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Old 03-06-2010, 10:08 AM   #1
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Default LRP Vector X-12 17.5 question about Neg. Timing

I have read that some x12 17.5 stock spec users are running the 3dot -5 and the 4dot -10 inserts on their motors. does this allow you to use the higher profiles on the spx 7 &8 ? what does it do for this particular motor as most other motors are using positive + timing. what changes do you have to make to gearing by doing this? how does it effect the motor as a whole?
my current setup is x12 17.5 stock timing, spx profile 6 and geared at 5.8 fdr.
thanks, fat
I am really trying to make this motor work
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Old 03-06-2010, 11:02 AM   #2
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Originally Posted by fat500 View Post
I have read that some x12 17.5 stock spec users are running the 3dot -5 and the 4dot -10 inserts on their motors. does this allow you to use the higher profiles on the spx 7 &8 ? what does it do for this particular motor as most other motors are using positive + timing. what changes do you have to make to gearing by doing this? how does it effect the motor as a whole?
my current setup is x12 17.5 stock timing, spx profile 6 and geared at 5.8 fdr.
thanks, fat
I am really trying to make this motor work
if i'm not wrong i think you are out of luck with the spx and X12 motor, i dont think you can run it in the profile 7 and 8 even if you use -10% insert.

if you want to go faster then its time to upgrade the esc, my advise is to get one that can be upgraded by yourself. it will save you about 230$ a year.
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