I say go ahead and pull, like you have said, you have put all this time and money into your truck to get it to a point where you will be competitive in a pull. Just tell your parents that you understand that you might break something and that u will fix and and if you really need a vehicle, then you can always rent a little japanesse car for a week while you fix it, a rental might cost $200 bucks. As long as you feel confident in the truck and the way it is performing, id say Let Her Rip