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Old 10-20-2010, 08:07 PM   #871
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The spool up front puts a lot more stress on the universals in front while the diff can off-load some of the stress to the opposite side so it isn't as needed in the rear.
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Old 10-20-2010, 10:48 PM   #872
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yes, for the front aluminum universals I broke it after around 50-60 runs. For the back one even with 3.5T and gear diff it least well ove 100runs before I notice any play. Just to be safe I change all to steel one's now and never have any problem with them. Just need to grease them when they get a bit dry.
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Old 10-22-2010, 04:45 PM   #873
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Hi guys,

I have build up the gear diff as 37t but found the pulley size(diameter) is actually larger than ball diff 38t pulley. It is touching the spur gear with the most loosen (forward) diff mount position.

Does anyone know will xray gear diff pulley fit on this car? Or any other choice?

Or, have I done anything wrong with the diff?
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Old 10-26-2010, 12:18 AM   #874
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Hi Guys,

found the solution for gear diff.

the problem was very tight brand new rear belt. I have ran the car on the weekend and the belts finally got loosen up, and now allow me to drop in the gear diff nicely.

if 3racing can make longer front/rear belts that would be better, maybe only 2 to 3 notches more. I have ordered the 37/19 pulleys and hope that will be better.

Other than that, car is great, love it.. very smooth ride, handle very well in high speed sweeper. I just need to higher the roll center and damper oil as too much rolling for mod class, got problem at the end as my ball diff got stuck with the dirts and car became so twitchy. If anyone still running with ball diff better cover up the adjustment holes on the long outdrive to stop the dirts get in lol.
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Old 10-26-2010, 12:27 AM   #875
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Well the narrow chassis is out of stock so I can't put together my orrder yet. But perhaps that's all for the better as I really don't have the money yet anyway...had a couple financial things come up I had to take care of. Hopefully I'll be able to get my order in soon though.
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Old 10-26-2010, 12:50 AM   #876
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IMO The narrow chassis is not a must unless racing with the new weight limit 13xxg. The only advantage is you can move the battery further out to balance up the car with less lead weight. I even found the standard wider chassis is more flex than the narrow version.

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Well the narrow chassis is out of stock so I can't put together my orrder yet. But perhaps that's all for the better as I really don't have the money yet anyway...had a couple financial things come up I had to take care of. Hopefully I'll be able to get my order in soon though.
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Old 10-26-2010, 12:59 AM   #877
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For me...it's a must. If I am going to place an order I'm going to make it worthwhile and get as much as I can in 1 shot to save on shipping.
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Old 10-26-2010, 01:42 AM   #878
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For me...it's a must. If I am going to place an order I'm going to make it worthwhile and get as much as I can in 1 shot to save on shipping.
hey gadget where are you gonna run this car at? and let me know when you get it all together id like to take a look at one in person.
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Old 10-26-2010, 03:47 AM   #879
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At race world Hawaii
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Old 10-26-2010, 04:53 PM   #880
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At race world Hawaii
Ill see you there when you get it built.
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Old 10-26-2010, 06:04 PM   #881
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Ill see you there when you get it built.
Who dat?
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Old 10-26-2010, 07:49 PM   #882
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Dis jerry i raced ocs for alittle while with ola, and sam.
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Old 10-26-2010, 07:50 PM   #883
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double post
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Old 10-28-2010, 06:42 AM   #884
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Default Ball Stud Substitute?

Hi, I know I am ham fisted, but I keep bending the 4.8 mm Ball Studs that are mounted on the rear bulkhead covers (with the 3 mm spacers). Can anyone suggest some stronger replacements?
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Old 10-28-2010, 06:50 AM   #885
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Hi, I know I am ham fisted, but I keep bending the 4.8 mm Ball Studs that are mounted on the rear bulkhead covers (with the 3 mm spacers). Can anyone suggest some stronger replacements?
Schumacher Grippa balls and ball end, strong, good looking and never pop off.
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