> > it really messes up the geometry of the rocker arms. > > OK, Dan. To me it's easy, but to the rest of you guys, it's > probably not. > Yep, it may very well change the pushrod length. That's easy enough > to fix > by making new pushrods, but I realize life's too short for that sort > of > thing for the average KR builder. Rocker arm geometry is something > that > should also be checked at assembly, no matter what kind of engine > you're > building, and no matter how many modifications you've made. This is > detailed at > http://home.hiwaay.net/~langford/corvair/valve_geometry.html , > and yes, it actually takes time and effort. There are a lot more > details on > Corvair engine building itself at > http://home.hiwaay.net/~langford/corvair/trial_assy.html , but I > wouldn't > expect any KR builders to waste their time reading it. > > Some people are just meant to slap engines together and go flying, > and > that's fine with me. Personally, I want to know exactly what's > going on in > mine in terms of compression, compression ratio, valve geometry, > mixture > distribution, head and exhaust temp on all six cylinders, etc. > > Sorry I brought it. > > Mark Langford, Huntsville, Alabama > I'm with Mark here for sure. I had my engine nearly all assembled last year. I started checking the valve geometry and ended up not being very happy with it even with roller rockers. I ended up having push rods made and satisfied that I have done everything I could to extend the engine life. Mark I'm greatful for the energy you put into providing that information. I think it is a must read.
Joe Horton Coopersburg, Pa. joe.kr2s.buil...@juno.com