Posted: Thu Feb 22, 2007 5:17 pm
i was just wondering what is the general rule everyone uses on valve replacement?
time, or maybe what to look for as far as wear?
thanks
time, or maybe what to look for as far as wear?
thanks
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valve question
https://cannondaleriders.com/phpbb/viewtopic.php?f=9&t=16236
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Posted: Thu Feb 22, 2007 5:29 pm
One year old or if I have no history then they get tossed . Unless they are fx400's(1st generation kibblewhitesd) then it a wear call.
Posted: Thu Feb 22, 2007 8:49 pm
One year old! How many valves do you buy in a year?
Posted: Thu Feb 22, 2007 10:31 pm
Well I had around 80 from that dealer buyout and now there almost all gone.
Posted: Thu Feb 22, 2007 10:54 pm
****, I used one set of valves from October 2003 up until August of 2006 w/out a problem. They're getting replaced by Tim right now, but no problems for me, even through several race seasons. I don't recommend going that long though.
Posted: Thu Feb 22, 2007 11:17 pm
QUOTE (Psychosis @ Feb 22 2007, 04:54 PM) <{POST_SNAPBACK}>
****, I used one set of valves from October 2003 up until August of 2006 w/out a problem. They're getting replaced by Tim right now, but no problems for me, even through several race seasons. I don't recommend going that long though.
I dont pull the engine just to replace them at one year. If they are older than a year and the head is off for porting or whatever new set goes in. That may be several years . He was looking for replacement criteria.
Posted: Thu Feb 22, 2007 11:26 pm
How much do valves, springs, cams and such cost? Does anyone make larger cams? Is there any different cams that make more power? Thanks
Posted: Fri Feb 23, 2007 1:00 am
Guys lets not go cheap on motors.Valves are less than $15 a piece I believe.Not even worth cleaning carbon off to check them.Dont listen to me or Wistech.Read manuals,Mags and anything else after a year of racing valves,springs,retainers and have even heard spring seats should ALL be replaced along with timing chain and piston.Now of course this isnt for everbody but that is the safe way and what is industry wide considered the"RIGHT" way.