff puddy. I will give you what ever you need
K, thanks. Ill check with ht since I got to get those trfs shock o-rings. If they don't have them ill borrow some....by the way I got your plastic ball stud poper. Ill try to come out early and help set up track.
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Old 09-05-2013, 10:01 PM   #5901
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I'm running 1k in the rear diff right now and my car seems to be really good. The car rotates a lot harder. I'm running a 4.5 and as long as you have some kind of throttle control the car doesn't do anything weird.
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Old 09-05-2013, 10:13 PM   #5902
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Strange that you guys are traction rolling on asphalt. Can you post a full setup sheet and some pics/video of the track?

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Question Craig, what would a high roll center in front and a lower roll center in the rear do to the car. Also I'm running 1.5 of camber in front and 2 in the rear it handles fine but in blinky withers to high traction would 1.5 all around be better?
You should lose steering and gain rear grip. I find the low RC in the rear makes the car pretty unstable, so I stick to 0.5mm under the blocks. I think you should stick with 1.5/2, I found my car is more likely to roll with 1.5 rear camber

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I'm running 1k in the rear diff right now and my car seems to be really good. The car rotates a lot harder. I'm running a 4.5 and as long as you have some kind of throttle control the car doesn't do anything weird.
It really depends on the traction level. At AOC recently I was diffing out with 2k, 3k was not as fast but it was all I could do to have a consistent car once the grip came up.
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Old 09-05-2013, 10:31 PM   #5903
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Craig this is a video of a nitro main but this is our track. F1 cars were super hooked up last week the grip level was off the charts we race at night and the grip level comes up as the track cools off. Last week we were running lap times when the sun was out that we don't usually see till 10 pm at night.
+ YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.
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Old 09-05-2013, 10:35 PM   #5904
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Craig my rolls are according to manual. 3mm shims outside and inside in rear and 4mm front inside. I tried to remove the 1mm but the ball stud is too long and it touches the outdrives.

This are all the pics i have as of now, i can get closer ones on sat.

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Old 09-06-2013, 12:47 AM   #5905
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Only a few days to go guys... Going cheap!!

TAMIYA TRF 417V5 WX Premium Package X 2 - RACE PACKAGE SELLOUT!!
Only 7 hours to go - Absolute bargain!
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Old 09-06-2013, 04:44 AM   #5906
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Wow nice track, wish I had visited Fresno when I was in the US earlier this year! Is it sugar water or VHT? What chassis are you guys running, V5s?

I have an old setup from TITC 2012 which you might be able to use elements of:
http://www.petitrc.com/reglages/tami...Phee_TITC2012/

This setup has extra anti dive and a higher rear RC to reduce grip at both ends. It also has more rear camber change than usual to stop the car getting up on the outside of the rear tire and traction rolling, so it may help on your track
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Old 09-06-2013, 08:01 AM   #5907
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Craig we are using coke syrup a in a 15 gal ag tank that puts down a solid 8' wide path. It is very tacky don't where flip flops they would be stuck to the track.
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Old 09-06-2013, 09:40 AM   #5908
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Nice pictures George!

Maybe if you and Brian ran slow lap times like me, you wouldn't traction roll. Hahahaha
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Old 09-06-2013, 07:34 PM   #5909
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Nice pictures George!

Maybe if you and Brian ran slow lap times like me, you wouldn't traction roll. Hahahaha
What u talkin bout willis!!! You ran good too!!
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Old 09-08-2013, 10:41 AM   #5910
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Dose any one know what front belt would fit the raceberry chassis kit
Also dose any one have a carpet setup or it
Many thanks guys
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