Ok, I've had enough. "The only reason to have a 67-72 chevy truck at a dragstrip is to pull the trailer that your drag car is on." That's an ignorant statement. If someone wants to race their truck, what's the big deal? Going to the track is about having fun, and enjoying your hobby.
You may be able to take your street car to the track an run 12s without the bottle, but the next guy will beat you because he has a bottle, and the next guy will beat him because he ran slicks. The point is, it doesn't matter what you build, a truck or a car, there's always going to be someone who spends a little more money, and a little more time, and is a little bit faster than you. But I think there's real satisfaction to building a truck that can run well at the track. Sure it takes more work than a car, but who cares? If that's what a person likes to do, then I say go for it.
But then again, I may be biased...
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1967 Chevy shortbox