ok i searched
but i cant seem to find a how to and a why to do this mod.
i have see pics of tii lim with 2 extra injector bosses installed but i dont kno
why they do this and HOW to do this.

honestly im more interested in tig welding some holders for water alchy injectors.

but want to get more knowledge

 

The ones you have seen are probly the FD Excessive lower intake manifold which has 4 injectors.

 

no.
it was a fc lim and the bongs was welded in the middle of the intake i remember because one was crooked

 

Oh. Well the reason people need to do that is because they need the extra fuel. Big turbo,
e85, etc. And i dont think that it would be to hard to get two injector bungs and have them welded in.

 

For a TII motor your choices are to modify the intake for extra injectors yourself, or run a JW or Pro-Jay LIM with a 4-barrel throttlebody and 8 injectors.

Edit: If you're just looking to run water/meth injectors, all you need to do is drill and tap for the threaded nozzles, you don't need to weld anything.