This became an obsession. We blame eBay. Once we'd purchased one or two cheap and collectible intakes online we became transfixed, recklessly bidding for the next screamin' deal or oddball intake. By ...

We recently spent a couple of days dyno-testing several different rocker-arm ratios on our 470-inch Mopar big-block. The good news was the engine made 700 hp on pump gas, but we were disappointed when ...