[mysticmissle]

Not sure if these pics will help but I believe this intake will
Clear an early Firebird hood. Pic shows performer rpm and Holley that a standard 400 air cleaner fits fine under hood. Also placed tunnel ram and a Holley 650 with a 1” spacer (no air cleaner) and out some
Foil in the air horn. Hood shut but did compress the foil to about 1/2” or so.
My plan and hope is that the Holley efi will not require a spacer and I will gain that 1” back or atleast
Some
Of it. This is a. Standard non 400 hood.
Observations: 69 alternator bracketry may not allow alternator to clear front of flange without trimming of manifold. And the water neck bracket location obviously will not be available
Large base distributors will definitely NOT fit, I have an hei body on This motor currently but will
Switch to standard smaller body when time comes,
I only tried to thread one bolt in to make sure manifold was in right position for the pictures. I may fiddle around with it when motor goes back in. I had a roller
Lifter fail so pulled motor to clean it up and the photo op was available

These are not complaints only observations