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Comp cam XFI lobes vs btr, tsp, etc.

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Old 11-27-2017, 03:00 PM
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Originally Posted by RPMSpeed Tech
Convert to non vvt. Youll be quite a bit happier.
Stock pushrods?
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Old 11-27-2017, 03:08 PM
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They will work with stockers BUT id recommend at least our heavy duty 7.400 pushrods they are $65 shipped right now. (Today only)
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Old 11-28-2017, 08:25 AM
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Originally Posted by RPMSpeed Tech
The high lift truck stg 2 and 3 should pass smog with 0 issue. lift does not effect emissions or overlap etc. It will make more power literally with 0 ill effects.
so basically, moderate bolt-on mods will not affect emission/smog output so headers and cat-back shouldn't either. I suppose the only certainty would be if removing the cat' converters then?
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Old 11-28-2017, 12:30 PM
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Originally Posted by Chubbs878
so basically, moderate bolt-on mods will not affect emission/smog output so headers and cat-back shouldn't either. I suppose the only certainty would be if removing the cat' converters then?
Some states will have a visual inspection also and afaik headers (long tubes) wont pass but stories with carb sticker will.
Its basically all in the tune really and overall upkeep/condition of the vehicle.
Most bolt ons, properly tuned, wont affect emissions at all. Cams, you've gotta be a little more picky, but staying small or mild is a good bet itll pass.
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