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Hi All, I'm working on a 69 Mach 1 with a 70 385 series 429 engine. It's a tight fit but it runs and drives fine. Those of you with a 385 series engines in your car do you have these same issues? 1) The engine has cast iron exhaust manifolds but it still looks impossible to change the plugs without pulling the engine up. How do you change plugs? 2) The air cleaner is the typical 14" round style but only 1" tall so very small. I don't think there is a mm to spare under the hood with the Edelbrock Performer intake and carb. What air cleaner do you use? Thank you! -John