https://www.nopistons.com/forums/pub...1047683561.gif I read off FC3Spro that you should keep the water pump and mod it to the 20B are there any other parts you should keep off the 13BT? https://www.nopistons.com/forums/pub...1047683561.gif



thank you

cas, the cosmo one has a different plug.

injectors, cosmo uses 3 side feed 550's that are weird, the secondaries are 89t2 550's though



engine rotors and seals...