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Old 06-25-2013, 04:48 PM   #361
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Bumper is bent, gotta buy a new one
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Old 06-26-2013, 07:42 AM   #362
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Then it came bent lol...
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Old 06-26-2013, 08:24 AM   #363
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Finally get to run my car agsin this weekend!
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Old 06-27-2013, 03:28 PM   #364
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Finally done..... Now stuck waiting until the weekend to go race lol
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Old 07-03-2013, 08:22 PM   #365
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Quote:
Originally Posted by 2CARTEAM View Post
Are you refering to the carbon wheels disk that attach to the front and rear uprights? If so yes they are worth the investment. The enhance stabilty and help to increase steering. You may want to consider a few other options that will help in the tuning of the car.

1. Alum Servo saver
2. Soft and hard anti roll bars for front and rear.

Hope this helps.
I would add SER903580 Weight bottom brass 38gr. Start with the weight all the way rear.
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Old 07-10-2013, 11:26 PM   #366
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What other shock shaft can fit the 977 rear?
I am looking for shaft that are at least 2-3mm longer.
Any solution?
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Old 07-11-2013, 07:09 PM   #367
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What other shock shaft can fit the 977 rear?
I am looking for shaft that are at least 2-3mm longer.
Any solution?
Try the 966 shafts.Not sure why you need longer shafts.
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Old 07-11-2013, 08:26 PM   #368
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Just ran my viper last week.
My car was understeering when im using Matrix Xtreme Rim(offest tyres).
Even I did changed the width after i have these offest tyres.
What should I in my car?I need help!
thanks
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Old 07-12-2013, 04:00 AM   #369
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Post your set up here and I'm sure someone will be able to help.
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Old 07-12-2013, 05:08 AM   #370
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How much split between front and rear tire size are you guys running ... been told 7mm but my car seems better with 6mm
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Old 07-12-2013, 05:51 AM   #371
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Default Tire Split

The car will run better with a 7-8mm split, nice overdrive. Good starting point is 66-74, then go from there depending on tire wear and length of main/heats.
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Old 07-12-2013, 07:16 AM   #372
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Quote:
Originally Posted by Racermac73 View Post
How much split between front and rear tire size are you guys running ... been told 7mm but my car seems better with 6mm
Varying your split or overdrive is just another tuning aid , the 6mm split will make the car more stable coming off a corner see post 340 for a link to the Serpent overdrive calculator.
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Old 07-12-2013, 09:03 AM   #373
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I followed everything on the default setting, but the car is still understeering. Tyre: 67/74mm height:7/8mm
That's the only thing I changed.
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Old 07-12-2013, 10:38 AM   #374
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Quote:
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I followed everything on the default setting, but the car is still understeering. Tyre: 67/74mm height:7/8mm
That's the only thing I changed.
Make sure your suspension is not binding.

Here are some changes from the default set up that you can try.
Assuming your running Matrix 32 shore fronts and 35 rears.

If you run at a technical track with tight turns or 180's shorten your wheel base both front and rear lower A-arms.
With 4 or 5mm caster spacers in front of upper front A-arm.

250 mm front track width.

Lower front shock position.

Move front upper A-arm insert to the inside position.
Increase front axial offset by moving the shims.

Mount Body more to the front.

Make sure your bumper is not bottoming out on the pavement. If so increase ride height.

Make front and or rear shock dampening and or spring changes.
You should not need to do this but you could use an optional softer front bar or hard rear bar.

Also make sure you are using a strong enough steering servo and enough duel rate.

Hope some of these ideas help.
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Old 07-17-2013, 08:50 AM   #375
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Default Nationals

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