The engine was balanced, +.060" pistons installed, deck milled .010", head milled .030", triple angle valve job and I cleaned up the intake and exhaust ports.This engine was full of water and rust when I got it. I ran the engine up to 4200 RPM for the tests. I worked with the timing and got 57 HP @ 4000 RPM. The V-thing under the carb was removed next, raising power to 59 HP @ 4000 RPM. My last test replaced the Carter WO with a Solex Carb and the engine produced 63 HP at 4000 RPM. I installed the engine in my MB on Sunday and took it out to play in the snow. I borrowed the Solex from Darryl Bensinger and if my Carter wasn't working so well, I would have purchased it from him.
Dave Fillman
45 MB
---- you wrote:
> Considering the long stroke of this engine, I would say that 4000 would be
> just about max. Did you do any mods to the engine (i.e. milled head,
> balancing, etc.).
>
> -Steve
> > Hi List
> >
> > I have three hours break-in on my rebuilt MB motor on one of my engine
> > dynos. I just pulled the first WOT run, which produced 55 HP at 4000 RPM.
> >
> > Does anyone have an opinion of what the redline should be on one of these
> > motors? I am using 4000 right now, but the curve shows that the peak HP
> > may be higher.
> >
> > I will be testing carbs, igniton timing and the little V-shaped thing
> > under the carb. Any suggestions for more testing?
> > Dave Fillman
> > 1945MB
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