Blue smoke
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Blue smoke
I purchased a used 302 (73 or 74 model) to put in my early bronco. After Iinstalled it was exhausting some white smoke so I decided to go ahead and change the head gaskets. When I took the intake off I noticed that the bottom of the vacuum manifold was totally blocked in the port going back to the head (black sooty stuff). The head port was also blocked.
After cleaning out these ports and installing the new head gasket and putting everything back together, it now blows blue smoke! Not just at warm up but after warm up. I probably do need to do a complete overhaul but why am I getting blue smoke after the head gasket job and not before? Was the clogged head port masking this previously?
Also have a drop in oil pressure after warmup. The oil pan was dropped and all the old crap and sludge cleaned out but I did not replace the oil pump.
After cleaning out these ports and installing the new head gasket and putting everything back together, it now blows blue smoke! Not just at warm up but after warm up. I probably do need to do a complete overhaul but why am I getting blue smoke after the head gasket job and not before? Was the clogged head port masking this previously?
Also have a drop in oil pressure after warmup. The oil pan was dropped and all the old crap and sludge cleaned out but I did not replace the oil pump.
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