Quote:
Originally Posted by markeb01
It’s amazing how big this engine is. Check out the dimple in the firewall next to the valve cover, compared to the clearance with the small block Chevy a few photos down.
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Quote:
Originally Posted by markeb01
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Did they actually have a different concave in the firewall for these V6 GMCs?
You surely have plenty of room to spare behind the HEI in your V8.
My V8 HEI is right up against the firewall on my 66 that had the I6 292.