We have a 17' TT that we tow with a mid sized body on frame SUV and it tows great. It's not going to win any drag races towing the trailer, but I've never been in a situation where it significantly s...
The plugs in my Caddy went 50,000 miles. I replaced them then, but honestly, they'd probably have gone another 25K easily. The car is a 1979, using a recurved stock distributor and a stock HEI ignition system.