Re: KRnet> Mark's crankshafts and ethanol - Fifth Bearing

2023-04-21 Thread Steve Loebs via KRnet
Mark L wrote: "You should probably call SPA and ask that question. I've have lots of other things I need to get done. Let us know what you find out. Tell them their website needs work while you're talking to them. Dan and Rachel are great peoplejust need a website guru to fix some broken

Re: KRnet> Mark's crankshafts and ethanol - Fifth Bearing

2023-04-21 Thread Flesner via KRnet
On 4/21/2023 9:04 AM, Mark Langford wrote: apparently West Systems epoxy (105 resin and 206 hardener) are fine with auto fuel as well, + My tanks are of West Systems and I used considerable auto fuel years ago

Re: KRnet> Mark's crankshafts and ethanol - Fifth Bearing

2023-04-21 Thread Mark Langford
Steve Loebs wrote: >>Mark, what is the cost comparison of the zero SMOH O-200 vs the rebuilt Corvair 2850 with the SPA 5th bearing / billet crankshaft combo? << You should probably call SPA and ask that question.  I've have lots of other things I need to get done.   Let us know what you find

Re: KRnet> Mark's crankshafts and ethanol - Fifth Bearing

2023-04-20 Thread Steve Loebs via KRnet
Thanks for the info about the vinylester resin. Also, Mark, you previously wrote: "A quick analysis of prices may lead one to think that the O-200 is a better deal, and maybe so, but I have to say that I'd far prefer the Corvair's smooth six cylinders to the O-200's four cylinders, and having rebu

Re: KRnet> Mark's crankshafts and ethanol - Fifth Bearing

2023-04-20 Thread Mark Langford
I'd like to clarify what I wrote yesterday about crankshafts.  That page is devoted to crankshaft failures, but doesn't emphasize enough that another key ingredient is the "fifth bearing".a much larger and longer bearing (twice the diameter and more than 2" longer than the factory's "fourth