V12 Cheetah For Sale

Cheetah Evolution are building a V12 LS powered show car for LS Fest & SEMA and it could be yours!   The team at Cheetah Evolution are building a V12 LS powered Cheetah for this show season then offering it for sale at a heavily discounted price after SEMA 2018. The build will hit the show circuit including LS fest …

Cast Iron Blocks

Our cast iron blocks are here, and check out the features! Fully CAD designed Rigid heavy wall block design Cross webbing between banks Extra stiff structure linking head bolts through to main caps Bay to bay ventilation reduced from GM design for increased structural integrity Siamese bores for reduced wall flex LSX  6-bolt head design Main bearing feed from both …

V12LS SEMA Cruise Videos

Another SEMA show over and what a great time everyone had again this year. There was constant traffic all week at the Haltech engine management booth with one of our alloy prototypes on display and Ron Francis Wiring featured the V12 LS Camaro. On Friday afternoon Mike cruised out of the SEMA show over to the Ignited event. Many people …

ATI TH400

Finding a streetable transmission that can that hold up to the power and torque curve of even our base LS12 engine is more difficult than you might think. We put in a call to our friends at ATI and they are building us one tough TH400 with a full auto valve body that can handle the LS12 while retaining some …

2016 SEMA Launch Pad

V12LS.com are honored to be 2016 SEMA Launch Pad Semi-finalists! Matt headed out to Vegas for the SEMA exhibitor summit and plans for the show are progressing nicely with at least one, if not two LS12 powered show vehicles being built to show off our engine. The highlight of the event was getting to meet and spend time with so …

Running on all 12 with Haltech

After successful fire ups on each bank independently, we switched to a high torque starter and configured the Haltech Elite 2500 to run our first prototype engine. The ignition for each bank is setup like a waste-spark straight 6, with one firing in reverse order. We are not aware of this being done before with one ECU, but the Haltech …

Shortest LSX Drive System

We hit the floor at SEMA 2015 to find the shortest possible serpentine drive system for the LS engine, and we found it! This innovative system made by Zach from drivejunky.com mounts the A/C compressor down low, therefore allowing all the pulleys to be moved back further. Perfect for fitting an engine like ours into your muscle car. Our turn …