Ask Ed 39: Big Block Cams, Duntov Secrets, 351W Power Tips & More! Ed Smith w #BarryT

In this episode of Ask Ed Smith, we cover a wide mix of classic hot-rod and racing engine questions — from cam swaps to crankcase tricks. Ed draws on decades of engine-building experience to explain what works, what doesn’t, and why. If you’ve ever wondered about the myths and realities of small-block power, this episode is packed with answers. Big Block Cam in a Small Block? What happens when you try, and what to expect. 30-30 Duntov Cam: Why this famous grind isn’t as wild as people think. 351W Easy Power List: Ed’s go-to upgrades for reliable horsepower. Split Manifold on a Chevy 6: The old-school trick for better breathing. 427 Cam in a SBC: Why it’s possible — and what to watch out for. Crankcase Vacuum: How and why racers use it for more power. Rough Idle Issues: The role of cam overlap, fuel, and tuning. Racing Exhaust Design: What makes race headers different from street setups. This episode is a must-watch for enthusiasts building or tuning Chevy small and big blocks. Tune in for expert advice from Ed Smith, practical tips, and clear explanations to help you master your build. #AskEdSmith #Barrytsgarage #ClassicCars #EngineTech #Camshaft #HotRodLife #dragracing #carbuild #musclecar #americanmuscle #enginebuild #classiccars #vintagecars #carenthusiast #hotrod #camaro #carperformance #cartech Join this channel to support us and get access to perks:    / @barrytsgarage