For what it's worth, I spent a few hours opening passages with good results.
Jeff Sent from my iPhone > On Jul 2, 2016, at 3:08 PM, Mark Langford via KRnet <krnet at list.krnet.org> > wrote: > > Kayak Chris wrote: > > > Mark, the 049 heads from revmaster are about twice the price what > > you're paying DCD IIRC. What do you make of the price difference and > > what that means? > > I have no idea. It usually means "you get what you pay for", but sometimes > it means "we have a big name, and it's going to cost you". But as I mentioned > before, given the kind of good luck Jeff Lang has had with his O49 torture > test, the O49's may very well be worth it. > > What worries me about them though is they appear to have very little in the > way of air passages, according to the photo I posted the other day (below), > but it's not the "whole picture", and somebody who has an RM-049 is welcome > to send me one to help with that decision. The reply that the seat material > was "good quality" but not an exact material didn't do much for my confidence > in them, but at least he didn't say "they're plain cast iron". The other day > I asked the guy at FAT Performance what material their SS exhaust valves > were, and he had no idea. How do we make decisions based on no information? > > I'd like some real steady-state CHT numbers from people with different heads > on aircraft with KR-comparable speeds, preferably from folks who are > monitoring all four cylinders, along with OAT and speed along with that. I > seem to be one of the few that records this kind of stuff though...but y'all > are welcome to prove me wrong on that. Or you could start this weekend. The > end result of this compilation would be a more educated group of VW head > buyers... > > Mark Langford > ML at N56ML.com > http://www.n56ml.com > > <RM-049.JPG> > _______________________________________________ > Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. > To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org > please see other KRnet info at http://www.krnet.org/info.html > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options
