Posted by Marty on Thursday, November 22, 2007 at 01:29:43 :
In Reply to: Re: Or..... posted by Russ Roth on Thursday, November 22, 2007 at 00:35:09 :
Interesting.
I've heard that from different sources.
My father swears that back in the 80's, he got better mileage with his 454 GMC than with his 350 in the same truck.
I think it has a lot to do with your driving habits!