Gravelguy413 Posted July 11, 2022 Author Share Posted July 11, 2022 After looking at the intake gasket I see some oily residue on the bottom of the front and back ports. I guess these would obviously be boost leaks I take it? 1 Quote Link to comment https://www.bigmacktrucks.com/topic/70051-boost-q/page/2/#findComment-502778 Share on other sites More sharing options...
Joey Mack Posted July 11, 2022 Share Posted July 11, 2022 yes, can you spray it with soapy water and look for bubbles? Quote Link to comment https://www.bigmacktrucks.com/topic/70051-boost-q/page/2/#findComment-502782 Share on other sites More sharing options...
Gravelguy413 Posted July 11, 2022 Author Share Posted July 11, 2022 Great idea will do that tomorrow. Probably time to change that gasket. Quote Link to comment https://www.bigmacktrucks.com/topic/70051-boost-q/page/2/#findComment-502824 Share on other sites More sharing options...
mrsmackpaul Posted July 12, 2022 Share Posted July 12, 2022 Were did the oil come from on, if it's the inlet side shouldnt it be only air Or is there something else feeding into the inlet were oil can come from ? Paul Quote Link to comment https://www.bigmacktrucks.com/topic/70051-boost-q/page/2/#findComment-502832 Share on other sites More sharing options...
Joey Mack Posted July 12, 2022 Share Posted July 12, 2022 air compressor... what sez u. Paul? jojo 1 Quote Link to comment https://www.bigmacktrucks.com/topic/70051-boost-q/page/2/#findComment-502833 Share on other sites More sharing options...
mrsmackpaul Posted July 12, 2022 Share Posted July 12, 2022 Sounds fine but I would think any oil from the compressor should be getting sucked into the compressor and it would be before the turbo no after it Just wondering what can cause oil to collect in the inlet manifold, if it was a petrol car it would be coming from the rocker cover EGR valve but I have never seen anything like this on one of these motors Makes me wonder if something else is going on for the oil to be there Was any oil in the charge cooler pipes ? Perhaps the oil is from elsewhere, but where Paul Quote Link to comment https://www.bigmacktrucks.com/topic/70051-boost-q/page/2/#findComment-502839 Share on other sites More sharing options...
Gravelguy413 Posted July 12, 2022 Author Share Posted July 12, 2022 CAC pipes were clean. This engine does consume oil and has a fair amount of blow by from draft tube. Sometimes it uses a significant amount and other times it uses next to none given the same amount of use. A few times the oil has dripped out the exhaust side of the turbo, what some refer to as “wet stacking”. I took turbo to turbo shop they said it was fine. Looking into exhaust ports seemed a bit damp in there. I am starting to suspect worn valve guides or bad valve seals. Sometimes truck exhaust has a blue haze other times it burns clean. One of the heads has a Remack sticker not sure if other one was replaced or not. Prob should have the heads looked at. Quote Link to comment https://www.bigmacktrucks.com/topic/70051-boost-q/page/2/#findComment-502859 Share on other sites More sharing options...
Joey Mack Posted July 12, 2022 Share Posted July 12, 2022 valve guides and seals sounds good, along worn rings and cylinders. once you get the heads off, I bet you just go ahead and re-build it.. good luck, jojo 1 Quote Link to comment https://www.bigmacktrucks.com/topic/70051-boost-q/page/2/#findComment-502868 Share on other sites More sharing options...
JoeH Posted July 12, 2022 Share Posted July 12, 2022 Dumb question, what's the condition of your air filter? Clogged filter can cause a bit of oil sucking in weird places.... Quote Link to comment https://www.bigmacktrucks.com/topic/70051-boost-q/page/2/#findComment-502894 Share on other sites More sharing options...
mrsmackpaul Posted July 12, 2022 Share Posted July 12, 2022 Sounds like it is glazed up, handful of naphthalene in the intake is reported to solve this problem I have never tried this but have heard plenty of blokes mention such things Paul Quote Link to comment https://www.bigmacktrucks.com/topic/70051-boost-q/page/2/#findComment-502907 Share on other sites More sharing options...
Gravelguy413 Posted July 15, 2022 Author Share Posted July 15, 2022 Air filter fine. I hear ya on that Quote Link to comment https://www.bigmacktrucks.com/topic/70051-boost-q/page/2/#findComment-503162 Share on other sites More sharing options...
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