I have a problem with my Holley 600 (4160)

cuda67 said

Question, will the drop down allow the OEM transmission linkage to work? There doesn't seem to be a whole lot of clearance with the Edel breather I have now.

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Here is a pic of the air-cleaner I was refering to on my /6. It is a 14" drop down air-cleaner. You can see how it covers half the carb.

I would start with the Edelbrock heat gasket 340sFastback refered to.

Then go with a 14" drop down. It should clear your trans linkage. Kind of trial and air with this kind of stuff.

Take care