It's a little weird to me that they used a spread bore / square bore carb flange on a manifold that will likely never see a spread bore patterned throttle body.
Considering it's a port injection manifold and distribution would be handled by the injectors, I'm not sure if it matters. They probably took their standard single plane design and just added injector bungs. Nothing wrong with that.
I'm liking what Luhn is doing with the old Offy 360's. Adding injector bungs with a bottom plate setup to accept a holley mid or high ram.
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-Jason
1969 Pontiac Firebird
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