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Wales
by Joske Vermeule, September 1
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Jun 14th, 2026
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Joined: Nov 2014
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Bimini top
to avoid exhaust odor in the car with the bimini top i made a exhaust tip with the end welded shut down and cut a opening at the underside…. test will be for as soon it doesn't rain…. so not yet tomorrow …  
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Joined: Dec 2009
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Tricky Dicky Member of the Inner Circle
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Tricky Dicky Member of the Inner Circle
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A good idea I hope it solves your problem.
2009 4/4 Sport Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Con Green +8 prev
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thanks Richard . Must find out.... o well, it didn't cost a fortune for a test...
2004 GTN #5 sold
1989 Plus 4
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Talk Morgan Guru
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Talk Morgan Guru
Joined: Nov 2011
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Interesting. Look forward to the test result....
A Morgan Identified Fastidious Owner...
2011 4/4 Bespoke, 1981 Delorean, Auburn Boat Tail
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Talk Morgan Addict
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Talk Morgan Addict
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Probably a turbulence thing from the rear wheels occurring, with the fumes from the exhaust being pulled back by negative pressure in the wheel well, as our noses sit relatively close to the wheels hence the pong.
What type of wheels do you have?
If you can borrow another style see if the issue alters.
IE go from wires to alloys and visa versa.
Mark - No Longer driving Archie the Old English Sheep Mog........... 2010 Roadster 3.0 V6 (S3) 
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Good idea Mark , i have wires now….
but i suspect a negative pressure zone due the bimini top without a rear window…. i once had a '70 Corvette ( T top targa) on which the rear window could be removed. Later years they made it fix due problems with exhaust gases in the car … could be the same problem here.
With the door windows on it's even worse…. as expected.
2004 GTN #5 sold
1989 Plus 4
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Ok, tested today…. it's much more better but with side windows there's still some exhaust smell... without it's OK . Ofcourse , when one is concentrating on odor , you always smell something... so , problem not 100 % solved. O well, no big deal , keeps us thinking...
2004 GTN #5 sold
1989 Plus 4
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Tricky Dicky Member of the Inner Circle
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Tricky Dicky Member of the Inner Circle
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That's good you're getting there.
2009 4/4 Sport Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Con Green +8 prev
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Talk Morgan Regular
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Talk Morgan Regular
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Try simply making the exhaust a little longer -- 3 inches should do it. Worked for me.
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thanks griffo .… but the exhaust was already "long" … sticking out as far as the overriders in the back. It looked already to long.
2004 GTN #5 sold
1989 Plus 4
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