converting from old style to bee hive springs
I am a little surprised that there are still quite a few engines out there with the old style valve spring on the 604
all sanctions (that I know of) permit the updated bee-hive valve springs on the 604 no matter the year of the engine
here is a link from our website with things you should know when doing the conversion
the last few sentences are very important --pertaining to the removal of keeper land burrs
feel free to call me to discuss this procedure
http://race-1.com/p-26187-what-shoul...e-springs.html
Brad
www.race-1.com