cosworth cams problem
02-02-2006, 03:51 PM
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cosworth cams problem
can anyone help.i bought bd10 camshafts for my sierra 2wd cossie and can not get the timming to line up.if the block is on top dead centre the cams are out by just over one tooth on each cam what do u think
02-02-2006, 08:49 PM
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yes it is timed up properly. when the crank is on the notch and try to time up the cams they come round so far and then the valves seem to hit the top of the pistons. someone told me that if the head has been skimed to mutch this could b the problem. could this be possible
03-02-2006, 08:41 AM
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Originally Posted by Dave Henshall
also wild cams like those will need pockets machining into the pistons to allow the valves to be open for longer.
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03-02-2006, 08:44 AM
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Originally Posted by duthie8969.fsnet.co.uk
yes it is timed up properly. when the crank is on the notch and try to time up the cams they come round so far and then the valves seem to hit the top of the pistons. someone told me that if the head has been skimed to mutch this could b the problem. could this be possible
what are you calling the notch? the groove
??? if so then that's the problem as you use the lug nearset the groove to time up on the yb's engine
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