Velocita Rosso Posted February 21 Share Posted February 21 I`m sure this has been asked before...but what poundage radiator cap should be used on a 1500 ,wider radiator? I`ve been told three versions ...7, 13 and 15 pound Quote Link to comment Share on other sites More sharing options...
RobPearce Posted February 21 Share Posted February 21 13 1 Quote Link to comment Share on other sites More sharing options...
Kevin R Posted February 21 Share Posted February 21 My Spitfire 1500 has a Bastuk Full width rad and have only ever used 13 lb. Have done Border Raiders NC500 etc etc and temp gauge hardly fluctuates. Never had any problems. 1 Quote Link to comment Share on other sites More sharing options...
yorkshire_spam Posted February 22 Share Posted February 22 Sorry for the delayed reply! As above I use: grc180 radiator cap 13lbs later models 2 Quote Link to comment Share on other sites More sharing options...
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