I just changed mine today. It still had a ford fuel filter on(and I'm at 70k miles). I bought it when it had come in off a 5 yr lease, so hopefully that's just a sign that the owner had been taking it in for regular service (the engine WAS rebuilt at 60k miles) - or it's a sign it has never been changed. Hopefully its the first scenario. Anyhow, when I tilted the old filter over, it was clear gas for a second or two and then came this nasty brown s*** followed by a blackish brown sludge. I hope this means my gas mileage will improve now, I was getting about 240 miles per tank with fairly casual driving. Is this normal stuff to see when removing a fuel filter - is this normal stuff for gas mileage with the mods I have?


They are your new best friend til you drive off the lot.