I would just pull push rods and put dummy lifters to keep up oil presure and
plug wires out of ever how many cyl you need to get to displacement
---- Larry Mayfield <drmayf@mayfco.com> wrote:
> I have been toying around with an idea for a new motor for my Sunbeam.
> But it would require a destroked crank to meet the displacement goals. I
> have been searching around for such cranks and they are pretty rare.
> Some are apparently used in a Nascar class somewhere which has a
> displacement limit. I know about off set grinding to either stroke or
> destroke abit. But, even with a brand new crank, I would not be able to
> get there. So, my question... I know cranks can be welded up and
> reground. But how much can that be used? If I wanted to take a crank
> down with a stroke difference of say 1/2 inch? That seems like a LOT,
> lol, as it would require a 1/4 inch or more of buildup on the inside of
> the rod throw. Even if I started with a 289 ford crank it would
> still be a lot. And is that even doable with a cast crank? I would
> expect it to be ok on a forged steel or billet crank, though.
>
> I'd like some responses from folk who have actually had something like
> this done. Suggestions of changing motor blocks etc are not what I am
> looking for.
>
> And I am just fiddling around now. The Sunbeam may never run again as a
> race car..and that would no doubt please a LOT of people, lol...
_______________________________________________
Land-speed@autox.team.net
Donate: http://www.team.net/donate.html
Archive: http://www.team.net/archive
Forums: http://www.team.net/forums
|