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Tag Archives: valves

Valve Spring Tech: Secrets of the Industry Revealed

VALVESPRING-3

  Here’s the valve spring technology breakdown that only top industry experts have known about, until now! With 50 years of race-winning engine building experience, David Vizard hosts episode 4 of Power Tec 10 with the goal to educate race engine builders and the home mechanic engine builder alike on new valve spring tech. Taken at face value, a valve spring ... Read More »

Low-buck DIY: Valve Lapping

valvelap_0002

We recently refreshed a set of 30,000-mile heads for our budget LT-1 rebuild. While we did splurge on new springs to match our cam, the valves cleaned up nicely and we decided to re-use them. Inspection revealed a little pitting on the sealing surface, and while they might have been just fine, we knew they could be a little better. ... Read More »