my oil smells like it has gasoline in it. what could be causing this? thanks in advance for the info

 

Hey man, I don't know all that much about engines, but all my life every time I change the oil in any of my cars, it always smells a little like gas. The funny thing is that I changed the oil in both my cars today (1989 GTA & 1997 Dodge Intrepid) and I was wondering the same thing. Even though it always smells like this, I just wondered about it today.
Take care
Mike

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Gran Turismo Americano "The Ultimate Firebird"
Smokin 1989 GTA- Bone stock except for exhaust. (no catalytic-stainless pipe into Flowmaster 2 chamber) & AC Delco Rapid Fire Plugs

 

Mine never smelled like it in three other cars until I got the IROC, and when I had 2 Accel injectors dump a load into the engine while it sat it really smelled like it, and thinned Mobil 1 20W-50 down to where it was as thin as 0W-30. If it's strong and the oil is thinned out you need to change it ASAP and find out why. Gasoline is a solvent and not a good lubricant for bearings, etc. Could just be running too rich in your case.

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1990 IROC 350
Mods: Too busy trying to make it run right to mod it.
Airfoil, Dynomax cat-back, MSD coil, 180 t-stat, Bald Eagle tires,
Hypertech fan switch, Accel 23# injectors, Holley module, ported plenum,
Ported Daytona Yellow stock base, Moroso valve covers, other stuff,
Streetdampr, Ruger P95DC, hot wife, new oil filter, !cats, !TBC, !AIR.
18.0 @ 85MPH since I'm one big-a$$ MF
"It's better to have and not need than to need and not have."

 

leaking injectors or bad fuel pressure regulator, and i always wondered if maybe the rings could also be bad. my last car had that problem, smelling oil..

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- David
88' GTA 5.7L TPI MODS---> air foil, K&N, Shift Kit, 180* therm, TB bypass, Gutted CAT, Flowmaster 80 Series

http://www.geocities.com/david_angel_16

 

That happened to my L69 when my TPS went bad and ran the carb too rich. Not really a good thing. Presently the oil still smells faintly like fuel, but not nearly as strong and pungent as it was with an over-rich carb.


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D.R. Stevens
1984 Trans Am 305HO L69
all the usual external/free mods, original engine
1991 Firebird 305 L03
2 free mods and a K&N,
otherwise stock

 

Bad fuel pump, if it's a block-mounted carb pump...

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ICON Motorsports