WebJun 22, 2024 · In terms of head flow, there was a substantial step up from the cathedral-port LS6/LS2 heads to the rectangular-port LS3 heads. That is why adding LS3 heads to a 6.0 is such a popular swap. As you learn … WebDec 29, 2024 · What Are 706 Heads? Stock form 706 heads are some of the absolute cheapest but most effective GM Vortec cylinder heads that you can put in your LS engines. They can be used with engines from 4.8L and up with dish pistons, with some even being used on unconventional or 6.0L LS.
what LS heads to use on my 5.3 Chevy Nova Forum
WebApr 20, 2024 · The 706 heads are actually very good for what they are, although, there were years that were prone to cracking. If you go with a different cylinder head, with a larger chamber, you will be lowering the already low 9.5 to 1 compression ratio. ... Most of the other LS cylinder heads have larger combustion chambers. You’ll lower the compression ... WebFeb 4, 2024 · The SBF Enforcer uses the same premium-grade, chrome-silicon, 1.290-inch-diameter dual valvespring as the LS head. With 140 pounds on the seat, it is good for .600 inch of maximum lift and 6,500 … how to email prince harry and meghan markle
LQ4/LQ9 Engine Upgrade Guide: Expert Advice for …
WebFeb 15, 2015 · The LS engine is the leader in the crate-engine market and it's extremely popular for swaps into vintage muscle cars, sports cars, and hot rods. The Gen IV LS engine is an advanced pushrod V-8 engine that features rectangular port heads, and it has defined GM high-performance for the past several years. WebMar 14, 2024 · We find out which factory LS head works best under boost in this back-to-back test of the 706 heads vs. the 317 heads. WebWhen it comes to the feel of the engine, the cylinder bore size provides the defining characteristics of the motor. LS engines have cylinder heads that are really good since they are designed specifically for the LS engines family. With that in mind, LS1 has a standard 3.900-inch bore. Its thin, iron cylinder liners mean it can only be bored at ... how to email professor