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Better Set-Ups.... -
12-20-2005, 08:12 PM
Looking for some advice about what the best diff set-up would be for the upcoming indoor season.
I've been told everything from extreamly thick to water thin. By now I'm a bit lost. A 2 year 9.5 Pro racer from the OFNA Board told me to go 10-25-1. That he tried everything and for this ride he was best off with this. Never really said if this was for indoor clay racing or outdoor loose track conditions. Slim (sup-nugga) explained to use 3-3-3 on a dry clay track and different still on a wet clay track. As you know set-up is a big part of getting your buggy to handle right. And not really knowing anything more than a common sense approach - it seems best to dig up some good answers. Now that the LH track will be open - early to mid January I wanted to post the topic of Diff oil combinations for 1/8 buggies. Hopefully everyone who posts could explain why their recipie is the best. Oh... Also need some feedback/reviews on the Panther Switch Clay tires vs. the Proline Inside Job tires (now avalible in super soft M2 compound) If you've used either or better both and could suggest which set is best. Mainly looking for maximum traction. Figure if it sticks better I'd race better.....  
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12-20-2005, 08:34 PM
I cant comment on the diff setup but I just wanted to add about the tires.
At the track I used to run at in KS it was a smooth clay track and a couple of guys had tryed the inside jobs and said they had great traction. Great forward bite but they did say that at times they felt that when the track had been wet down then let dry there was was a little to much side bit and they would have to sand down the outside rows of pins to get rid of it a little other wise they would have traction roll on the long sweepers. I hope this help out some.
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12-20-2005, 08:41 PM
It was the M2 compound, I can ask them how they felt the tires where when the track dryed out some but I only wathced and asked them how they where after the track was watered then dryed
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12-20-2005, 08:45 PM
Wow 10 25 1 sounds like an outdoor setup on a loose track or a truggy, but as that guy told you that works best for him. I think Slims setup (Sup Nugga) is more inline for tight turns and high traction. I personally have used 5-10-3, 5-7-3, and now 3-5-1 in my mayhem and cant tell a damn bit of differance. What does this tell me? Drive drive drive till I can tell the diffrence.
Lighter in the rear does seem to help it turnMBX5T - O.S. MBX5R - Novarossi Nomadio
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12-20-2005, 09:51 PM
Well I can tell the 5-10-1 in my mayhem st.
Stock is 5-7-1. with it like that my front tires were spinning out. Since I changed to the heavier weight on the center it seems to be more evenly spread with the wheels spinning. I mean the distribution of power between the front and rear seems more balanced. I also upped from 35 wt to 45 wt on the front shocks and that seems to keep the front end from nose diving into the ground so bad. I stuck with the 30 wt with the rear shocks. With these changes and the bow ties---it hugged the tight track on hard surface at Newberrys. If your not breakin parts your not going fast enough-Biodragen NTC3 RTR assoc .15 NTC3 OS .18 Losi 8T, JR8611a ST servo, Futaba 9350 Th\Brk Servo, RB-C6BB Motor and Novarossi 528XR.
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12-20-2005, 10:28 PM
Try
5k/7k/3k in the Ofna Shocks 60wt in the front, 40 in the rear -2* camber on 4 wheels 3* rear toe -2* front toe If you can get the Ofna light blue springs for all 4 shocks.
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12-21-2005, 11:57 AM
Very funny - MX Kevin.
I can't really tell anything from the changes either. It must do something. Seems like thick would pul the car through the turn better - if used in the front - both tires turning more than only one tire turning. The rear seems like it would push the turn if it was too thick. Heavy in the center would send power to both the front and the rear making more forward traction because of increased "4 Wheel Drive Effect" Proves the 10-25-1 theory. Anyone know what really thin does?
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12-21-2005, 12:11 PM
60-40 in the shocks would be way too stiff. The buggy has like 20 or 25 in it now. Any thicker would make the suspension so slow I would be rebounding off of the first half of the double after the second half.
I compared how quickly it reacted by pushing the back and front of my buggy up & down with some of the A Main guys and I was way slower. It must have smaller holes in the pistons or something. I had to go really light on the oil to get mine the way the better racers had theirs. Apparently slow and stupid doesn't well on a tight and technical track. But would work well on a long rough track. Logical to think the A Main guys are in the A Main because they know more and set-up their rides so everything works better. Either copy them or keep messing with everything until you know for yourself... Anyway, 60-40 won't work in my ride. Know anything about drilling out pistons??
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12-21-2005, 12:19 PM
One thing you must remember almost all a main guys are not racing a Ofna 9.5. All Iknow in my sp2, and in alot others 60 /40 shock oil is not unheard of.
** Heavier center diff fluid, takes power from the front and sends it to the rear. Also just takes someone set as a basis, because driving syle also determines how you should set up your buggy
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12-21-2005, 12:24 PM
a-main guys are in the a-mains because they are good racers too! i run 5/7/1 in my diffs on my 9.5 and could tell a huge difference in my buggy when i switched from 3/3/3 the buggy stopped pulling throught the corner and started pushing itself through them. the front tires stopped spinning which improved tration off the line. like i said in a previous thread go out buy a bunch of diff oils and find out what works best for you! i got lucky a generic setup works for me.
on the tires i have no clue?
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12-21-2005, 03:22 PM
If you can pick up a copy of the Xray instruction manual it comes with a whole thing on tuning and tell u basically what happens when u change anything on your buggy I highly reccommend it,
Maybe slim dog can go scan his onto here?????  www.czech-it-out-graphics.com 1/29/07 never forget....TTT  Bringing old know-it-all blow hards back to reallity at a forum near you "Always Imitated, Never Duplicated"
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