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Old 19-06-2017
tonydevon tonydevon is offline
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Default 4wd gearing. Motor temp etc

What sort of motor temp is safe?

My 4wd this weekend was coming in after 5 mins with can temp of 90 to 92 degrees c

Car felt a bit soft on power.

Zero boost
Zero turbo.

Hw 2.1 esc
Orca 6.5 tx motor.

Pr SB401 buggy running 22/77 pinion and spur.

Could do with a bit more grunt from it
But with temps like that im nervous of boost or turbo.

Is it maybe time to look at a new 5.5 motor
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Old 19-06-2017
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Hog Hog is offline
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Motor timing?
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Old 19-06-2017
tonydevon tonydevon is offline
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motor is set to as from factory, in the middle, never touched the endbell
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Old 19-06-2017
mattr mattr is offline
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What sort of final drive is it?

Might be worth experimenting with dropping one (or two) teeth from the pinion.

And checking you are getting some airflow through the shell!
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Old 19-06-2017
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Welshy40 Welshy40 is offline
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Yup as per the other posts gearing, go down one and see if the punch is more and top end should be good also. The other option is a motor mounted fan, a big one. Demon racing does a few large ones and the mount is alloy as well so always a good investment as that made my Sworkz 4wd want to be pushed whereas without your wondering if its going to last
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Old 19-06-2017
/tobys /tobys is offline
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+1 for motor fan. It was hot this weekend and with high grip Astro, it can push temps up - I even fitted one into my 2wd this weekend! Sounded like a hovercraft but made a massive difference in temps.
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