Thread: SP4, SPS, SP5 , Racing tech questions.
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Old 16-Jun-2005, 22:39   #8
Jasper Jasper is offline
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Ducati Corse
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As far as i know,the SP5 is the SPS engine with the Sp4 cooling system.I have trawled through all my Ducati books and engine wise there seems to be no difference.Same cams,rods,compression,valves etc.That's all i can offer you i'm afraid.
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