NIcad7 Posted September 16, 2010 Share Posted September 16, 2010 The heads dont need to come off to change the cams... However, if you are wanting to raise/lower the compression ratio with the install the heads will need to come off. Also if you want to fit stiffer valve springs to compliment the cams the head will have to come off, or the cylinders pressurised to stop the valves dropping inside I am interested in buying these cams following specs and pics of the lobes Quote Link to comment Share on other sites More sharing options...
Mark@Abbey m/s Posted September 16, 2010 Share Posted September 16, 2010 In my opinon these cams wont work on a N/A car without raising the compression ratio. You need to rev these motors to make any more BHP. The stock valve retaining caps dont like over 7200rpm , the stock rod doesnt like 7500+ rpm. I feel if your going to fit cams , get the motor out, fit rods and pistons raisde the compression ratio to 13+ to 1. rebuild the heads with the correct valve caps. then the motor will give some better top end BHP but you will lose the great midrange the stock motors give with a good tune. Mark Quote Link to comment Share on other sites More sharing options...
andlid Posted September 16, 2010 Share Posted September 16, 2010 get his brakes and tt setup up here Quote Link to comment Share on other sites More sharing options...
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