So here's the problem...I have a 79 Bronco (to go with my 68 fastback of course) and i have recently purchased a new motor (rebuild) from Jasper...after driving it for a couple of weeks, It began leaking out the intake manifold rear seal...so I decided I must have f'd up the seal during install,...and just decided to redo it...at the same time, i changed the oil at the 500 mile mark...so..I do this, and within ten minutes of drive time,...it blows the seal right out,..and oil follows...smokin/burning of the headers...etc. so...as the story goes...6 more tries later, and each time the same result, I call Jasper...who of course asks me to check pcv...which is also brand new...with edlebrock manifold and carb, and everything else!..then they say I should reseal it,..and omit the rubber seals front and back, and use silicone on the valley pan instead...I do this...it works...its tight....except now, I am blowing oil right out the tops of the valve covers...!! at the breather, and by the pcv...I'm at a loss..except to think they did a lousy rebuild job....Am i mising anything? any suggestions?...I'm doing a comperession test with a friend tonight,...but I'm lost,..and clearly concerned i'm gonna be swappin this thing out again!! and of course jasper does warranty,..but not if they find something wrong when they get it back...help please!!!!!