AndyR1 Posted December 20, 2014 Share Posted December 20, 2014 Hi, I have just bought a new water pump for my herald 13/60. When it came it said on the box it was for a spitfire 1500 and when I had a look at it its not the viscos coupling type but has a bigger pulley than the old one. Im fitting a spitfire 1500 alternator conversion so will it be ok?Cheers Andy Quote Link to comment Share on other sites More sharing options...
Nick Jones Posted December 20, 2014 Share Posted December 20, 2014 I think bigger pulley to match the larger pulley that the 1500 engine has (so water pump doesn't run too fast). Will probably fit but might make you belt too short. If fitting an alternator at the same time the smaller alternator pulley will offset this.Nick Quote Link to comment Share on other sites More sharing options...
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