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This is my dream... 140-160 1974

posted by  CyaLater on  Sun Feb 29 19:05 CST 2004
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As much as I love B20's, they make a very bad choice for turbocharging. Proper turbo camshafts should have no overlap & to do so means the camshaft is so small that it restricts breathing & defeats the purpose of having a turbo. Also, you have to increase valve spring pressure to counteract boost pressure on the inlet valves & back pressure on the exhaust valves.

If you want to turbo, put in a B21 & turbo that. Better still would be a supercharged B20! :)

Cheers,
Paul.





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