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#1 (permalink) Old 02-07-2005, 07:51 PM
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I have a 1985 528 rebuilt motor from the bottom up. the thing runs great ,but I have a problem with the exhaust Y pipe overheating below the O2 sensor.The thing turns cherry red. used
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#2 (permalink) Old 02-07-2005, 10:38 PM
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I dont know what u mean by y-pipe but depending on where youre describing you may have either a plugged catalytic converter or a fuel mixture problem...or even both.

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#3 (permalink) Old 02-08-2005, 07:54 PM
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Quote:
Originally posted by whyme@Feb 7 2005, 06:51 PM
I have a 1985 528 rebuilt motor from the bottom up. the thing runs great ,but I have a problem with the exhaust Y pipe overheating below the O2 sensor.The thing turns cherry red. used
[snapback]287578[/snapback]
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#4 (permalink) Old 02-08-2005, 08:10 PM
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Quote:
Originally posted by whyme+Feb 8 2005, 06:54 PM--><div class='quotetop'>QUOTE(whyme @ Feb 8 2005, 06:54 PM)</div><div class='quotemain'><!--QuoteBegin-whyme@Feb 7 2005, 06:51 PM
I have a 1985 528 rebuilt motor from the bottom up. the thing runs great ,but I have a problem with the exhaust Y pipe overheating below the O2 sensor.The thing turns cherry red. used
[snapback]287578[/snapback]
[snapback]288148[/snapback]
[/b][/quote]
I am referring to the point at which the two pipes from each individual manifold intersect to create one exhaust pipe creating what appears to be a Y.Thanks for the input and you are on the money,the problem was in the fuel mixture.running great now thanks again.
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#5 (permalink) Old 02-09-2005, 02:05 AM
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Quote:
Originally posted by whyme+Feb 8 2005, 05:10 PM--><div class='quotetop'>QUOTE(whyme @ Feb 8 2005, 05:10 PM)</div><div class='quotemain'>
Quote:
Originally posted by whyme@Feb 8 2005, 06:54 PM
<!--QuoteBegin-whyme
Quote:
@Feb 7 2005, 06:51 PM
I have a 1985 528 rebuilt motor from the bottom up. the thing runs great ,but I have a problem with the exhaust Y pipe overheating below the O2 sensor.The thing turns cherry red. used
[snapback]287578[/snapback]

[snapback]288148[/snapback]
I am referring to the point at which the two pipes from each individual manifold intersect to create one exhaust pipe creating what appears to be a Y.Thanks for the input and you are on the money,the problem was in the fuel mixture.running great now thanks again.
[snapback]288162[/snapback]
[/b][/quote]


Glad to hear its fixed, congrats.

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#6 (permalink) Old 02-09-2005, 09:11 AM
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I replace the cluth on a v8 mustang and by accident disconected the vacum hose to the map sensor causing the engine to run a very rich mixture and created the same problem you have.check all you fuel syatem conection.
sorry about the spelling..........My main language is french.
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#7 (permalink) Old 02-09-2005, 09:49 AM
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Quote:
Originally posted by GILLES@Feb 9 2005, 09:11 AM
ghead
I replace the cluth on a v8 mustang and by accident disconected the vacum hose to the map sensor causing the engine to run a very rich mixture and created the same problem you have.check all you fuel syatem conection.
sorry about the spelling..........My main language is french.
[snapback]288425[/snapback]
Non taken we do appreciate your input........
biilb
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