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34486

466 over rev

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Alright, when I am at a stoplight and want to start off easy I start in high 3 at 1,200 RPM, it dies down a lot, I go full throttle and about 2,000 RPM I clutch in to go to High 4, and it revs all the way into the black part, and the MPH Tac comes down into the white! Also if I go from a high idle to full throttle under no load it does this, but will eventually govern back after about 2 1/2 seconds, not sure why. 

This is on a 1971 or 1973 International 1066 with the DT466 engine, and a rotary pump.

This only seems to happen when it is at an operating temperature, I am running 15-40. If the engine is 'warm' or 'cold' than it won't do any of this, and I can start from idle in High 4....

The fuel is only turned up about 1 turn, It has somewhere around 4,480 hours and runs great, accept for governing. 

I feel like it could be an issue with governor spring or something with the weights slipping. Anybody got a solution for this, and what it could possibly cost to rebuild myself or have a shop rebuild it? 

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The governor has a slip clutch to reduce the shock loads to the other components.  Those slip clutch's wear and cause a problem like you are having.  Time to take pump in for repair and then it can be checked out for any other possible reasons for over speeds as well. 

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Alrighty, thanks! 

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