I couldn't and wouldn't want to throw you a bad number. I've found the easiest thing to do is to have the car weighed at one of those big 'Cat' scales you see at the truck stops. I've got one by the house and it only costs $7 for a certified weighing. The scale is even broken into three separate sections so you can park across two and get a good front/rear breakdown.
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Jeff Chambers
Trophy Stock #3
11.655 Seconds / 116.6 MPH
Chambers Racing Team