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Old 07-11-2010, 06:36 PM   #5461
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Hi i was puzzled with the same problem when breaking in a new enigne, clutch would not engage even revved at a pretty high RPM, i have tried pretty much everyhting but problem persisted , i brought my car to a track and have a local expert looked at it. the clutch was properly set and all number looked decent. When i started leaning out, the problem magically improved to a point it was gone. Xray clutch is rather sensitive, so once you start to leaning out your engine then it will work out fine. You numbers look fine, just give it a try hope it helps
same problem here . so i just started leaning out little at a time and it got better
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Old 07-11-2010, 07:17 PM   #5462
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Alright thanks all... I'll accept that everything is right but the engine is too rich engage the clutch properly. I don't want to over rev the motor though. I'm not new to nitro but I'm new to these types of clutches. A standard 2 shoe clutch would definitely engage with the engine RPM I'm seeing.

Any suggestions on how to do the break in then? I guess I'm just going to continue running it like it is (1/4-1/2 throttle to get it rolling), then gradually start leaning out and hope the clutch engagement gets better.
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Old 07-12-2010, 05:09 PM   #5463
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Hi Guys . What are the stock silver spring rated at ? front and rear ?
thanks
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Old 07-12-2010, 05:21 PM   #5464
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Hi Guys . What are the stock silver spring rated at ? front and rear ?
thanks
If memory serves correct its 33 and 28? I will double check.

Yup, from the xray forum by Brano Bulko (xray slovakia employee) Silver Springs from kit

The silver rear springs (long) included in the NT1 kits are similar to the #308396 - Spring-Set D=1.7 (28 LB) Violet (4) and the silver front ones (short) are similar to the #338185 Spring-Set D=1.8 (33 LB) Light-Purple (2)
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Old 07-12-2010, 05:31 PM   #5465
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Don`t listen to RX-7, he knows nothing,lol,lol,lol,lol,lol,lol
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Old 07-12-2010, 05:40 PM   #5466
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Don`t listen to RX-7, he knows nothing,lol,lol,lol,lol,lol,lol
God your a pain, lol. Did you ever get those measurements from the top deck that someone asked for 3 months ago?

Since you know everything, what are the spring rates? jerk lol
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Old 07-12-2010, 06:22 PM   #5467
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If memory serves correct its 33 and 28? I will double check.

Yup, from the xray forum by Brano Bulko (xray slovakia employee) Silver Springs from kit

The silver rear springs (long) included in the NT1 kits are similar to the #308396 - Spring-Set D=1.7 (28 LB) Violet (4) and the silver front ones (short) are similar to the #338185 Spring-Set D=1.8 (33 LB) Light-Purple (2)
thanks
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Old 07-13-2010, 08:44 PM   #5468
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Hi guys, got a question for you all. I would think that this one has come up before. I ran a 45 min main on Sunday and around the 25 min mark the brakes started to fade. What is the best fix for this? I just have stock brakes but wanted to hear your thoughts for this fix. Thanks MK
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Old 07-13-2010, 08:46 PM   #5469
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Hi guys, got a question for you all. I would think that this one has come up before. I ran a 45 min main on Sunday and around the 25 min mark the brakes started to fade. What is the best fix for this? I just have stock brakes but wanted to hear your thoughts for this fix. Thanks MK
YOu were at Blue Diamond? KM Racing brake pads are the best.
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Old 07-13-2010, 10:25 PM   #5470
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Hi guys, got a question for you all. I would think that this one has come up before. I ran a 45 min main on Sunday and around the 25 min mark the brakes started to fade. What is the best fix for this? I just have stock brakes but wanted to hear your thoughts for this fix. Thanks MK
cutting the stock pads and using return springs works. If you can get your hands on the KM racing bits they work well. I have been using Mugen MBX6 brake pad material. I hear good things about the Capricorn pads too, But I can't say because i don't have personal experience. I am liking the xray optional disc with mugen pads. The stock disc had the vents that once worn would grab a bit 4 times per rev. You don't have to get the other disc, but the mugen pads make a decent amount of heat.

Cheers,

Patrick
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Old 07-14-2010, 02:26 PM   #5471
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YOu were at Blue Diamond? KM Racing brake pads are the best.
KM Brake pads in low speed too much brake not so good !
i'm used STD keep change new for race .
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Old 07-14-2010, 06:08 PM   #5472
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YOu were at Blue Diamond? KM Racing brake pads are the best.
Yes, I was the red car that TQ'ed and won the main. Mike Keely
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Old 07-15-2010, 01:31 AM   #5473
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Atomicrc has all those hopups already.
And let me tell you they `re the cats meouw,lol,lol,lol.
Check it out, you won`t be disappointed.

Best hopups for the NT1 i think.
Best pads bar none, best brake lever bar none.
Best middle bearing block bar none.
Nitro ho would you mind posting atomicrc web link please.

Cheers Daz
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Old 07-15-2010, 02:02 AM   #5474
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Originally Posted by THE DOCTOR View Post
Hi guys, got a question for you all. I would think that this one has come up before. I ran a 45 min main on Sunday and around the 25 min mark the brakes started to fade. What is the best fix for this? I just have stock brakes but wanted to hear your thoughts for this fix. Thanks MK
Had the same issue , i am now using the same stock stuff but with small cutting of fuel tube as spacers btw the pads about the size of small orings in the shocks , seems to work better as it not rubbing on the disc . but definitely the optional disc is better than the stock . Saving it for a rainy day
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Old 07-15-2010, 05:51 AM   #5475
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For anyone looking for more consistent braking using the stock brake pads, here's a cheap easy mod I did to my pads while being bored lol. You just cut material allowing you to use springs that separate the pads from each other after braking. this will reduce the friction created from the disk rubbing on the pads, and your pads will also last longer...
Pictured are the soft 2speed springs for the NT1, which are the correct length but are just too hard for this operation. the O'donnell brake springs for their ZO1 buggy Is what worked out for me.


Use 2 of the springs on each side, 4 come in the pack.
http://www3.towerhobbies.com/cgi-bin...?&I=LXWZC9&P=7
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