I ran 7cyls and counterweigted the crank. It worked ok
jack
----- Original Message -----
From: "John Burk" < joyseydevil @comcast.net>
To: " LandSpeed List" <Land-speed@ autox .team.net>
Sent: Monday, August 8, 2011 7:46:25 PM
Subject: Re: [Land-speed] Sleeving a motor.. for the stay at home racer
motorheads
Mayf
Imbalance adds no stress to engine parts . If sleeving one cylinder to 4"
makes your engine a D go for it . I'd be happy to clarify my balance vs.
stress statement .
John Burk
> Any number of times people have told me to sleeve my motor down to a size
> that would permit it to be within the D class displacement constraints.
> My current motor is a ford 5.0 with a standard 0.030 over bore. B Seems
> like that would be an acceptable size, but just isn't so! That bore puts
> the motor at 3067.133 cubic inches displacement. Just a measly 0.134 cubic
> inches out of class. B Almost as if i was supposed to be that way, lol ..
> but who would do such a thing...
> In any case I sat here and wondered about sleeving two cylinders, one on
> each bank. B That made me think I don't know squat about sleeving and the
> effects. So, would it be better to do one on each side and on teh same
> crank throw or on different crank throws still on opposite sides. One in
> front one in back? In the middle of the crank? B How would these positions
> affect crank harmonics? B What about the balance aspect of it. Seems that
> if on a different throw then balance would be unsymetrical .
>
> No, not planning on doing this but it is a curiousity to me, something I
> would like to hear thoughts about. B Or is it, in reality, picking fly poop
> out of the pepper and makes no difference at all.
>
> On a separate note, I need some 4.03 diameter ford 289 pistons. Forged...
> gota get a motor together for the orange car.
>
> mayf
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