Hosted on MSN7mon
GM's LS9 Vs. LSA Engine: What's The Difference & Which Is Better For Your Needs?
The LS9 features an aluminum block and cylinder heads, a dry sump engine oiling system, and stainless-steel exhaust manifolds. In addition, the LS9 uses 2.16-inch titanium intake valves ...
Hosted on MSN25d
GM LS9 Vs. LT4 Engine: What's The Difference?
The exhaust manifold for the LS9 is stainless steel, while the block, cylinder head, and intake manifold are all cast aluminum. The LS9 in the 2009 Corvette ZR1 was capable of some pretty ...