Time to begin fitting the TBI unit.

Used an old gasket to make the template for the adapter holes.


The next two are rough fitting the adapter. They are not the best of shots but you can see where I had to cut the recesses for the rear allen cap screws.



One thing which needs to be dealt with is the IAC on the GM TBI unit. It originally had a thick plastic "surround" into which the wiring plugs. That wasn't going to work as it hit the cam housing. Two ways to deal with it. Plug the hole and use a remote IAC or remove the surround and use some right angle connections. I went with the connectors. The surround is easy to remove as it is a brittle plastic. I gave it a quick buzz with a cutting wheel mounted in my dremel and it snapped right off.


Rough mounted showing the proximity of the IAC and the cam housing. It's not as close as it looks and once the connections are on there will be no interference.