SoCal Injector Hold Downs and Cups Question

duramaxdiesel

Dmax Nut
Oct 23, 2008
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Montreal, Canada
I kinda already know the answer to this, but I'll ask anyway.

When I gathered all my parts to build my engine, screw-in injector cups weren't available. I ordered a set of Guy's injector hold downs to prevent lifting a cup. Fast forward to today. I now have a set of the screw-in cups. The heads will be at the machine shop on Monday. Should I even bother putting in the SoCal hold downs now that the cups will be in there?