[QUOTE=Xist;390637]33 MPG is 15% higher than 28.6, the higher of your numbers. I do not think that I have ever seen one single modification with results that large.
Please do not take this as ordinary criticism, just the constructive type. For the record, I have been on this site for a year and my car does not have a single modification!
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That's why I don't believe the results. I'll check again several times to get better data. The block is highly taped on and won't be easy to remove, so it won't be removed. I'll live with it.
I take all criticism for helpful hints. Thanks! I'm still trying to "engineer" an air dam for the truck. That will make a big difference because of the tow bar in front and total lack of under body cover. Also, it's a 4WD and sits very high. Custom air dams and skirts are too expensive, so I'm going the lawn edging route. Can't find suitable brackets to hold the edging at our local stores. Might have to cut some sheet metal/straping to get what I need.
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