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The mkiv Supra Owners Club

Fan belt length


antno

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I'm running without aircon and with the larger ati crank pulley. I was advised to use the std size belt (6pk1936) but this doesn't end up with the marks in the right place on the tensioner marks. It's too long basically. Would a 1926 belt work. The belt is brand new by the way.

 

Does anyone else use the same combination of pulleys?

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I'm not sure about that. I have removed the compressor and pulley completely but the ati crank pulley is larger than the std one so takes up the slack. But not enough for the std belt.

 

Plus now I thought about it, it must change the speed of the belt by a lot I would of thought.

 

Anyone know how much you can get away with over speeding the water pump , pas pump and alternator?

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I would like to know this also, at the moment I have a stock pulley but with the air con compessor removed and the belt is a PK 1865 iirc. I have an ATI pulley to go on soon which I guess calls for a longer belt but which one I dont know.

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  • 9 months later...

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