We head to Westech Performance to see if the right parts, and some careful porting, can help this 1.9L LSA-blower-topped 416 LS3 make big power Related Videos 5:04 ...

They also both use an aluminum block and L92/LS3 cylinder heads. While both the LS3 and LSA make use of higher-flow rectangular port heads, compared to cathedral port heads found on earlier Gen ...

We definitely weren't expecting to stumble across a four-cylinder crate engine topped with an LS3-port head! Blueprint Engine's John Chrise told HOT ROD, "We were there to show off some new racing ...