The 7 MOST Reliable American Car Engines EVER

The 7 MOST Reliable American Car Engines EVER

This inline-six engine was first introduced in nineteen fifty-nine and continued to power vehicles until two thousand—giving over forty years of service. Its unique thirty-degree slanted design wasn’t just for style; it made the engine fit better under the hood and helped balance the vehicle’s weight. This engine was all about keeping things simple and tough, which is why it lasted so long.

But even though this engine is known for being super reliable, there are new reports that it might have a big problem nobody knew about before, which could cause serious trouble.

The Slant-Six came in three different sizes: two-point-eight, three-point-two, and three-point-seven liters. The largest version, the three-point-seven-liter, became known as the "Super Six" after it received a power boost in the mid-nineteen seventies. This engine was never meant to be the most powerful, but it was a workhorse, used in everything from small cars like the Plymouth Valiant to trucks and even farm equipment. Its durability was legendary, with many examples easily lasting hundreds of thousands of miles with basic maintenance. Disclaimer:
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[johndyson]

I had a 77' Oldsmobile Omega with a G.M. 327 in it and that was one strong engine.. The 327 Chevy small block is my favorite V-8 engine.. The Ford Boss 302 was the first V-8 to have 1 horsepower per cubic inch...The Subaru 2.2 is a great engine also..

[selfdo]

The 225 "slanty" was NOT called the "Super Six" until 1976, when US cars equipped with it got an optional two-barrel for the 225. All Slant Sixes had a 3-13/32" cylinder bore, but there were two blocks; an "LG", or just "G" block, with a 3-1/8" stroke crank, and the block just tall enough to take it, to save weight, with a displacement of 170 cubic inches, and a taller "RG" block, meant to take both the 4-1/8" stroke crank, for 225 cubic inches, or, for the first half of the 1970s, a 198 cubic inch version with a 3-5/8" stroke crank, which was meant as the "economy" offering, and allowed use of the one "RG" casting. This engine, similar to competitors at AMC, Ford, and GM, soldiered on for YEARS, being replaced as of 1987 for the Dodge Dakota, which used the 3.9 liter V6 that was converted from the LA/Magnum V8s, and as of 1988 as the base engine for full-sized trucks and vans. It should be noted that the AMC Six was continued in production for twenty years after buyout of AMC by Chrysler, rather than adapt the 225 to the Jeep lines.

[gfisher]

My dad had a small block Chevy! Truck! Glenn

[johndyson]

I have a 07' Honda CRV it has 243, 000 miles on it and I need to put a quart in between oil changes. Runs like a top..There is a 07' Honda CRV with a million miles on it with the K-24 engine.. Same engine same transmission.. The best American engine in my book is the Jeep straight 6 4.0 Litre engine..

[bigsparky]

ROD & MAIN CAPS STRETCH...PLASTIGUAGE EACH CAP....MICROMETER IS BEST...SIMPLY MILL BASTARD EACH CAP IN VICE TO CORRECT...PLASTIGUAGE...THEN RE INSTALL