Hey guys wife got Suburban hot, thermostate was not opening... When I opened her up I found oil in water, but no water in oil... Its running good, not rough at all... I heard from a buddy that the intake gaskets on these are problamatic, I would think water in oil but not oil in water... Any ideas?
Oh yeah 1997 3/4 ton suburaban 350... Thanks
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K5 fabbed everything, welded 10bolts, sm465, hydralic clutch. 1 tons waiting for 10bolts to grenade. 35" boggers. most the glass is broke out, no straight sheet metal, seems to be on its side as often as its not
02 cummins dualy tow rig, all stock for now, cept for a BHAF. exaust next then a chip n were done.
id be leaning towards a cracked head, possibly intake manifold. is the intake manifold plastic?
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K5 fabbed everything, welded 10bolts, sm465, hydralic clutch. 1 tons waiting for 10bolts to grenade. 35" boggers. most the glass is broke out, no straight sheet metal, seems to be on its side as often as its not
02 cummins dualy tow rig, all stock for now, cept for a BHAF. exaust next then a chip n were done.
I'd lean towards a head issue. either a cracked head, or a damaged head gasket, perhaps a warped head. There are no oil passages i nthe intake, so a cracked instake wouldn't result in cross contamination. I doesn't take much to pull the intake and ehads and re-gasket the top half of the engine. As long as the ehads are off, you may want to take them to a head shop to have them inspected for warping.
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