LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Gas mixing with oil

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Old Oct 3, 2008 | 03:10 PM
  #1  
95ltslow's Avatar
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Gas mixing with oil

I was driving around and noticed my oil pressure was pretty low 5-10psi. LImped it home drained the oil and it was coming out not looking like oil. Wasnt milky but smelled like gas. Changed the oil. Initial start up oil psi looked good then after maybe 5 mins of ideling noticed the oil psi dropped then the car suddenly stalled and wouldnt start back up. And thats where its been sitting for a few days. I ohm'd all the injs. they were all between 12.1-12.4. Factory specs them at 11-14. I also checked the plugs which had some carbon build up on all of them but no gas. Knowing that all the injectors were within specs and pretty close to each other would pulling the rail with the injs prove to do anything?

I've also had my head gasket done along with a cc502, s/a 1.6rr's push rods etc. From what im told by the machine shop the usualy amount they taked off heads is around 2 thousands. They had to take 8-9 thousands off mine. Any ideas?
Old Oct 3, 2008 | 04:29 PM
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Your heads was warped is why they had to take off more. As for gas in oil, maybe your rings are bad? Kind of a blind topic for me, just some ideas.
Old Oct 3, 2008 | 04:38 PM
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From: PORTLAND, OR, MULTNOMAH
Boogered FPR?
Old Oct 3, 2008 | 05:02 PM
  #4  
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Pull the vac hose off the FPR, if there is gas present in it that's your problem. If not then take your rail off turn the key to on but not over and look for leaking injectors. Also no mention of a tune with that cam swap?
Old Oct 3, 2008 | 05:32 PM
  #5  
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From: Jackstandican
You need to fix that lickety split or your cylinders will become washed out (if they aren't already).
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