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Re: Ramshead Exhaust on 220cc Aluminum Heads?
If it were me I would not necessarily go for even anything as big as 195 on a DD 350 unless there was a pretty stout cam to back it up, and with that much head and cam, headers would be a must to get the most out of them. With stock manifolds, I would go with a set of the Vortec heads and a split duration cam. No matter how good the ramhorns are they are not headers and will be the cork in the bottle. Heck I have a 406 in a 71 Monte Carlo that still runs ported stock 73 Z28 heads (think 165 cc) that pulls like a monster.
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