Details for HOUSE ACCT NOT PAID - Ad from 2019-11-09
Click & Clack Talk Cars “The Tappet Brothers’’ By Ray Magliozzi They don’T build cars like This anymore BY RAY MAGLIOZZI Dear Car Talk: infinitely better, and tolerances I have a 1951 Chevy, are much smaller, resulting straight-6, 3-on-the-tree, with in better performance and 31,000 actual miles. Nice car. much longer engine life. But If I coast downhill in gear back when your car was (it doesn’t happen in neutral built, nobody expected you to or if the clutch is disengaged), go more than 75,000 miles when accelerating after the without an engine rebuild. downhill run, it will briefly (for You’re seeing that smoke perhaps 100 feet or so), put out because when you coast down a puff of smoke. a hill, the wheels are turning What gives? -- John the engine rather than the That’s the worst problem engine turning the wheels. you have with a car that’s During that time, while there’s old enough to collect Social Security? You should be little combustion taking place, dancing a jig instead of writing oil is getting pumped past those poorly made and wornto us, John. out rings, and it is pooling in On a car of this generation, blowing some blueish smoke the cylinders. Then, once you after coasting downhill is not start to accelerate again, that unusual. As a matter of fact, oil is getting burned up along even some newer cars do it, with the gasoline and sent out but to such a small degree that the tailpipe. it’s barely noticeable. Unless it’s really driving you Your problem is that your nuts, John, I’d just keep the piston rings are wearing out. oil clean and topped up and The piston rings are live with it for now. After all, supposed to fit tightly against given your annual mileage (we the cylinder walls and scrape calculate 455 miles a year), off all the oil before combustion you’re going to be due for an takes place, so gasoline and engine rebuild in the year 2115 air get combusted and your oil anyway. doesn’t.Your piston rings aren’t doing a great job anymore. Not *** that they were stellar to begin Got a question about cars? with. Write to Ray in care of King There’s a measure of Features, 628 Virginia Drive, industrial precision called Orlando, FL 32803, or email “tolerance.” Tolerance is the space between parts. by visiting the Car Talk Back in 1951, manufacturing website at www.cartalk.com. tolerances just weren’t that *** good. You could slip a hot air (c) 2019 by Ray Magliozzi balloon between some of the and Doug Berman parts in this car. Distributed by King These days, our manufacturing processes are Features Syndicate, Inc.