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I agree Supraguy, this is not a new build but I did add oil to rings before setting the head and doing a leakdown test. My compression was 158psi before 2mm HKS blew. I was hoping this 2mm Cometic would seal. I have a stock head gasket, might be more torque and less boost for a while. Thanks

Does anyone do leak down test after new MLS HG before completing assembly? Are heat cycles necessary for gasket to seal properly? My leak down results before start up are not good. Head was tested, machined .008, new stem seals. Block was decked 90k ago. Compression was good before disassembly...

Yes I was expecting a water pump seal, gasket, or hose leak. My leak is between the lower 2 bolts on the left side of the timing belt case. If I understand this set up the water pump is enclosed by the rear timing belt case/cover and includes the water outlet tube. I thought if the pump gasket...

My 7mgte timing belt case is leaking coolant, sometimes it leaks a bunch and sometimes not so much. 1. Has anyone seen a way to install a timing belt case without removing the oil pan? I'm hoping for a 50/50 chance of no oil leak(s). 2. Any possibilities of repairing TB Case crack or pit...