rotoflex Posted April 19, 2007 Share Posted April 19, 2007 I am not very familiar with hotrod cam theory, my understanding is just above the basics of how camshafts & that tilting towards longer duration & more lift yields more power (& lumpier idle).I bought a cam back in the 80s when the factory competition cams had dried up & Iskenderian for some reason couldn't get me one; I don't remember who referred me to this vendor.Looking at the data sheet, its timing is very different from most other cams:OEM GT6's: 18-58-58-18, 25-65-65-25, 10-50-50-10 (GT6+ emissions cam)Factory competition cams: 31-71-71-31, 42-71-71-42, 37-73-73-37etc.This cam: 20-56-60-16What would be the reasoning behind & effect of this cam's timing not being umm, symmetrical like the others? Link to comment Share on other sites More sharing options...
CharlieB Posted April 19, 2007 Share Posted April 19, 2007 If you retard that cam by 2° you get 18-58-58-18 hey presto a standard cam!advancing a cam will move the power down the rev range slightly & vise versa.Charlie Link to comment Share on other sites More sharing options...
Deleted User Posted April 19, 2007 Share Posted April 19, 2007 post removed on request of author Link to comment Share on other sites More sharing options...
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