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Confused about Smog pump and cats

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Old 03-10-2007, 10:55 AM
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Bwebb Stang
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Default Confused about Smog pump and cats

Ok so i have heard two different stories: I have heard that in order to take out your smog pump you have to first remove your cats, and just recently i heard that's not true you can just take the smog pump out and it wont' make a difference on the cats.? WHich one is true
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Old 03-10-2007, 10:57 AM
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AdderMk2
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Default RE: Confused about Smog pump and cats

leaving the cats in with no smog pump can cause them to clog and choke your exhaust system..

If you remove your cats, you should remve the smog pump, because its no longer doing its designed job.
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Old 03-10-2007, 11:00 AM
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Bwebb Stang
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Default RE: Confused about Smog pump and cats

ok thanks thats what i was looking for.
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Old 03-10-2007, 04:41 PM
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86 5.0L
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Default RE: Confused about Smog pump and cats

+1 to what adder said

lol, check this out

https://mustangforums.com/m_2841225/...tm.htm#2841225
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Old 03-10-2007, 06:34 PM
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BackInBlack90LX
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Default RE: Confused about Smog pump and cats

wait dont want to jack this thread but since u already answered his question maybe u can answer mine since i now have an o/r x pipe i should remove my smog pump also i mean am i going to ruin the pump if i leave it on
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Old 03-10-2007, 09:54 PM
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BackInBlack90LX
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Default RE: Confused about Smog pump and cats

so i guess im ok about this ^^^
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Old 03-11-2007, 12:55 AM
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vristang
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Default RE: Confused about Smog pump and cats

Without cats on the car, you have no need for the pump...

You can pull it and decrease the drag on the crank.


jason
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