If ya have a good machine shop man and ya do all the assembly work yourself then rebuilding is the way to go. Joined jul 20 2005.

Chevrolet Performance 5 7l 350ci L31 Long Block Crate Engine With Vortec Heads For Gm Trucks Vans
Crate engine vs rebuild. So the actual block is really a moot point. If ya have to pay someone to build the engine for ya then the crate is the way to go. Crate engine vs rebuild posted by 04scooby mar 28 2006. A rebuilt engine is not the same as a re manufactured engine. This improves the overall performance and reliability of the engine. The rebuilt engine gives you more options to use the components ya want to custom build an engine.
A rebuilt engine is not a new engine but when an engine is rebuilt properly it can significantly extend the lifespan of your vehicle. To find out some of the problems associated with rebuilding a cylinder head read our post on rebuilt vs. If i went with a rebuild that would take a few weeks due to waiting on the machine shop. I am not in a hurry and a rebuild would result in me keeping my original engine. If you are adamant about having a four bolt main then that should be a question you ask of the company supplying your engine. The difference between a remanufactured or rebuilt engine is that theyve been overhauled or at least certified by engine experts.
A rebuilt crate engine is one that is completely gutted of worn out damaged or old parts and constructed with brand new ones. This option may cost less than purchasing a cylinder head and may work in the short term but if you want your head to last another million miles you might be better off purchasing a reman. Most economically priced crate engines will use a seasoned factory block much like when custom building an engine. Im lost as to which way would be easier and cheaper. The easier and quicker thing would be to go with a crate the swap could probably be completed over a weekend. Many crate engines are used for high performance.
A crate engine is a brand new engine available for late model and older cars and trucks that is basically ready to run upon installation. Im sorry if i sound dumb but i have my eclipse gsx and im looking into either a rebuild or buying a crate engine for it. Crate engines are a bit of an inigma for customers the assumption is that these are remanufactured or rebuilt but that is indeed not the case. I have priced crate engines from 1800 to 2800. Mar 28 2006 1. Theyre used and may have varying levels of new parts are usually more expensive than junkyard engines but less expensive than crate engines and usually come with a warranty.
A rebuilt engine has been taken apart completely and had its internal components either repaired refinished or completely replaced with new parts.