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Old 02-17-2010, 04:23 PM   #1
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Default Car smells like lawn mower

I'm running a 3" catless exhaust with 460's and a ms. It has been like this ever since I went turbo and put a 3" catless exhaust on it. After pulling the car into the garage, it smells like I just ran the lawn mower. I'm losing no oil or coolant and the car isn't really smoking. Is this just a custom turbo kit thing or what?
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Old 02-17-2010, 04:24 PM   #2
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I bet you have an exhaust leak somewhere.
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Old 02-17-2010, 04:24 PM   #3
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Quote:
Originally Posted by Turbo_4 View Post
I'm running a 3" catless exhaust
Catless

Edit: tuning fuel can make the smell go away.
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Old 02-17-2010, 04:25 PM   #4
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Preturbo?
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Old 02-17-2010, 04:55 PM   #5
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have you checked for grass clippings?
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Old 02-17-2010, 05:06 PM   #6
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Looks like a couple weeds got stuck in there.
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Old 02-17-2010, 05:38 PM   #7
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Stop giving rides to landscapers.
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Old 02-17-2010, 05:42 PM   #8
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Let the car cool down well and then put it up and start it. Carefully holld your hand around all the joints and welds on your exhuast. Radiator fans make this pointess up front, so disconnect it.

Catless will cause a smell sometimes, but its usually not too bad. Do your AFRs on the AEM WB cycle around stoich 14.7:1 nicely at idle or do they stay low or high or otherwise act oddly? I am not familiar with MS yet, but do you have any way of looking at LTFT data?
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Old 02-17-2010, 09:02 PM   #9
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I found a leak were my begi downpipe connects, that slip on flange. I need to find a way to seal it up.
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Old 02-17-2010, 09:05 PM   #10
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Weld that bitch!
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Old 02-17-2010, 10:12 PM   #11
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It's your upper lip.
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Old 02-17-2010, 10:52 PM   #12
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Quote:
Originally Posted by Turbo_4 View Post
I found a leak were my begi downpipe connects, that slip on flange. I need to find a way to seal it up.
Have you considered a wrench?
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Old 02-17-2010, 11:03 PM   #13
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I have a post somewhere on my fix for this...search username and summit, or jegs...anyways get the clamp from them.
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Old 02-17-2010, 11:50 PM   #14
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Quote:
Originally Posted by hustler View Post
Have you considered a wrench?
My begi was a fucked up version and hits the frame, there is no way in hell that bolt system will work. I had the nut cut off to keep it from contacting the frame anymore.
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Old 02-17-2010, 11:57 PM   #15
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I have a u-clamp on it but it still leaks...not really wanting to weld it.
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Old 02-17-2010, 11:58 PM   #16
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Drive to Wylie and get Abe/ARTech to do it right.
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Old 02-17-2010, 11:59 PM   #17
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Whenever friends follow me somewhere they comment on how my car smells like a lawnmower. It's catless. But I never smell it inside the car.
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Old 02-18-2010, 12:49 AM   #18
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Yeah, the inside doesn't smell like it, neither does the car while idling...just the garage later.
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Old 02-18-2010, 08:31 AM   #19
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Quote:
Originally Posted by Turbo_4 View Post
I have a u-clamp on it but it still leaks...not really wanting to weld it.
It's not a U-clamp...some kind of two ID band thing...forgot what it's called. It works though, haven't touched it in a year after having the bottom half of my downpipe fall off three times while practice buttsexing.
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Old 02-18-2010, 11:15 AM   #20
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