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big job · 03-01-2018, 08:03 AM

Again the curious me. Wonder if you stuck your new piston in the bore with a feeler
gauge and got a good or pretty good fit? And measure the bore as Fritz said, then
measure the new piston even with a caliper (guess-0-meter) the naked eye can see
the difference. Also common is pistons that are not marked, thats when I measure
things 10 times. Old saying batches of parts made on Friday or Mondays. I think something is stamped wrong.. So before more ring money ya got to know the true piston size /bore size. Remember all valve in block engines are well forgiving !

03-01-2018, 08:03 AM	#3
big job Senior Member Join Date: Sep 2013 Location: Dighton, Mass Posts: 1,230	Re: Piston rings and size . Help Again the curious me. Wonder if you stuck your new piston in the bore with a feeler gauge and got a good or pretty good fit? And measure the bore as Fritz said, then measure the new piston even with a caliper (guess-0-meter) the naked eye can see the difference. Also common is pistons that are not marked, thats when I measure things 10 times. Old saying batches of parts made on Friday or Mondays. I think something is stamped wrong.. So before more ring money ya got to know the true piston size /bore size. Remember all valve in block engines are well forgiving !