408 Stroker Short Block Details: Blueprint Engines

12many said

I could do that, but no clearance with the doghouse lid closed, I could test with it open to see, then do mod.

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easier than removing intake, trashing gaskets, and then grinding... if an open spacer doesn't yield anything...which in the 1/8th, it may not... i'd leave it.
you don't have 1/2 inch of clearance?