Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Like I said earlier looking for header clearance, spark plug maintenance ease, and I don't need 650 to 800 H.P. I've had it. Just looking to build a 500 H.P motor for a stock factory appearing 70 Roadrunner, and I think a 451 is a good candidate to make that easily on pump gas, and the stealth...
Cast Iron heads for a factory look. I know it's easy to build 500 plus HP with aluminium heads. There were a few companies making crate 451 motors with cast Iron heads in the 7K price range a few years back. Also like the extra header room and room to change spark plugs. Excellent rod ratio.