Nice find! I've been thinking quite a bit about spacer blocks for the chargecooler or intake manifolds. Firstly to improve heat insulation, and secondly it would make an excellent entry point for post-intercooler/pre-intake meth, if you can work out how to get past the brick...

 

He has meth water injection built into his manifold spacers. You are right on the money. They are for LS engines and Mopars and Coyotes. What I want to know is what material is that. I think Carbon might be the best material to make them from but a maybe NOMEX would be ideal. Layer and epoxy sheets of Nomex and CNC them out. That's probably what I'd do. Run atomized water injectors in each runner in the spacer.

 

Hard to tell from the pictures. Could just be some sort of high-temperature composite with Cerakote or similar giving it that sort of matte-ish look. Personally I agree carbon would be the easiest, plenty of people experienced enough working with it who could fab them up from a template.



Yep. I've seen water/meth installed both pre-TB as well as in the top of the chargecooler lid, but I'm not a fan of either - I don't want to likely strip the rotor coating on the supercharger by running pre-TB and I also am a little (lot?) concerned by the threat of pooling in the chargecooler bricks, which sit right above the intake ports, if I ran it in the top of the lid.

As far as I can see the only place remaining is between the intercooler brick and the intake ports - there are a few problems here: When the chargecooler lid is mounted on the intake manifolds, there really is not a lot of space between the bottom of the chargecooler bricks (which sit pretty low) and the intake ports, and there's basically no space either internally between the supercharger and the intake manifolds, or externally between the intake manifolds and the valve covers/heads. It's basically really tight down each side of the vee. I considered tapping maybe the front and rear of each intake mainfold but I'd be really unsure about getting even distribution/cooling in that scenario and again possible pooling depending on spray pattern etc. Additionally, the factory location of the IAT sensor in the rear of the RH intake manifold doesn't really allow for spray between the bottom of the brick and the sensor, which means that even if you use spacers between the intake manifolds and the block, any injection is going to be post-IAT and therefore has to be accounted for in tuning or whatever.

The plan I was/am investigating/considering was to add a spacer block between the intake manifolds and the block (optional, for heat insulation) and an additional spacer between the supercharger, intake manifolds, and lid. Then in this upper spacer, you could run pipes e.g. like these metal ones through the spacer plate down inside the inlet manifolds and bond the spray nozzles on the inside of the manifolds at the end of the pipes so that they spray below the intercooler brick, which would sit higher anyway due to the upper spacer. Might even be able to tap the IAT lower with this setup too. I don't think it'd be too tricky to seal the pipes in the spacers against boost etc.

I'm probably not doing a great job explaining this but could maybe get a diagram together. Or just try it out with the spare chargecooler lid + intake manifolds I have

 

agreed