It's always helpful to tell us what engine you're working on- - - - -we're not very good at reading minds. I've never heard of Weiand making anything but race engine stuff, so it's pretty obvious you're not working on a stovebolt six, right? Is there some reason for not using an original equipment type part?
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!