acaie Posted May 29, 2018 Report Share Posted May 29, 2018 My Grinnall with standard SD1 3.5v8 has a SD1 water pump with the nose of the pump shaft cut off (the fan is mounted on an extension to the crankshaft). The pump is in a bad way. Should I replace it with a standard SD1 pump and cut the nose off, or is there a more suitable water pump (TR8? Vitesse? EFI?) Any other advice on replacing water pump most welcomeThanks for your helpAl Quote Link to post Share on other sites
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