Quote:
Originally Posted by scorp508
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The lift figures look reasonable for welded cams. Those duration numbers, though, don't make sense. 275 degrees intake would have to be seat-to-seat (total) duration. Most people refer to the .050" duration numbers, which would be something much less, around 230 degrees? Stock is 214 primary / 228 secondary.
248 exhaust wouldn't be a reasonable duration @ .050" lift, but also too short for total duration. i'd be curious to see the cam card on those.