91 Firebird problems...

[Tyler N]

...again!?!?!? ok i have posted on here like 3 times with diffeent problems with my 91 Firebird 3.1l v6 basically about a week ago it sarted over heating it only has 80000 miles it always had a rough idle never stalled or failed tp start. now it wont start and 3 days before that it began stalling at red lights and stop signs, now when i try to start it rediculous amounts of oil prob 3 quarts worth begins to pour out of the back part of the engine and white smoke comes out of the exhaust. it just got towed today and was wondering what the labor charge and round about price it would be to fic the main head gasket, thats what i was told it might be but i dont think this could be the result of all the probems, the rough idle the stalling and over heating always had the rough idel for 2 years since ive had it, any help or advice on wether this could be all this is would be appreciated thanks in advance!!
and it was looked at by 4 different mechanics before i got it 2 years ago and nothing was found even though they did miss the fact that i had a baseball size hole in the fuel tank and the fact i am still only getting about 9 mi per gallon, and it just passed an inspection last month with nothing found at all with the car other than tires lol, cant see how this is possible!!! usually mechanics find anything possible wrong with the car but who knows how they can miss something like this, actually told me the car was in perfect condition considering it was kept in a garage for the past 6 years before i got it.

 

[BFH]

9.3 hours to do head gaskets, plus$100-$120 for pressure test and milling (at machine shop) and $150-$200 for parts and fluids.

So $882.40 - $952.40 at my shop.

 

[misskitti7®]

you head gasket has gone.

remove the plugs and look for signs of oil.

remove the oil filler cap and look for signs of water mixing and the end of the dip stick

regards x kitti x

 

[carguy_z28]

dropping oil like that you could have a cracked block...

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[Goatman]

Unfortunatly the 3.1 engine has some issues that can happen over a short period of time ...
the intake gaskets can fail which can quickly deteriate into a major problem and eventually cause catastrophic failure as you are experiancing
your best bet at this point would be to plan on replacing the engine with a long block engine assembly as your current engine probably has encured substantial damage making it Not worth repairing...