grooves or not

Oct 29, 2012
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-Any experience or opinions about using DD4 92s with the groove vs no groove?
-any stability differences? (assuming wheel gap is constant)
-any preference of lube types?
The car is for a scout race... wheels are limited by the rules but axles are not.
Thanks in advance for your opinions and sharing your experiences
 
You know I'm the black sheep here by saying for my sons scout races I really liked how the 92 w/out cut outs performed due to it seemed to be more stable. I went with them because our rules said no cutout axles. Once the steer was set it stayed put over and over and over including a few crashes due to rough stop sections on the tracks. If I had a choice I'd probably go with the x's because they're faster but IMO in most pack races it won't matter. We were several car lengths in front of 2nd place and I mean like 5 or more. All that being said if your rules say you can use them then you should. I would have.