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Re: Bore stroke combinations

To: "DrMayf" <drmayf@teknett.com>,
Subject: Re: Bore stroke combinations
From: "Joe Amo" <jkamo@rushmore.com>
Date: Tue, 13 Jul 2004 17:39:55 -0700
isnt that abit like changing to a high
lift cam with no other changes and
if hp no better saying , "high lift
cams dont really do anything"

Joe :)
----- Original Message -----
From: "DrMayf" <drmayf@teknett.com>
To: "Freiburger, David" <David.Freiburger@primedia.com>; "'Keith Turk'"
<kturk@ala.net>; <land-speed@autox.team.net>
Sent: Tuesday, July 13, 2004 4:57 PM
Subject: Re: Bore stroke combinations


> Dave, will you do the tests honestly? By that I mean will you only change
> rod length on the engine or will you farkle with the compression ratio,
cam
> timing , valve sizes etc? I really would like to see an honest comparison
of
> JUSST the variable of rod length. AN dhow will the data be provided? In
some
> monkeyed up idea of average torque or horsepower? I know each engine can
be
> optimized for the set of conditions it contains but that isn't the real
> question: that is does rod length really do anything for you except empty
> your pocket book?
>
> mayf, the red necked ignorant desert rat in Pahrump
>
> ----- Original Message -----
> From: "Freiburger, David" <David.Freiburger@primedia.com>
> To: "'Keith Turk'" <kturk@ala.net>; "'DrMayf'" <drmayf@teknett.com>;
> <land-speed@autox.team.net>
> Sent: Tuesday, July 13, 2004 5:07 AM
> Subject: RE: Bore stroke combinations
>
>
> > I'm all set to test rod length next.
> >
> > DF
> >
> > -----Original Message-----
> > From: Keith Turk [mailto:kturk@ala.net]
> > Sent: Tuesday, July 13, 2004 5:01 AM
> > To: DrMayf; land-speed@autox.team.net
> > Subject: Re: Bore stroke combinations
> >
> >
> > Mayf he's played with rod lengths and gone to some extreames to maintain
> the
> > rod ratio in this test....  to maintain the same compression ratio and
to
> > truly find out if one combination is better then the other and WHY it's
> > better...
> >
> > Take a minute and assume that the test results were very equal with a
> single
> > cam and head combination... ( they are both air pumps of equal
> displacement
> > and equal Valve timing ) and then say.... ahhh okay how do we get more
hp
> or
> > torque out of each combination... what is it that needs to be done to
> > optimize a long stroke motor vs a short stroke big bore.
> >
> > I guess this is our opportunity to design a Camshaft.  We know the
> > basic's...
> >
> > Keith   ( I have to get scooting here... otherwise I'd look up
Freiburgers
> > original spec's for the engines )






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