GM small block engines have seen 13 U.S. presidents serve ... They also both use an aluminum block and L92/LS3 cylinder heads. While both the LS3 and LSA make use of higher-flow rectangular ...
The L92 was the first Gen IV small-block engine ... Although the LS9 generation is the most powerful of the bunch, it is GM's LS7 engine that is the most desirable. Packing race-bred internals ...