Thread: Can't shed the heat after going up steep hills? Run a little hot. More capacity? SBC

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You mention that the fins are clean. How does the radiator look inside? Did you do a flush before filling with just water? Trapped air maybe?

If you guys look at the pic, he has a missing carb hold down bolt, good for vacuum leaks, start your engine use an unlit propane torch and hold at the base of the carb if engine speed increases you have vacuum leaks. Its a starting place.

And look at the trans cooler. Is it big enough? Climbing a hill will generate a lot of heat in the trans.