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Author
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Topic: what the hell is it !!!
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1997Snake
New Member
Member # 2755
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posted
 
 
How do you know when the timing is off. My cars exhaust seems to sound differently recently. When I am driving I get up to about five thousand in second, and when i let off the gas the xhaust makes real loud poppping noises, like its backfiring a bunch. Before it use to sound sweet as i let off the gas, real loud but smooth as it went down. Any ideas guys about this problem.Only has a bassani x-haust. Thanks for any insight.
Posts: 4 | From: NY | Registered: Apr 2003
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BlackNGold
CaliforniaFords.com
Moderator
Member # 655
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posted
Check for exhaust leaks, but it sound as if your timming is too advanced...
I take it you have a 97 Cobra/4.6 Modular motor..Do you have a timming adjuster?....If you do not have a timing adjuster and the only modification you have done is the X pipe then I would definately check for exhaust leaks...
Sometimes a diverter valve in your smog pump lines will leak and let air get into your exhaust and cause the popping sound also...
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-SLOWER TRAFFIC KEEP RIGHT-
Posts: 5132 | From: Bay Area, CA | Registered: Dec 2001
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stangin'
¯
Member # 514
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posted
if its an off road x-pipe then the popping is normal when you let off at high rpms. my cobra does the samething with the dr. gas x-pipe.
Posts: 2993 | From: Bay Area | Registered: Oct 2001
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1997Snake
New Member
Member # 2755
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posted
Thanks for the replies. No it doesnt have an x-pipe, just the bassani x-haust mufflers.
Posts: 4 | From: NY | Registered: Apr 2003
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