Piston Slap: The Panther’s 20 MPG Fuel-Economy Barrier?

#hashtags: #TTAC #Sajeev #Panther #Mercury

TTAC commentator VolandoBajo writes: Sajeev, my worthy and esteemed fellow Panther defender, I acquired my ’97 Mercury Grand Marquis LS about six months ago and have enjoyed everything about it. I’m hoping to find a good source for a dual exhaust that doesn’t cost more than the book value of the car, and to convince my […]