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tapping cosworth

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Old 09-09-2005, 06:26 PM
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sbon
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Default tapping cosworth

Can anyone help me?
A tapping noise has developed, it is coming from the head. I have replaced the tappits but it is still the same, and I think it is louder. I have had the engine re-built in the last six months, so I know its not the bottom end. Is there a special way to fit the lifters?

All help would be apriciated
Old 10-09-2005, 02:49 PM
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antony215
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Have you checked the oil pressure
Old 10-09-2005, 03:09 PM
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Dave Henshall
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are the studs for the cam shaft caps ok on the exhasut side, the ally goes weak due to the heat and they strip out allowing the caps to lift and cause a rattkle and in extremes snap the shaft
Old 10-09-2005, 05:43 PM
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sbon
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Thanks I have checked the cam caps and talked them down. The oil pressure is OK, thanks for your advice any more aprichiated.
Old 11-09-2005, 04:50 PM
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could be the valves hitting the pistons, check the cam timing
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