Quote:
Originally Posted by Will
The factory put #48 heads on the 350 HO, though only with. 407" lift.
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Yeah and built a ton of compression with those #48 heads. Advertised over 10. So they were supposed to be something like 68 cc. Those #16 heads are the same valve size but probably 75cc? We aren't talking about an HO equivalent head. Maybe shave them down a tad. But I would leave them alone.
They are a solid choice for a 350 build. Way better than many options. Not the best. But that's ok cause that wasn't the goal. Just don't over cam it and you'll be happy.