It has 113-cc intake ports, 2.25-inch intake valves and 1.88-inch exhaust valves, a massive 1150cfm carb (yes, a carb), a solid-roller cam with 0.714 inches of lift, 12:1 compression, and it requires 110 octane fuel. Here’s GM’s succinct English translation of those stats:
Plus, Chevrolet Performance Crate Engines include a 24-month or 50,000-mile limited warranty. That’s right, most of the GM crate engines you’re about to see carry a factory warranty, so hoon away. These are the big things, but there are many other parts that may or may not be included with your specific crate motor check with your provider for more details.
Enter the LT4 crate engine. Power comes on fast: a 1.7-liter Eaton supercharger spins at 20,000 rpm to force 9 pounds of boost into this 6.2-liter engine. That results in the same 650 horsepower and 650 torques you’ll find in the Z06 that’s sitting over at your local dealership, but for a fraction of the price.
It also favors a hydraulic roller camshaft instead of the original’s flat-tappet cam. It makes a few extra ponies over the old model, too: 480 horsepower and 490 lb-ft of torque will melt any tires this engine’s hooked up to.
With so many used minivans on the North American market today, we decided to narrow our list to the used minivans that should have an average retail value between $6,000 and $15,000 according to KBB.com and nadaguides.com. Our assessment of the quality of these used minivans is based on information from Consumer Reports, owner reviews, and professional reviews.
The beauty of a crate engine is that it can go into any vehicle you want. The engine gave out in your truck? Maybe it’s time for an upgrade. Want to make a V8 Pinto? Go right ahead.
On paper, the Toyota Sienna seems to offer everything. It is roomy and has plenty of cargo space. Unfortunately, what looks good on paper isn’t always good in real life.
GM has been producing small-block and big-block engines for decades. Throw a few extra parts on one of these bad boys and you’ll be burning tires in no time. Before we talk about the best GM crate engines, let’s start by answering a few basic questions. Ooh, shiny. (source)