Derek Posted June 9, 2008 Share Posted June 9, 2008 I'm setting up to machine the injector bosses on my EFI manifold and I'm a little confused (What else is new). Every web page I can find about making your own bosses for the bosch injectors has you boring a .540 hole or better. One site http://www.sdsefi.com/techinta.htm has you boring a .640 to .650 hole through the boss then has you use an oring on the shoulder to seal the injector. This alows an air gap between the boss and the injector to cut down on heat transfer. I like the idea of this method but what concerns me is havening such a large hole into the intake. Won't this cause a ton of turbulence? Thanks Derek Quote Link to comment Share on other sites More sharing options...
cygnusx1 Posted June 10, 2008 Share Posted June 10, 2008 Wouldn't some turbulence help the fuel spread out better in the chamber? Don't mean to answer a question with a question. Sorry. Quote Link to comment Share on other sites More sharing options...
Derek Posted June 10, 2008 Author Share Posted June 10, 2008 Wouldn't some turbulence help the fuel spread out better in the chamber? Don't mean to answer a question with a question. Sorry. I was wondering that myself. It must not be a big problem as I can't find any posts regarding it on the web. Derek Quote Link to comment Share on other sites More sharing options...
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