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Analysis of an Older Camshaft Design (Cam 1)

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Lake Speed's Ford C3 NASCAR Engine: NEW Comp Cam! 20+ Year Old Camshaft Specs vs Current Technology

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What happens here

Billy details the specifications of an older, successful camshaft design (Cam 1), which was created around 2002. He points out that the cam features a 1.65 rocker ratio on the intake and a 1.50 rocker ratio on the exhaust, with a 108-degree lobe separation angle. These older designs typically resulted in a valve lift of just over 0.700 inches. This design was considered 'state-of-the-art' for its era, aimed at providing a broad powerband.

Goal: Examine the characteristics of an early 2000s camshaft design.

Tools and materials

  • Camshaft Specification Graph N/A — Displaying the lobe profiles of Cam 1
  • Pen — Highlighting specific design numbers and curves

What they say

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lobes that would be really kind of the state of the art you know that's what somebody wanted a baseline cam that's what they would have had so this is the intake over here and this is the exhaust over here so if you look at the intake opening you can see this new design is a low shock design so you can see the red line starts earlier and then they at the Lash then it's a little slower early but then it accelerates really quickly through here around TDC if you compare this to

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