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Old 04-25-2011, 08:16 AM   #436
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Last edited by Riketsu; 04-25-2011 at 08:17 AM. Reason: Woops, forgot this was the 1/8th, lol
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Old 04-25-2011, 09:55 AM   #437
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Originally Posted by Vector03cobra View Post
Mugen grey on all 4 corners
Or Mugen white. those are what I would try.
Thx man, I got MRX5 with both F/R in white spring, its pretty good in the same track. But think about RX8 is heavier than MRX5, this is my worry.

Bought new set Mugen white F/R spring, give it a try later on.
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Old 04-25-2011, 09:58 AM   #438
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Rear springs only:
Xray light purple are very close to Mugen grey and Xray light red are close to Mugen white
U mean give it more weight transfer at rear with softer spring only?
Keep the original black spring at front?
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Old 04-25-2011, 10:29 AM   #439
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U mean give it more weight transfer at rear with softer spring only?
Keep the original black spring at front?
I was just giving you comparison between Xray and Mugen rear springs for reference, as I have measured them some time ago.
Mugen White rear springs are ~37 lb/in (6.5 N/mm or Xray "C" rating), Grey are 30.5 lb/in (5.34 N/mm). Mugen white fronts are 50 lb/in (8.8 N/mm), Gray fronts are 41.3 lb/in (7.24 N/mm)
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Old 04-25-2011, 07:52 PM   #440
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I was just giving you comparison between Xray and Mugen rear springs for reference, as I have measured them some time ago.
Mugen White rear springs are ~37 lb/in (6.5 N/mm or Xray "C" rating), Grey are 30.5 lb/in (5.34 N/mm). Mugen white fronts are 50 lb/in (8.8 N/mm), Gray fronts are 41.3 lb/in (7.24 N/mm)
Thx!, this is most important, no idea about how heavy of Mugen spring, it only shows the diameter. I will try see hows going on, thx!

BTW, what about the lbs of stock black spring? I think its much heavier than Mugen white.
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Old 04-26-2011, 03:41 AM   #441
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The black springs are too hard on bumpy track. When I followed the basic set up, it worked fine, just little bumpy.

When the roll center lower, the car was really bumpy like hell.

Im now change the Mugen grey at front and Xray red at rear, the feeling is:
-Front is too heavy
-Rear is ok, but not willing to turn

which is the best spring combination for bumpy road?
If you are saying you dont have enough steering with this combination what about trying the radio plate flex buttons ? As I understand it the theory behind introducing flex is to increase steering.

What springs were the team using during the WC in Miami ? as they seemed to be Red ones on Swuager's car are those genuine Xray ones ? If so are they the same as NT1's ?
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Old 04-26-2011, 07:35 AM   #442
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Yes at the WC the whole team ran Xray springs. On the front they were the 7.0 springs and on the rear its was the red spring, which is from the old spring kit.

Thanks Drew
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Old 04-26-2011, 09:23 AM   #443
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CSO 7075 T6 Pinion Gear Released !
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Xray RX8 1/8th Scale-cso-rx-8021.jpg   Xray RX8 1/8th Scale-cso-rx-8022a.jpg  
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Old 04-26-2011, 09:52 AM   #444
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Originally Posted by eigthracer View Post
If you are saying you dont have enough steering with this combination what about trying the radio plate flex buttons ? As I understand it the theory behind introducing flex is to increase steering.

What springs were the team using during the WC in Miami ? as they seemed to be Red ones on Swuager's car are those genuine Xray ones ? If so are they the same as NT1's ?
When I'm with MRX5, I made it in flex, cornering is good for short time because the flex return to mid position was off.
And its only a little different, just increase the rear weight transfer.
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Old 04-26-2011, 09:53 AM   #445
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Yes at the WC the whole team ran Xray springs. On the front they were the 7.0 springs and on the rear its was the red spring, which is from the old spring kit.

Thanks Drew
So is the black spring a 7.0 spring?
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Old 04-26-2011, 10:03 AM   #446
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So is the black spring a 7.0 spring?
Front springs that come with the kit are 8.0 I think, number is engraved on the coil
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Old 04-26-2011, 11:19 AM   #447
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Yes at the WC the whole team ran Xray springs. On the front they were the 7.0 springs and on the rear its was the red spring, which is from the old spring kit.

Thanks Drew
Are you and Paulie in Cali this weekend? Good Luck - I'll be shaking down the RX-8 down the freeway on Sunday. I'll stop by to say hey!
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Old 04-26-2011, 12:35 PM   #448
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Are you and Paulie in Cali this weekend? Good Luck - I'll be shaking down the RX-8 down the freeway on Sunday. I'll stop by to say hey!
bring it to Vegas...........
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Old 04-26-2011, 04:33 PM   #449
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i have red and violet xray springs the red's are 1.9 38lb and the violet's are 1.7 28 lb, are these the reds you are referring to, i got these numbers off the paper that came with the kit, i had a whole kit at one time, these were for the touring car, will these work for the 1/8, i sized them up with my mugens they look the same inner diamter, just not sure on the lb's etc? if not does anyone have any part numbers of the right springs to use.. thanks
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Old 04-26-2011, 04:45 PM   #450
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Are you and Paulie in Cali this weekend? Good Luck - I'll be shaking down the RX-8 down the freeway on Sunday. I'll stop by to say hey!
Let us know how it goes with the shake down. I have our first RX8 almost finished and with the kit setup. At first the car looks very simple but once you build it, you realize there are quite a few things going on setup wise with the car and several setttings that can be used. Car is going together perfectly. We are looking forward to running them soon.
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