My experience with a Magnum 82 was positive.The only problem was leaking oil around the valve covers.The most important feature of any installation is the operator/maintenance manager.Scare tactics work in politics but tend to bite you in aviation.Tommy W.
On Mon, May 23, 2016 at 11:25 AM, svd via KRnet <krnet at list.krnet.org> wrote: > Hi Tommy, > > Thanks for the input - its the only stick with it advice I?ve gotten. > > I?d love to stick with the Scat?s (price, they are neat, and supposedly > they ?flow? exceptionally well). > > But I get a lot of advice that they do not cool well, resulting in valve > train (and other) problems. > > How are they not interchangeable? > > If you mean the crank, yes I understand that I?ll have to have the case > machined to accommodate both bearing 3 and the nose bearing (#4). Total > for bearing, machine work and Revmaster crank comes out about $1200. I > think the stroke is 78mm - which is the same as the Revmaster. > > The current HAPI Magnum Plus crank set-up looks pretty good, but I keep > getting told that the prop will ?depart in flight? - something I would > prefer to avoid. > > Owen > > > Date: Sun, 22 May 2016 15:28:59 -0500 > From: Tommy Waymack <5blindate at gmail.com <mailto:5blindate at gmail.com>> > To: KRnet <krnet at list.krnet.org <mailto:krnet at list.krnet.org>> > Subject: Re: KR> Best Cylinder Heads for VW > Message-ID: > <CANwmPb0VhRdrpkhcgSDoosxRzTX9PB=+ > FHADaBstUjjnKkEjBg at mail.gmail.com <mailto:CANwmPb0VhRdrpkhcgSDoosxRzTX9PB > =+FHADaBstUjjnKkEjBg at mail.gmail.com>> > Content-Type: text/plain; charset=UTF-8 > > HAPI and Revmaster are not interchangeable,Stick with what you have.Tommy > W. > > On Fri, May 20, 2016 at 7:57 PM, svd via KRnet <krnet at list.krnet.org > <mailto:krnet at list.krnet.org>> wrote: > > > Hi Guys, > > > > I?d like to get opinions on best cylinder heads for and aircraft vw. > > (yes this is sure to stir the muck). > > > > I have an new/old HAPI Magnum 82 (78mm stoke, 94mm cylinders, SCAT split > > heads). > > > > I think I?m going to replace the crank with a Revmaster, and I?m looking > > into replacing the heads. > > > > I could have Swain ceramic thermal barrier coat the pistons, valves and > > head for $600 - but I don?t know it that would really fix the heat > issues > > with the poorly finned SCAT split heads. > > > > So what to replace them with?? > > > > CB 44 > > http://www.cbperformance.com/ProductDetails.asp?ProductCode=1443 < > http://www.cbperformance.com/ProductDetails.asp?ProductCode=1443> > > or > > > > > > Revmaster 49 > > http://revmasteraviation.com/?p=125#more-125 < > http://revmasteraviation.com/?p=125#more-125> > > > > > > vs > > > > MOFO 50 > > > > > http://www.mofoco.com/item/MOFOCO_050_BIG_VALVE_AIR_COOLED_VW_CYLINDER_HEAD/234/c52 > > < > http://www.mofoco.com/item/MOFOCO_050_BIG_VALVE_AIR_COOLED_VW_CYLINDER_HEAD/234/c52 > > > > > > Or something else entirely? > > > > Cheers, > > Owen > > > _______________________________________________ > 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 >
