1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Gas in my oil, lots of it

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Old 03-22-07, 05:31 PM
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Gas in my oil, lots of it

I baught another rx7 a little while back and the owner said it didnt run and he didnt know what the problem was. I started it up and it ran, only when i mashed the gas and held it to the floor, even then it didnt want to get past 4 thousand rpms. The car blew alot of gas smelling smoke and after a while of running the car i noticed some gas and oil on the ground. SO i shut it off and checked the dipstick, it was covered with fuel soaked oil. On a piston engine that would mean that your headgasket has gone or your intake manifold gasket. I have no idea how that gas got into the oil on the rotary? Bad apex seals?
Old 03-22-07, 05:59 PM
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I've seen this before.....cant seem to remember what caused it but I'm sure it wasnt the Apex seals.
Old 03-22-07, 06:22 PM
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Severe flooding is about the only way to get fuel into the oil. Fuel can leak past the oil control seals far easier than oil can. Change the oil, before running it any longer. Oil diluted with gas will wash the bearings out, in a hurry.
Old 03-22-07, 11:56 PM
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so in other words. Change the carb and give another shot. Il try it out. I figured this was the original problem with the car but i didnt want to tell the original owner this. Thanks, il try it out.
Old 03-23-07, 12:13 AM
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Originally Posted by chedda_j
so in other words. Change the carb and give another shot. Il try it out. I figured this was the original problem with the car but i didnt want to tell the original owner this. Thanks, il try it out.
..Chedda..Don't Forget to Change the OIL and Filter Too!..lol!
Old 03-23-07, 03:04 AM
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Yep, flooding will do that. As to why it's not running correctly now, probably a carb issue (duh)...
Old 03-26-07, 08:33 PM
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hahaha thanks
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