in article ldJFk.35102$2J7.30145@newsfe02.iad, Mike Y at joe@user.com wrote
on 10/4/08 5:17 AM:

> And really, does it have that much of an effect?


yes .. slip streaming the conveyance ... with the top up for example, or the
tail gate down or removed ... helps mileage per se. However with a Boss 350
sucking 4 barrels ... not much room to play with there.