oil coming from exhaust?

langley · 01-17-2002, 12:09 AM

my sister bought a 91 t-bird 5.0L last year and now it is spraying light amounts of oil out of the exhaust and when she went to fill the oil up she took of the filler cap and there was smoke coming from inside.Does anyone know what is wrong, can someone help me please[i think the engine might have to rebuilt]

exgmguy · 01-17-2002, 08:30 PM

This is in the wrong forum, but the problem looks like blow-by.

Worn piston rings allow oil to burn, and a loss of compression right into the crankcase. That is the oily smoke from the oil filler.

6T9PONY · 01-18-2002, 02:17 AM

My Nissan has the same problem with it's Z24 engine.....but that's pry expected with 185,000 ticks on her....and running with about 1 quart of oil 2 different times for 2 or 3 days each time.

01-17-2002, 12:09 AM	#1
langley Registered Member Join Date: Oct 2001 Location: langley.british columbia,canada Posts: 63	oil coming from exhaust? my sister bought a 91 t-bird 5.0L last year and now it is spraying light amounts of oil out of the exhaust and when she went to fill the oil up she took of the filler cap and there was smoke coming from inside.Does anyone know what is wrong, can someone help me please[i think the engine might have to rebuilt] __________________ 1990 lx coupe-AOD,15inch drag lites,3inch cowl hood,blue with blue ghost flames,Autometer monster tach,oil pressure and water temp sport comp guages,polished stock valve covers,MSD blaster coil,Ford motorsport underdrive pulleys,Johnson strut tower brace,Johnson G-load brace,hooker super comp headers,2-chamber flowmaster and flowmaster h-pipe 2 1/2,4:10 richmond gears,B&M stage 2 shift kit,bbk 70mm throttle body,73mm mas air sensor,holley systemax 2 intake,bbk cold air intake[fenderwell],frpp wires,crane 1.7 gold roleer rockers,crane e303 cam,hight flow water pump,heavy duty 4 core rad

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01-17-2002, 08:30 PM	#2
exgmguy Registered Member Join Date: Feb 1999 Location: Utica, Michigan Posts: 2,631	This is in the wrong forum, but the problem looks like blow-by. Worn piston rings allow oil to burn, and a loss of compression right into the crankcase. That is the oily smoke from the oil filler.

01-18-2002, 02:17 AM	#3
6T9PONY All about the Windsor. Join Date: Feb 2000 Posts: 2,052	My Nissan has the same problem with it's Z24 engine.....but that's pry expected with 185,000 ticks on her....and running with about 1 quart of oil 2 different times for 2 or 3 days each time.