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GM warning 800,000 owners that their cars may need oil changes more frequently than they say

The days of changing your engine oil every 3,000 miles are long gone thanks to most cars having automatic oil monitoring systems, but about 800,000 General Motors vehicles apparently have incorrect monitoring software that is leading to premature engine component wear. According to Autoweek, certain 2010-2012 Buick LaCrosse, Regal, Chevrolet Equinox and GMC Terrain models equipped with 2.4-liter four-cylinder engines could be going too long in between oil changes resulting in a higher-than-normal number of warranty claims for the engine's balance chain. The balance chain links the balance shaft to the crankshaft, and a worn one can produce higher noise levels.
As a fix, GM dealers will be reprogramming the software for the monitors in an effort to reduce the interval between oil changes, which varies based on driving habits and conditions. Through February 2015, the software update will be done at no cost to vehicle owners, but since this is not a recall, after that point, it will be up to the discretion of dealers as to whether or not they will charge for the service. What isn't immediately clear is whether GM plans on giving assistance to out-of-warranty customers who are experiencing engine issues from the worn chain.

eBay Find Of The Day: 1946 Tucker Torpedo Prototype II hides a secret Riviera

The Tucker Torpedo is one of the great what-if stories of automotive history. Preston Tucker hoped to revolutionize the industry with a car unlike any other on the road at the time. However, due to a variety of problems, he only managed build 51 vehicles before closing shop. Over time, they have become highly sought-after; In 2012, one sold for $2.65 million at auction.
That brings us to this Tucker "replica" that you see above because it might be one of the ugliest monstrosities ever put together. However, we might extend some leniency to the creator, as the vehicle isn't actually trying to replicate the classic look of the 1948 Tucker Torpedo. Instead, it is attempting to reproduce an earlier prototype from 1946 that actually features that weird, trident nose. According to the seller, his uncle built the car as a labor of love and supposedly used actual plans from Tucker as inspiration.
Underneath all of the crazy changes is a 1971 Buick Riviera powered by a 455-cubic-inch (7.5-liter) Buick V8. Some of the replica's odder modifications include the front fenders that turn with the wheels and the fin running down the back. All three headlights work, but the one in the middle is only for the high beams. Oddly, the small hinged sections on the roof are meant to open to avoid hitting your head when getting in or out. Maybe the seller's uncle was a very tall guy?

Junkyard Gem: 1984 Buick Skyhawk Custom Sedan

Many laughed in 1982 when GM's Cadillac Division began selling the Cimarron, essentially a luxed-up Chevy Cavalier, at about twice the Cavalier's price. One rung below Cadillac on GM's Ladder of Success, the Buick Division got its own version of the Cavalier at the same time: the Skyhawk. Nobody laughed at the 1982-1989 Skyhawk's respectable sales figures. We saw an '85 Skyhawk coupe in a California boneyard last winter, and now here's an example of the sedan version in Colorado. This was the second generation of the Buick Skyhawk name, the first being applied to a Buick-ized version of the Chevrolet Monza during the 1975-1980 model years. That Skyhawk was available solely as a sleek two-door hatchback. This generation of Skyhawk could be purchased in coupe, sedan, hatchback (1986-1987 only) and wagon (1983-1989 only) form, with the coupe proving to be the most popular. For the 1984 model year, the base Skyhawk engine was the 2.0-liter pushrod four-cylinder from the Cavalier, rated at 86 horsepower and 110 pound-feet. If you opted for a five-speed manual or three-speed automatic transmission instead of the base four-on-the-floor manual, you could spend an extra 50 bucks (about 149 bucks in 2023 money) to get this higher-revving, Opel-designed/Brazilian-made 1.8-liter SOHC four-banger with 84 horsepower and 102 pound-feet. A turbocharged version of this engine with 150 horses was available on the Skyhawk T-Type. Buick was proud of both the overhead cam and the electronic fuel injection in this car, applying these badges to brag a bit. You'd have thought that a buyer sacrificing torque for a better-breathing engine would have selected a manual transmission, but such was not the case with this car. The three-speed TH125 slushbox cost $395, or about $1,179 after inflation. The cheapest '84 Skyhawk trim level was the Custom. The MSRP on this car was $7,345 ($21,922 now) before options. Its Chevy Cavalier sibling started at $6,214 ($18,546 today), while its Pontiac 2000 Sunbird and Olds Firenza counterparts were $6,791 and $7,293, respectively ($20,268 and $21,766 in 2023 dollars). Meanwhile, the King of J-Bodies, the Cadillac Cimarron, listed at $12,605 ($37,620 today) in 1984. That $7,345 sticker price didn't include plenty of features we now take for granted in new cars. If you wanted air conditioning in your new Skyhawk, as nearly every Buick buyer in 1984 did, the cost was $630 ($1,880 after inflation).