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Old 06-22-2007, 12:05 AM   #1
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Default Inferno sports GXR .28 heat issue

My friend has a US Sports inferno or MP7.5 i think they are called. It has a GXR .28. He started using 15% fuel and it goes like a rocket but the engine is getting very hot. What should he do as far as tuning etc to get the temps down.

Cheers,

Ben.
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Old 06-22-2007, 03:48 AM   #2
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Originally Posted by Phroz View Post
My friend has a US Sports inferno or MP7.5 i think they are called. It has a GXR .28. He started using 15% fuel and it goes like a rocket but the engine is getting very hot. What should he do as far as tuning etc to get the temps down.

Cheers,

Ben.

i found the user manual instruction for setting the low speed idling is alright, but the highspeed needle need to be at much richer than what they indicated on the manual. Maybe that would solve your heat issues. Im running 25% on the GXR.
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Old 06-22-2007, 06:55 PM   #3
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tell him to turn the high end needle counter clockwise about 3 hours and try it again, if its still to hot go 3 more hours untill the temps come down, then fine ture from there....
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Old 06-25-2007, 01:21 AM   #4
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by hours do you mean revolutions?
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