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Old 05-18-2010, 04:13 PM   #1
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Default Losi 8ight need help

Hey guys I need help with my Losi setup. This thing is pushing getting in to the corners. The rear feels locked in and won't come around you have to rely 100% on the steering servo turning far enough and it does but it just doesn't cut like it should.
Setup:
Front
Silver springs
54/40wt oil
3 degrees toe out
3 degrees camber
ride height 27
long ackerman
bump steer up
2/B camber link
1/inside shock
droop 96mm
sway bar 2.3

REAR
Green Springs
56/30wt oil
3 degrees toe
2 degrees camber
ride height 30
3 degrees anti squat
short wheelbase
droop 108
camber link 2/a
shock 1/inside


5-7-2 diffs

Clutch- 2aluminum with green springs, 2 carbon with black springs
14/48 gearing. I've got tons of power on tap so I don't want to hear about changing gearing.
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Old 05-18-2010, 04:16 PM   #2
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one thing that will really help , with the pushing problem is using the short rack steering arm . try 2 degree toe in on the, rear that should help it rotate alot beter i notice a diffrence doing that.
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Old 05-18-2010, 04:48 PM   #3
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it may also help to post in the losi forum... i'm sure those guys are experts with the car, and can answer your questions with no problem
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Old 05-18-2010, 05:06 PM   #4
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yes go with the shorter sterring ackerman arm
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Old 05-18-2010, 05:11 PM   #5
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is this a on or off throttle push? could also try more rear brake. less camber in the rear would help. could be a tire issue also.
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Old 05-18-2010, 05:26 PM   #6
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Drop to 25wt. in the rear; go to 2deg. toe out per side in the front; drop to -2deg. front camber.

I really can't imagine running that much static negative in the front. That will def. kill steering pretty quickly. Having the toe out like you do will also kill mid-corner steering a bit. It will make the car turn in and then 'go away' on you. I don't like anything over 2out per side; 1-2 out works well on most tracks.

Start here for a base setup: http://www.losi.com/ProdInfo/Files/SetupTruhe.pdf

Definitely check your brake bias. If you're 50/50 front/rear, it will push on entry, try and get the front brakes to where they don't lock up on the surface you're running on and the rears where they *just* lock at slow speeds.

http://www.youtube.com/watch?v=P6WHGXq5nfA

The car won't be far off if you start with the Truhe/Worlds setup; it really works pretty much everywhere for me (outdoor tracks).
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Old 05-18-2010, 05:31 PM   #7
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I've got almost no front brake. This is off power getting into the corner, on exit it's good. The car feels planted. The rear doesn't come around at all. It feels as if I have too much grip. No matter what tire I run it just won't unstick. I may try 2 toe out in the front and go to 0 in the rear for camber. Going to try more rear droop first.
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Old 05-18-2010, 05:34 PM   #8
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Quote:
Originally Posted by Audiobahnaholic View Post
I've got almost no front brake. This is off power getting into the corner, on exit it's good. The car feels planted. The rear doesn't come around at all. It feels as if I have too much grip. No matter what tire I run it just won't unstick. I may try 2 toe out in the front and go to 0 in the rear for camber. Going to try more rear droop first.
Are you on a really low traction surface? You really need more negative camber in the rear and less in the front if you want the rear end to come around. Go to -1 in the front and -2 in the rear and it should come around just fine.

Reducing the front toe will make it feel more linear.

Increasing rear camber *will* loosen the rear end up.

Have you tried running the rear hubs in the 'mid' position wheelbase-wise? Longer wheelbase increases steering in general; but being short should definitely take care of off-power steering.
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Old 05-18-2010, 05:39 PM   #9
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Haven't tried mid position.
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Old 05-18-2010, 05:55 PM   #10
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Try the front camber before you go changing eveything around. Might save yourself a headaache.
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