Hurting cats?
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Joined: Oct 2006
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Hurting cats?
Now, I've heard that running 110 octane will hurt your cats, but does this mean it will clog them, or mean they will flow free-er? No need to worry about emissions, just looking to free up some HP.
More Turbo
Joined: Apr 2004
Posts: 736
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From: South East, Michigan
I believe the real concern there is that 110 octane fuel usually has lead in it and that will plug your cats and make them more restrictive. Not to mention the lead will destroy your O2 sensors as well. You can get 110 octane "unleaded' fuel at some race tracks for your application. -Ed
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