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I read the previous posts on this and there was someone trying some customized tip lengths and shapes to help solve the exhaust fume problem.
I'd like to know what results he got if he's still around here and can post them.
I've go a 73 240 I've had since '76. Its always had an exhaust fume issue with the window(s) down. Since here in Texas we usually always have the AC on its really not much an issue. However, lately the ac is on the fritz and besides it sure would be nice to have a breeze and not be smoked out.
The exhaust is an old turbo flow 2.5" from Motosport a long time ago. Basically a big muffler on the end. It has held up remarkably well. I should say that I've also had Monza and stock exhausts and they had the same fume problem.
I can't find any obvious gasket voids. My most recent effort to fix it involved caulking around the fuel tank downspout on the rear back corner as it comes into and out of the car on the way to the fuel tank. There was quite a bit of light showing thru there. Everthing else from tailights, hatch, hatch gaskets seem to be in good order. Not new but not rotten either. That helped some but I still smell it with the window open.
I have never tried the tailpipe extension trick so I'm about ready to try that. At the moment the tip goes about 2" beyond the tiny rear bumper. I've noticed some vehicles with exhausts that come straight out then curve down so that the exhaust tip is perpendicular to the air flow of the vehicle. So I was wondering what if any experience have people had with the curved tailpipe extension and direction change. Curved down or curved to the side. You could make it go either way. And suggestions on max length to start with would be appreciated.
I suppose someplace like a generic muffler shop would be the best place to get something bent like this. I know it won't look cool but I'll try to fix that later after I can breathe while I drive.:sleepy:
The AC needs a new idler pulley and that is in the works.
tks
Don
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