weight

I enjoy seeing the progress of everyone's different builds here on the forum. There are a few questions that I have about the aluminum chassis panels that I see frequently in many photos. These questions are not only directed at GT40s but for all types of car builds. 1. What thickness and alloy...

OK, sure, 2500 pounds is pretty light for a production street car, but it's pretty heavy for a race car. I'm wondering how light one could build an SL-C? Horse-power can't make up for weight. I think Colin Chapman had the right idea back in the 60's with the Lotus 23--1,000 pounds and 150...