Outer Limits 4x4 Board

hey have a 4 runner with a 253 moter with a holly curby the problem is as soon i get off the road and hit the durt bumps and humps the moter temp go's up and it shuts it self off is the curby or some thing ells plz help


p.s but as soon as i get back on the road its all good

Sounds like you may have a loose wire some where in there. Is the motor overheating? Like spewing out water from the radiator overflow? Or it may be the float in the carby???