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Message: <blockquote data-quote="ProKiller" data-source="post: 1051769" data-attributes="member: 8095">limped the car back home after the show to tear it back down.  started the tear down and this happened:<img src="http://i147.photobucket.com/albums/r282/toolstang/Mustang/B2356359-0015-4608-8908-58BB8A3FAFAF-449-0000001D68653033.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />Discovered that i had some bad lifters too.  Had the intake welded back together.  i got a set of FRPP lifters.  The old ones came right out with the heads on still.  The new ones wouldn't go in though.  they had square heads where as the others had rounded heads.  Had to grind down all of them to get them to slip in.  That was nerve racking.  side by side comparison.  new on the left, old on the right:<img src="http://i147.photobucket.com/albums/r282/toolstang/Mustang/33E58916-C954-4F74-AA9F-BEC88B491DA7-449-0000001D5288A496.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />after some grinding:<img src="http://i147.photobucket.com/albums/r282/toolstang/Mustang/ED579242-C4B8-4ADE-9BCA-C96AB1FC5BC5-449-0000001D5C78E9A4.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />Got them installed in and adjusted the valves to a 3/4 turn.  Started it up and the valves were still a little noisy but figured it just might take some time to quiet down.  I did all the tear down and reinstall on a saturday morning and didn't leave a whole heck of a lot of time to let the RTV seal up.  I didn't even get 5 miles down the road before i smell oil burning and see smoke. take it back home and the lower rear intake gasket blew out again.  parked it to tear it back down AGAIN.  So now the thought was this happened twice in a row so perhaps its because of excessive crankcase pressure not just bad seals.  The only thing i've changed is the catch can setup and the heads.  Can't be the heads so we're thinking the lines i used aren't big enough to the can.  since i had to take the intake off again, i readjusted the valves to a full turn this time and they are quiet now.This brings us up to date now.  I haven't taken it out since this most recent install as it was raining out when i last put it together.  i'm hoping to take it out this weekend to prove that it isn't the catch can setup and just two bad seals.  If it does blow again, then i have to rethink the catch can setup.</blockquote>