11-04-2008, 11:11 PM
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CC Member
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Join Date: Feb 2006
Location: Gore. New Zealand.,
SI
Cobra Make, Engine: DIY Coupe, F/T ,MkIV.
Posts: 808
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Not Ranked
Two possibilities that I have struck with these,
1.The rear main cap sometimes needs to be trimmed to clear the pan ( really the pan needs to be shaped to clear the cap- but its a more permanent fix to massage the cap ). While the pan fits , it distorts slightly just as you nip it up & the oil getting thrown off the crank @ high RPM finds a way out making it look like the rear main leak.
2. There are more than one dia of seal for these cranks/blocks including one that barely contacts the seal surface, make sure you have the correct seal.
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Jac Mac
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