These 6 budget small-block Chevy V-8 long-block crate engines cost under $4,000 and put out between 250 and 315 ...

The engine is a 6.7L 408 LS truck block with forged internals, with a single Precision Pro Mod turbo bolted on the front.

Firebird 400 coupe features LS swap, six-speed manual, custom suspension, and recent restoration in Tyrol Blue.