I would rather spend the $ to do the PPI and not buy the car then to roll the dice and trust any dealership. Sounds like you learned from your mistake. I learned from your mistake and had the PPI done. Now, the car is in the process of being fixed by the dealer (minor problems with the radiator and brake) and should be ready for delivery in a week. But, having the peace of mind that compression checks out, hoses are good, clutch is good, no leaks, makes me feel better about my purchase. Now, I can't wait to get the car.