Built for around $20K, Shawn Hopkins’ DIY-built LS V-8–swapped 1977 Oldsmobile Cutlass is a master class on how to maximize ...

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Thanks to them, even tiny four-cylinders can make the type of numbers that used ... Junkyard LS. Richard Holdener Holdener took a stock, flat-top 5.3-liter LS and put it on an engine dyno to ...

The base engine is a 4.3-liter V-6. Silverado trim levels start with the Work Truck and progress to the LS, LT, LTZ and top ... mpg city/highway/combined, a 5.3-liter with the eight-speed gets ...