In the early-'90s, GM introduced the Second-Generation LT1 small-block. It featured reverse-flow cooling and an aluminum cylinder head with a new port configuration. In essence, the company created ...

Add Yahoo as a preferred source to see more of our stories on Google. Any engine builder will tell you how important cylinder heads are to power and performance, so enthusiasts looking to spruce up ...

What happened to the big power numbers of the 454? The last generation big-block by GM (Vortec 454) leaves much to be desired when it comes to output. The Vortec big-block was gifted with a sequential ...

Some engines just won't go away. Back in the May '11 issue, we brought you the first part of our budget-built 400 small block Chevy. The idea was to bolt a set of iron Vortec heads on a junkyard 400 ...

Add Yahoo as a preferred source to see more of our stories on Google. Cylinder heads get a lot of credit when it comes to engine power. Here at Jalopnik, we've touted the Chevy double hump heads' ...