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Old 07-27-2013, 12:54 PM   #1
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Sluggish when taking off and getting hot

Just finished replacing some seals on my lt1 and now when taking off it is pretty sluggish and it tries to get hot, also the exhausts smells bad, like a rotten smell, any ideas?! Help!!!
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Old 07-27-2013, 12:59 PM   #2
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Clogged catalytic converter.
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Old 07-27-2013, 01:34 PM   #3
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Clogged catalytic converter.
I agree with this^
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Old 07-27-2013, 01:49 PM   #4
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Clogged catalytic converter.
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I agree with this^
X3 .. Clogged catalytic converter makes the rotten egg smell.
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Old 07-27-2013, 01:51 PM   #5
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Would a clogged catalytic converter cause the engine temps to go up? Cause of the back pressure?
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Old 07-27-2013, 01:52 PM   #6
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Would a clogged catalytic converter cause the engine temps to go up? Cause of the back pressure?
Yes. ......
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Old 07-27-2013, 02:09 PM   #7
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IS there a way to clean them? or unclog it? My v6 does the similar things
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Old 07-27-2013, 02:13 PM   #8
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Replace it or gut it. When a converter clogs its done for.
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Old 07-27-2013, 03:16 PM   #9
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Quote:
Originally Posted by CWeeks View Post
Just finished replacing some seals on my lt1 and now when taking off it is pretty sluggish and it tries to get hot, also the exhausts smells bad, like a rotten smell, any ideas?! Help!!!
Was it doing this before you replaced the seals?
What seals did you replace?

Running too rich can also cause a rotten egg smell,
as will excessivley retarded timing.
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Old 07-28-2013, 12:16 AM   #10
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Timing cover seal, rear main, and oil pan seal, would retarded timing just cause the smell or all of the things I said?
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Old 07-28-2013, 11:11 AM   #11
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Timing cover seal, rear main, and oil pan seal, would retarded timing just cause the smell or all of the things I said?
Did you pull the opti to replace seals?
If so did you get the plug wires back on correctly?
Here's a diagram:
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Old 07-28-2013, 12:12 PM   #12
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My guess would be in getting to the timing cover seal when removing the water pump it got coolant on the opti. In that case the opti is probably done.
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