"Joseph Wind" <jpg@gif.com> wrote in message
news:bic7ae$fis$1@sun-news.laserlink.net...

> Technically, The difference is what weight you use. If your V-8 runs on
> 20w50, and you decide to put in 5W50. You'll definitely see an
improvement,
> dino or synthetic.

Really.

Why would that be?