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Rotary Tech - General Rotary Engine related tech section.. Tech section for general Rotary Engine... This includes, building 12As, 13Bs, 20Bs, Renesis, etc... |
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#1 |
Rotary Fan in Training
Join Date: Oct 2008
Posts: 87
Rep Power: 17 ![]() |
R6725-10.5/11?
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#2 |
Don Mega
Join Date: Dec 2008
Location: Utopia
Posts: 1,688
Rep Power: 18 ![]() |
^ These are over 30+ years old.
Platinum Platinum combo out of an old Racing Beat catalog lol......... the later R7420 Iridium center option is far superior, much longer lasting and better performing. It is an acceptable plug, but just not as good as the one I have been using for the last 10 years.
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www.riceracing.com.au Worlds best Apex Seals Coil on Plug Water Injection ECU Calibration Last edited by RICE RACING; 02-11-2013 at 04:20 AM. |
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