youngben
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LRP SPX Baby !!!I have got my SPX Baby !! 
But have no idea of gearing 
Do not want to cook the motor or speedo. So what is a good starting point around colchesters track? I am running 10.5
Many thanks Ben
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sharpie
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ben we run 5.5 at colchester with SPX Baby
unless you are Paul B  
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Mr.B
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5.5-5.7 with Novak
5.6-5.8 with Nosram or Speed Passion
This is assuming Profile '8'
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BigD
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dad didnt take much to come round to the SPX way of thinking
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sharpie
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is there any other profile 
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BigD
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you racing tommorow darren?
Electric? with new car????
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sharpie
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yep all being well
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Mr.B
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Car built,electrics going in now. 
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sharpie
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BigD
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oh i see it takes a little help from friends to try and beat me
clash of the titans AGAIN   
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cutting_edge
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I know I am behind the times BUT i got an SPX for my birthday Just installed it Great But it does not seem that FAST I cant see the 2nd gear effect as such ?????????
What was your origanal 10.5 ratios with old esc befor the SPX went in , Just so i have got a reference point .....
I Run 4.2 on my Matrix I tried 4.8 on the SPX droping 5 teeth on the pinion from where i would normaly run , It was quick but no quicker than the Matrix !!!!!!!!!!!!
HELP Please .............. do i need to go even further , People at the STCC were running 7 to 7.5
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BigD
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you need to drop the gearing a lot more than that!
The idea behind the SPX is that it advances the timming no the motor using the software in the controller. Therefore you have to allow it the rev more as it can in effect advance the timming to affinity.
Around costal i ran 6.3-6.6 with 10.5
With the 6.5 in i ran 10 dead and it was still uncontrollable !
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Mr.B
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Hi Trev i used to run about 5.0 at ours with the TC but with the SPX i ran 6.2 and let it sing baby.
P 
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cutting_edge
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Thanks Lads Just tried it again a long way off my normal ratio and WOW its quick , Just hope there is a Fire Extiguisher Trackside tommorow Just n case i have got it wrong ...............
I have fitted the Heatsink to the ESC Now also as it got warm after just 2 mins ...............
P.s the New SP Competition 3.0 motors seem the Nuts ..........
Oh Yes and so is the Mi4 Its Fantastic I have never been so fast around Coastal ..... Even Beat Malc Hall in the STCC A Final on the Cars first ever meeting , thats somthing I have never done befor and prob wont do again ................
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Mr.B
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I should put a heatsink on both the motor and speedo.
But looks good.
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