Failure

[FFRSpec72]

1st NASA event of the 2014 season and I had nothing but issues. New short block, 100 mikes on block for break in, 1st session ran fine, second session fine until @ 6000 RPM engine **** down but came back alive, temp went up on water to 230 and oil 280, pulled in shutdown and coasted into pits and saw water everywhere. Quick peek showed water bad manifold gasket, so we pulled that and found some water in the top of the heads, not much but was there, also water in the throttle body. Replaced the intake gasket restarted but there was pressure building in the cooling system, so put it back in the trailer and headed home. Upon teardown today this is what I found

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#2 and #6 Cyl gaskets were the same. Not sure where the failure is, thoughts ?

[Gordon Levy]

Looking at the gaskets I would say they were not centered correct like the locating dowels were not in place or they were on backwards.