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  #1  
Old 01-09-2004, 10:58 AM
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Question Question re: 4.5 exhaust system

I am just curious......is there any exhaust crossover inside the muffler and/or resonator for the V8's? Or are they discrete pipes inside?

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Old 01-09-2004, 02:37 PM
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Dual pipe, single mufflers, so I guess that counts as a crossover, eh?

Probably simply slotted or perforated pipes inside the can, looks to be as if the pipes go straight through.

Peter
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Old 01-09-2004, 03:39 PM
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That wat I was wondering. If no baffle between the pipes then I would consider that the crossover. The reason behind my thought was that if there was no crossover then each pipe would be discrete for each bank and obseving the tail pipe soot deposit would help evaluate rich/lean conditions caused by injectors.
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Litton
'90 420 SEL (sold)
'72 280 SEL 4.5
'98 ML320 (for sale)
'86 560SL
'05 Jeep Grand Cherokee Ltd (offroad in style)
'87 Chevy Blazer (AZ Pin Strips)
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  #4  
Old 01-09-2004, 06:47 PM
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Pull the plugs to check for single injector problems. Exhaust pipe is only going to help for overall mixture.

Peter

__________________
1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!
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