-------------- Original message from Ernest Christley <echristley@nc.rr.com>: --------------


> I cut up the stock manifold to get the mounting flange and the injector
> hardware. The injector bosses themselves are pieces of 3/4"x.058" 4130
> tube with a 5/8" washer welded to the bottom.
>
> I drilled several holes in the flange around the runners and countersunk
> the engine side. I then ran several strips of fiberglass tape through
> the holes and up the length of the runner. Flox mixed with the balled
> up tip of the tape serve as an extra anchor.
>
> The BMW throttle body is mounted on a .050" stainless steel plate with a
> fiber reinforced rubber mat for sealing. The mat squeezes and holds the
> bolts so that I can tighten them and install the cotter pins.
>
> I left a hole around the neck of the bottle in my initial layup. Pulled
> the mold out through that then sealed it with another layup. The
> hardest part of the mold to remove was the 3/4" nylon tubing that I used
> for the center runners. I had to twist them with needle-nose pliers,
> then spray water between the tube and the runner wall. Once I got water
> all the way through, it slipped out fairly easily. 

> http://ernest.isa-geek.org/Delta/Pictures/EngineIntakeManifoldComplete3.jpg