![]() ![]() Even so, many people are hanging onto their old cars longer than ever these days and are still putting money into repairs to keep them running. A real cream puff low-mileage mint condition car might fetch a couple thousand dollars on a used car lot.īut, many of these vehicles are so old that they are probably worth less than $1,000 - which makes it tough to justify spending a lot of money on repairs if major engine work is needed. Most of these vehicles have aged to the point where they don’t have much resale or trade-in value. The narrow 60° angle of the V6 cylinder banks was chosen so the engine would more easily fit into front-wheel drive cars and minivans (though it has also been used in rear-wheel drive applications, too). By simply changing the bore diameter, the displacement of the same engine block could now be increased for more power and torque. ![]() Over the years, GM has saved a bundle on manufacturing the 3.1L engine by using the production line tooling it originally developed for the 2.8L V6. The larger 3.4L version has been imported into the U.S. Today, the 3.1L lives on in China where it is being made in various displacements (2.5L, 3.1L and 3.4L) for GM’s Chinese-built Buicks. The 3.1L was eventually replaced with various versions of the 3.4L V6. The engine itself was based on the earlier 2.8L V6 that was first produced back in 1980. The engine itself went through continual evolution and improvement during its production life, including Gen II and Gen III versions, plus an “Enhanced 3100” version from 1999 to 2001. Over 10 million of these engines were built during this period. ![]()
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