LS/LT Head Dowel Swap Tool
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- Опубликовано: 23 мар 2022
- Our DIY Head Fixture tool does even more now with the introduction of our LT/LS Swap Tool. This additional cutter tool allows the ability to swap heads and blocks between a Gen-V LT and Gen-III/Gen-IV LS engines. If you have an LS engine and want Gen-V LT-style heads, this tool allows that. The same goes the other way too. If you have a Gen-V LT vehicle but want all the tunability and performance of an LS top end, this tool will allow you to run LS style heads on your LT short block.
This tool is custom-made by our specifications and manufactured by an American-made tool company we trust. Like the rest of the kit, you can use the tool with a standard-style drill. It features a unique indication line for locating the stop collar. This drill opens up pre-existing holes for precise dowels, which are different between the two engines.
PLEASE NOTE: this tool is only one piece of the puzzle when swapping between LT and LS. The LT uses a cam-driven fuel pump and a unique camshaft. We are working with Cam Motion to develop custom cams for these applications. Also, LT pistons feature a design unique for direct-injected engines, and factory LS heads will have piston-to-valve clearance issues. In most cases, it may require pistons that match the heads (LS pistons for LS heads and LT pistons for LT heads).
Head Bolt Drill Fixture for Gen 3 & 4 GM LS-Series Blocks: www.tickperformance.com/tick-... 
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Honestly, this is great. LS3 heads with L8T short block.... Powa!!!!!!
I saw KSR use that kit and it worked good.
It’s all good stuff, I’ve got a few projects on the go, but have successfully run lt heads on an Ls block
Why? And what did you do with pistons
So I want to run LS three heads on a L 8T block you said I can use LS pistons do I still have to use the L8t rods and crankshaft or can I use all LS components
I'd check p2v clearance with the LS heads bolted first. You may be able to get away with them as-is, maybe fly cutting them at most. Search some forums because I've seen multiple guys running LS heads on the LT stuff with little to no mention of changing pistons. The piston change was more so due to the DESIGN of the piston is more conducive to a DI flamefront, not necessarily that they wouldn't physically work timing/valve wise. Contact BTR they seem to have the best grasp on this so far.
4.8 turbo + lt heads=?
10.1:1 static compression ratio 😎 I'm already digging it