then we both need to figure out this one. I took off the valve covers and tapped 5/8 barbs to help it breath. I saw this under the baffles. I also have a lot of condensation in my catch can. I have to let it out like every other day. Just looks like water. But I am not burning coolant or oil.
Think its a 4.8 thing?
I dunno. But I have a 370 if it is lol. Im wondering if maybe its because of vacuum. I didnt notice any problems until after I put the cam in. Maybe an oil pump problem. When we did the cam swap, we didnt touch the oil pump or timing chain. I just cant figure it out.
GenIII if you have that in your oil that is possibly causing the oil pressure issue. im not a fan of additives but try some seafoam thru the motor. you need to clean that motor. i think you can run seafoam thru oil. i would run it then instantly change the oil again after all the gunk is out. keep repeating this using cheap oil so you dont go broke.
but get yourself a leakdown tester if you can and see if motor is all within spec. that much sludge worries me.
i also dont like mobil 1 oil at all
2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
2002 Silverado - 427Lsx w/ Twin gt4202s
2010 Silverado crewcab Z71 - 5.3litre w/ procharger
2000 Wrangler - 5.3litre with some stance
2014 Xsport- 3.5 Eco boost
412 Motorsports
it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference
Hello Jeff,Originally Posted by ff_jeff
Is this what the caramel stuff you have looks like?
This might be a dumb ? --- but do you have your PCV hooked up yet? Looks like the [ Positive Crankcase Ventilation ] valve is not working. Normal water vapor and oil makes that goo. The PCV valve vacuum cleans the inside of your engine.
I remember 1953 235" Chevy 6 banger that had a Road Draft Tube. It came out of the block above the oil pan-- up about 10" then turned down below the oil pan flange to catch the wind to suck out the fumes.
just my
2002 GMC 1/2 ton Sierra,4WD, Xct cab, camed, mid-length headers, Nelson tune, electric rad. fan, trany cooler, Heavy 5750 lbs with topper.
That should be connected to the intake with the valve on the end of the tube that slides in the valve cover. That moisture is just collecting and not getting thru the intake to be burned off in the A/F mix.Hello Jeff,
This might be a dumb ? --- but do you have your PCV hooked up yet? Looks like the [ Positive Crankcase Ventilation ] valve is not working. Normal water vapor and oil makes that goo. The PCV valve vacuum cleans the inside of your engine.
I remember 1953 235" Chevy 6 banger that had a Road Draft Tube. It came out of the block above the oil pan-- up about 10" then turned down below the oil pan flange to catch the wind to suck out the fumes.
just my
5.3L '86 Silverado (E/T: 14.37s @ 94mph) - First Time Out!Test-n-Tune (Nov 23, 2008) - 13.65s @ 98mph
well ,i have a 6.0 and it has the oil pressure issue and condensation ,my motor is a 07 with less than 10 k on it.it idles warm at 30-35 psi ,as soon as i hit the pedal though it immediately raises and stays theyre until im at idle again.i am beginning too think its a problem with these motors tho.ive seen it on alot of them.jeff , idont think the oil pressure issue and the condensation issue are the same for you ,if anything i would def,say 2 diff things.same for me.i empty my catch can ,minimum 1 a week and theyres plenty of water in it and some oil .i used -10 lines to my catch can ,and all that did was stop the smoke at red lights when i stop.and took away alittle stink.anyway you guys arent alone id like to stop the condensation issue also.ive been fortunate not too have the caramel **** you guys have ,but the condensation alone is sickning.good luck ,ill sure be happy too figure it out also.
mods:2004 sierra ext sb,20s ,big brake kit w,hawk pads,air bagged,2006 6.0 lq4 swap,vortec supercharged10psi, air to water intercooled w/ dual electric fans on it ,snow meth injection kit,60lbers, e-fans ,big radiator swap ,cam 218 /222 548/550 comp .hardened prs .1.85 comp roller rockers ,guideplates ,crane double springs,trans 4l65e built .pacesetter l/ts true duals w/x pipe and magnaflows,14 bolt rearend swap ,3.73s,aroemotive fuel pump system w/elec.fuel controller and bypass regulator a/n fittings, taylor 10.5s interceptor gauge,aem w/b a/f ,autometer boost/vac NELSON 93 OCTANE TUNED .
I dont have a pcv anymore. It was dumping oil in my intake at a high enough rate to make the oil go low. I have 5/8 barbs to 5/8 hose that goes to a catch can. Can has a filter on top. I have also tried the seafoam approach. I did two oil changes with it. Oil came out dirty as hell both times. But I still get a little crisco. But no were near as much. I think removing the baffles helped a lot too.Hello Jeff,
This might be a dumb ? --- but do you have your PCV hooked up yet? Looks like the [ Positive Crankcase Ventilation ] valve is not working. Normal water vapor and oil makes that goo. The PCV valve vacuum cleans the inside of your engine.
I remember 1953 235" Chevy 6 banger that had a Road Draft Tube. It came out of the block above the oil pan-- up about 10" then turned down below the oil pan flange to catch the wind to suck out the fumes.
just my
glad it working for you.
2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
2002 Silverado - 427Lsx w/ Twin gt4202s
2010 Silverado crewcab Z71 - 5.3litre w/ procharger
2000 Wrangler - 5.3litre with some stance
2014 Xsport- 3.5 Eco boost
412 Motorsports
it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference
yeah, Thanks george. But Gen3 is having a different problem. He is burning oil at an alarming rate. 1 quart for 4 hours of driving. And coolant at the same rate about. I think his might be a gasket or a piston ring problem. That would explain the caramel for him...
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