What's the dreaded head gasket leak, and do longer OCI's, or the PF-52, tend to bring on this leak? At what mileage range does this problem start to spring up and at what years did GM start to fix this?quote:
[dickwells posted 13 January, 2004: ] The longer PF-52 won't fit on my daughters 90 olds 88. One other caveat, should the dreaded intake manifold (or head gasket)leak develop, your engine may be toast by the time you get an analysis.