LS12 LS-Based V12 Engine Walk Around That Will Blow Your Mind
This article is about a custom built V12 LS mills. The guy who is responsible for this masterpiece is known as “Ray” in the LS1Tech forum. We think that he just made the first step to let people be doing LS swaps in Ferraris and Lamborghinis. There is something we found more interesting – Ray built another ‘LS12’ some time ago and shipped it to Norway. The engine was supposed to be installed in a P-51 aircraft replica.
The second engine Ray built is going to be fitted into a Suburban that is currently being modified and is under construction. The third and last one engine of this type was built for the team themselves with parts that were left from the other projects and customer orders. Ray and his team are thinking about modifying a Nissan 240Z and putting the ‘LS12’ under the hood.
The most interesting part is how these guys made it. The first step is to cut two blocks in half. After that Ray and his team weld these halfs up. The factory stroke is kept which means that in the end we will have a 8.9-liter monster or 545 cu in. The first two ‘LS12’ engines that they built featured a a custom crank, but the last one features a two-piece crank design. It’s just far cheaper – that’s the reason for choosing this.
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Ray’s custom built ‘LS12’ engines is using its own firing order when starting up. The team managed to section stock cams and this way saved about $12k. If you wonder what they did with the left pieces of the blocks – the team created a V4 engine used in a motorcycle in the garage. As Ray said, the hardest part is actually to weld together the block sections, the heads and the cam sections.