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Old 02-16-2006, 10:31 PM   #10546
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Quote:
Originally Posted by JRX-S Bill
If you read above...What should I do to free the rear end up?

Lower the rear roll center 1 shim or go full low if your not using any shims. Try that.

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Old 02-16-2006, 10:32 PM   #10547
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BTW--What is the #3 set-up? Can you post it?

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Old 02-16-2006, 10:48 PM   #10548
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Quote:
Originally Posted by POOKYT
Lower the rear roll center 1 shim or go full low if your not using any shims. Try that.

Brant
I am already there...

Harder rubber in the rear?
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Old 02-16-2006, 11:24 PM   #10549
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Quote:
Originally Posted by JRX-S Bill
Jaco 2 Stage foams likes larger sized tires being in the 58-60 cm range. And "overdrive" sizing of tires appears to be very promising for the JRX-S.
You ain't kidding... it must look like a Monster Truck with that size on them...

Must be hard to fit it on your pit-table as well...

(Sorry Bill, I couldn't resist poking fun at your metric conversion )
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Old 02-16-2006, 11:31 PM   #10550
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Quote:
Originally Posted by 2-Bad
You ain't kidding... it must look like a Monster Truck with that size on them...

Must be hard to fit it on your pit-table as well...

(Sorry Bill, I couldn't resist poking fun at your metric conversion )
You'll have to excuse Bill..........He got a deal on some calipers off of Ebay and I guess they are not such a deal after all !!!! LMAO And.....just because everybody else on the planet uses the metric system, I think you guys should convert all of your numbers over to our standard system.

" Why Yes My Dear!!!!!!................That really IS 12 inches!!!!" hehehe sorry--its late--and I need to go to bed!

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Old 02-16-2006, 11:37 PM   #10551
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Quote:
Originally Posted by JRX-S Bill
I am already there...

Harder rubber in the rear?
I dunno really. Maybe lower the front a bit to gain steering and loosen it up or shorten and lower your rear camber link. I'm not sure.......Maybe Randy can help us out. Keith B.!!!!!!! What do you think??????

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Old 02-16-2006, 11:47 PM   #10552
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Gotta think that Matt F will be at Stockton on Saturday...

And I like the shock mod idea.
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Old 02-16-2006, 11:55 PM   #10553
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Quote:
Originally Posted by Keith Billanti
LMAO.. thats good.

Randy= Cant wait. Cyrul says it gives more traction... and i think I agree.. but at the same time, it made the car have more steering. I think this is due to faster weight transfer front to rear.. Cant wait to hear what you find..


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Just got back from the track, I ran the shocks in front of the arms for about 10 packs. It took me about 3 packs to get used to how the car felt, and I'm still a little unsure if I like it or not. Felt like it wanted to rotate a lot harder out of the corners, but was very stable going in. The problem is SoCal raceway is so much different early on than it is later on in the day, that it's hard to get results by laptimes. I'm going to try it back to back with the normal settings on Sat and will post more conclusive results.
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Old 02-16-2006, 11:56 PM   #10554
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Quote:
Originally Posted by 2-Bad
You ain't kidding... it must look like a Monster Truck with that size on them...

Must be hard to fit it on your pit-table as well...

(Sorry Bill, I couldn't resist poking fun at your metric conversion )
Oops! My bad...mm not cm.

But, I think I got something good with the overdrive setup via tire sizing.
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Old 02-17-2006, 12:00 AM   #10555
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Easy way to tune is with camber, generally more negitive = more traction, less negitive = less traction. Maybe less toe-in as well.
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Old 02-17-2006, 05:09 AM   #10556
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Cool Randy--Thanks for the update.

Bill--Sounds like this shock mod may be what your looking for too.

Have a great day guys! Later

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Old 02-17-2006, 06:45 AM   #10557
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Randy= I knew that would be your reply. This mod gave the car a ton of rotation, on carpet where traction is easy to obtain.. On asphalt.. Im betting other stuff would need to be tweakd.. did you run the high rear roll center?


JRXSBill- story of my life What to do to free the rear end up? Honestly, i think that is not the way to look at this car. On foam anyway. I would be looking to make the front end work more. For this, i definately say high rear roll center, and my shock mod. Shock mod puts more weight to the front end faster, and the roll center forces the front end to "give up" first. It should give you all the corner rotation you could want.. without sacraficing rear bite.

unfortunately I am working this weekend.. but next weekend is the final leg of the CRL.. hopefully I can have the same car I had last weekend again and then I will claim that series.
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Old 02-17-2006, 08:00 AM   #10558
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Thanks for all the input guys.
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Old 02-17-2006, 01:09 PM   #10559
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I ran high roll, with .030 pro-squat.

edit: this is Randy, forgot I'm on Josh's computer lol.
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Old 02-17-2006, 04:14 PM   #10560
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Randy where can I pick up a checkpoint 19 turn because great plains does not have them in stock and I would like to get one before March 10th
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