Thanks for clearing that upKeith Morganstein wrote: ↑Sat Oct 21, 2017 9:17 amGuide liners are spring tempered phosphor bronze. They are hard, not soft and broaching them to size likely work hardens them a bit more.
If installed correctly, they work fine.
Which method I use (whole guide or liner) depends on the job and the type of head, I have no problems with either.
It seems that just because a manufacturer of valves uses the term "super alloy", folks seem to think a special "super alloy" valve guide is needed for them.
General engine tech -- Drag Racing to Circle Track
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Hi Keith, not my case... As there are some materials and bronze alloys you can made a guide of, I was just asking if the Ferrea "super alloy" would just prefer a particular one.
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Not sure rubber guides are the hot ticket...
Last place in the B-main is better than anyplace in the grandstands...