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Discussion Starter #1
I have a 85 model 6.9 can i take the smog pump belt off and make it run better or will it mess the motor up. thanks
 

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Super Moderator
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4,247 Posts
There is no smog pump on it.

Are you looking at the vacuum pump??? You NEED that.
 

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Senior Member
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164 Posts
If it looks like this,

It is your VAC pump and you do need it. It's hard to say if someone may have added something over the years.
 

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