Quote:
Originally Posted by Chalkie
Not sure on the 210 but the 410 may be undergeared, I'm running 87/23 on a X12 6.5 octa indoors at the moment and it seems ok.
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Running the same gear ratio on my 410. Speedo is an ORCA vritra pro with a 6.5 turn motor, running a small amount of static timing on the speedo and some turbo timing. Motor gets to 70degrees or so and the speedo 50ish, always run a fan on the speedo.
I have cut the front and rear out of the body so there is more air flow through the car, this lowered the motor/speedo temps.
My 210 has the same speedo but with a 7.5turn motor with a 24t pinion/87t spur. Speedo never gets above 40, motor not above 50.
Make sure the transmissions are running free and the pinion mesh is correct. Also check the slipper is not loose.
The Tekins will struggle in a 4wd unless you have a fan over them, tbh most speedo's will get hot in a 410. If I dont run a fan on my Orca when racing indoors it will thermal.