DeTomaso Mailing List: October 99, Message #9

That will be with an SVO block - not a stock Windsor block. A stock
Windsor block is lucky if it can accept a .060 overbore.....

On Thu, 30 Sep 1999, John Parsons wrote:

> Jack,
> 	I am aware of an engine currently under construction that,using a
> windsor siamese bore block, is a 4.0" stroke and and is 435ci. That
> works out to .160" overbore!
> 	Projected hp is in excess of 700!
> John P
> 
> 
> JDeRyke@aol.com wrote:
> > 
> > In a message dated 9/27/99 2:32:15 PM, Forest-Goodhart@Hoffmancorp.com writes:
> > 
> > << Wow! This requires a .185 overbore. Are Windsor blocks capable of this? >>
> > 
> > Uh-uh. Instead of such a huge overbore, they weld-stroke the 4" crank to
> > 4.125 or more, with a bore of 4.060 max. They use 6" rods with Chevy-sized
> > rod bearings, gaining a bit with offset grinding. Obviously, the rev-redline
> > will drop radically but the big stroke gives enormous low-end torque which is
> > fun at street & highway speeds! The stock 4V heads really come alive with as
> > big-inch engine, too. For really high speeds, one would then re-gear the
> > differential so as to run maybe 5800 rpm redline. One of our members
> > installed a pro-racing 572 cubic inch Boss 429, and regeared his ZF such that
> > 6000 rpm in 5th was 265 mph.... Look for him in the Bonneville speed trials
> > results in 2000.  Cheers- J deRyke
> 
>