When we last left Modern Mouse, our in-house 5.3 LS dyno mule, we had just run a Zex perimeter plate nitrous system on the now 383-cube stroker. For those who don't remember, the Modern Mouse series ...
Among the advantages of these engines are factory aluminum heads, lightweight composite intakes and in some cases aluminum blocks. Many, such as the 5.3L (RPO LM7) have a cast-iron block with aluminum ...