Re: An interesting study of bore and stroke

["John Beckett" <saltracer@servusa.com>]

Would bet it's already making 2% more HP at 5000.

----- Original Message ----- 
From: "John Burk" <joyseydevil@comcast.net>
To: <land-speed@autox.team.net>
Sent: Monday, June 28, 2004 4:04 PM
Subject: Re: An interesting study of bore and stroke


> Two points - There's a fair difference between a rod ratio of 1.53 and
1.63
> and the unshrouding effect of increasing the bore .270" helps the 4.55
bore
> motor - I'd bet the short stroke motor loses 2% at 5000 rpm and gains 5%
at
> 7500 .