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Odor in my garage...
#1
I recently noticed that my 73 is emitting an exhaust-like smell long after the engine is shut down. I tried airing out the garage with a fan, but it's just as bad the next day after I close the garage for the night. No noticeable leaks under the car. Anyone have issues like this with your engine or exhaust systems? Huh
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#2
my brother has a 73' bug, and he is always complaning about that. he hates putting the car in the garage.


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Iyman
1972 Mustang convertible run_horse  
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#3
Imusa76: In your brothers case, it must be the Bug's smell of fear of the Mustang. LOL.

My Jeep kinda does the same thing. I think it's just inherent of the old cars. I would minimize the time the car spends in the garage while it's running (like I do with my Jeep). I usually just get it started and back out as quickly as possible while the Jeep warms up. Then sometimes, I'll actually shut off the Jeep and just coast in (no power brakes and standard transmission with a tennis ball hanging from the ceiling to touch the windshield when it's in all the way- no biggee). There have been times when the Jeep won't start, that I'll just put it in reverse and use the starter to 'back it out' so I won't load up the garage with exhaust fumes while trying to wake up the Jeep (again, standard transmission... no worries).

Eric

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#4
I think this may be something else...the smell will be strong the next day after I've let it air out for hours and with a fan blowing across it...
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#5
Lifizgud;104055 Wrote:I think this may be something else...the smell will be strong the next day after I've let it air out for hours and with a fan blowing across it...

Might try leaving the car out of the garage for a few days and make sure it's not something else (just in case).

Eric

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#6
Lifizgud;104045 Wrote:I recently noticed that my 73 is emitting an exhaust-like smell long after the engine is shut down. I tried airing out the garage with a fan, but it's just as bad the next day after I close the garage for the night. No noticeable leaks under the car. Anyone have issues like this with your engine or exhaust systems? Huh

Had a similar issue with an 1988 Toyota truck, turns out the exhaust was restricted (almost completely) replaced the dented exhaust pipe and the smell went away. Apparently the back up of exhaust/pressure into the engine was causing the smell???

Jim

M code 71 Mach 1, 351 4V Cleveland, Ram Air (not factory), C6 Trans, 3.5 rear
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#7
Jim and Jutta;104057 Wrote:
Lifizgud;104045 Wrote:I recently noticed that my 73 is emitting an exhaust-like smell long after the engine is shut down. I tried airing out the garage with a fan, but it's just as bad the next day after I close the garage for the night. No noticeable leaks under the car. Anyone have issues like this with your engine or exhaust systems? Huh

Had a similar issue with an 1988 Toyota truck, turns out the exhaust was restricted (almost completely) replaced the dented exhaust pipe and the smell went away. Apparently the back up of exhaust/pressure into the engine was causing the smell???

Did your truck run OK? The Mustang runs fine with no rough running or anything...
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#8
Idea
Lifizgud;104045 Wrote:look into all directions, possibly a combination of smaller problems, from carburetion......
I recently noticed that my 73 is emitting an exhaust-like smell long after the engine is shut down. I tried airing out the garage with a fan, but it's just as bad the next day after I close the garage for the night. No noticeable leaks under the car. Anyone have issues like this with your engine or exhaust systems? Huh

I had odor however found leaks minute but still from transmission, gas tank, and oil pan(leak). It had been with my car since I purchased it, oil pan leak might have been from pushing the car on a 1/4 mile run 57mph in 1st gear @ 7,200 rpm's. Engine is set up with hot peened solid lifters @ 9.5 compression although oilers were opened up in rebuild, ports bored out but the MSD rev limiter should have shut the engine down @ 6,500 rpm's. (for problem out of engine), pin hole in gas tank is enough to create fumes however not really noticeable by the layman. Looking at the drippings was more apparent from the transmission, harder to determine by looking at the puddle on the floor if it is only run as mine a total of 2,200 miles within period of 2003, then engine rebuild and w/in 500 miles the break in oil was changed(in 2010). It's all a combination of things to look at. Although might cost a pretty penny w/assessments from different mechanics that can look into it and pin point problems a lot quicker, even if you had your own lift.

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#9
Lifizgud;104059 Wrote:
Jim and Jutta;104057 Wrote:
Lifizgud;104045 Wrote:I recently noticed that my 73 is emitting an exhaust-like smell long after the engine is shut down. I tried airing out the garage with a fan, but it's just as bad the next day after I close the garage for the night. No noticeable leaks under the car. Anyone have issues like this with your engine or exhaust systems? Huh

Had a similar issue with an 1988 Toyota truck, turns out the exhaust was restricted (almost completely) replaced the dented exhaust pipe and the smell went away. Apparently the back up of exhaust/pressure into the engine was causing the smell???

Did your truck run OK? The Mustang runs fine with no rough running or anything...

It seemed to run fine to me, only a slight difference after replacing the restricted pipe, but of course it was only a 2.2 liter Toyota truck engine so it didn't need a lot of exhaust flow.

Jim

M code 71 Mach 1, 351 4V Cleveland, Ram Air (not factory), C6 Trans, 3.5 rear
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#10
Thanks! I'll start there and let you know. Any other ideas welcomed as well!
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