Quote:
Originally Posted by chevyrestoguy
Question: The guys running big blocks: Did you have any clearance issues with the passenger valve cover and the firewall? Did you have to move the engine forward? Any clearance issues with the heater box? I'm asking because I'm going to install my donor 454, and the firewall has the original paint that I would like to keep. I'd rather not have to modify the firewall if at all possible.
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Here's a pic of mine when I first stuffed it in - there's about a finger width of space in the red circled area with engine mount towers on the forward frame mount holes. Edelbrock valve covers fit fine - heater box is okay; probably gave me the most trouble clearing the brake booster going in.