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B21F: 'A' cam + 10.5:1 OR 'K' cam + 9.3:1 200 1979

posted by  someone claiming to be Rhys on  Wed Dec 4 20:03 CST 2002 [RELATED]

Higher compression tends to reduce the effect of "wilder" camshafts by reducing the amount of residual exhuast gas. Neither of these cams is really wild though. Choose the compression you want for its own sake, and the cam you want for its own sake, and don't confuse the two.
Personally, with a B21F I would use lots of compression, the A cam, and the best fuel and most ignition advance I could get out of it.
The interference you speak of is only a concern if the belt breaks, and as most engines out there are interference types, why worry? Keep good cam timing components in the motor and drive it.





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