First thing I was going to do was replace the balls with ceramic nitride balls from acer racing. I think a ball diff rebuild after every race weekend is normal. Many of the NTC3 drivers up here do it a regular maintenance when racing every week.
Yeah we can run to roar specs or club specs and I thought I would try
to get a little advantage by running the 1:8 front foam tires. Still experimenting until race season starts again.
When we first go the rs4-3ss, crack the front suspension arms twice
and that was with the 12ss engine. After installing ALL rs4-3ss suspension goodies
(you name it... graphite front hub carier/steering knuckles, suspension arms f&r, woven graphite show towers f&r, woven graphite upper chassis, 3mm super chassis, stainless steel screws in chassis, titanium screws in suspension, alloy nuts for show, f&r sway bars, titanium turnbuckles, flanged ballends...) nothing has broke except cvd pin on rear engine side.
We have not done any serious racing though so we still have a lot to learn.
With ride height under 5mm, car does not flip around and has very controllable oversteer. I layered the shocks by attaching them directly to the diff cases front and rear with an alum rear brace attached aswell. With layered shocks, suspension is very progressive
and for short tracks is great...
pictures coming soon...
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Originally Posted by Joe
When I talked to them they listed the main spur as discontinued.
Also the quality of materials (balls and diff plates) are ASS. I built one, and rebuilt it, and rebuilt it to get it smooth. I had someone who is a old pro and builds diff's all teh time build the other and we were in agreement that the diff's just arent good enough to last long. Not only did they slip like all hell when new, they unscrew themselves constantly (the thrust bearings dont do that great of a jobin this car compared to other cars I have owned).
I would think the ball diff's would need to be rebuilt after every race weekend atleast.
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