Most of the differences in building engines for off road SCORE or desert endurance racing purposes, say experts, concern the endurance factor. The annual Baja 1000 is actually 1,300 miles of punishing off-road racing. The winner will take 25 or 26 hours to complete the race, so the engines have to last for that long.
If you leave leftovers or any food out too long, it will speed spoilage. Two hours is generally the max they should be left out, though the sooner you refrigerate them the better (remember to factor in the time it takes to drive back from the grocery store, and the time it takes you to unpack your groceries).
Is your leftover pasta sauce growing fuzz in the back of the fridge? Do you still wonder if that last pizza slice is any good? Well, it's probably not! Everything has an expiration date, and leftovers go bad very quickly, especially when they've been around for far too long or weren't stored properly to begin with. It's time to say goodbye to last week's dinner leftovers! We all try to live by the maxim, waste not, want not..