There are many choices available when it's time to purchase an engine for your GM vehicle, just as there are many factors involved with selecting the right one. For example, whether or not your ride is smog legal, your car's weight or simply how you want your car to perform will all affect what engine best fits your needs.

Usually, your best choice is to purchase a new engine block. That's certainly the most reliable option. Selecting a new "crate" engine takes the gamble out of the engine equation and there won't be any worries about the block being cracked or just plain no good.

It sounds easy, right? Well, you might be overwhelmed when you find out that there are 30 new engines and engine combinations available through GM Performance Parts, from basic 350/290 combination engines that are great replacements, especially if you're just looking to get your project on the road, to the newest LS7 engines, the same engines found in most Chevy Corvettes.

You should always check prices before you buy an engine from a local dealer, and find out who's the biggest retailer in your area as some dealers can give you a better price due to their larger volume of business. Some dealerships buy crate engines by the truckload and are able to pass the savings on to you. This article attempts to spotlight a few of the more likely engines that are available and help you narrow your options for that upcoming project car.

DisclaimerApplications have not been validated and are merely suggestions of how you might enjoy your GM Performance Parts crate engine. Some applications may affect engine warranty. Some applications may not be emission legal; check state and local ordinances.