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Header Ingredients??

This is a discussion on Header Ingredients?? within the External Engine forums, part of the LSx Technical Help Section category; I'm in the process of ordering headers for my car. I've narrowed it down to a set of pacesetters. Do ...

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    Member Speed_kills_WS6's Avatar
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    Header Ingredients??

    I'm in the process of ordering headers for my car. I've narrowed it down to a set of pacesetters. Do I need a y-pipe as well?? Will I need to buy new converters, use the stock ones, or do away with them period??? Are these the best bang for the buck? A tune will come in the near future, however it'll be a couple months or so. What do I expect till then?

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    cutting and welding mark21742's Avatar
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    hugger orange
    2004

    I have pacesetter lt's on my goat and love them. if you don't need to pass a visual emmissions inspection get an off road Y pipe and when you get your tune have the rear o2s turned off, if you do need to a visual check get a catted Y pipe.
    I'm tagged in maryland and just passed emissions two months ago with just my headers and dual strait pipe..... I evrn forgot .y rear o2s were cut and laying in the centerconsole cup holder lmao flew strait through and passed flawlessly.
    good luck man, either way you ll love it

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    99 Z28

    Get an ORY I have pacesetters and ORY haven't got a tune yet my car is running real rich I'm waiting on the shop I use to get their chassis dyno next week
    Last edited by BMJ99Z28; 07-11-2008 at 12:09 PM.

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    Formulatastic yellowv's Avatar
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    I have been running my LT's and ORY for about 33,000 miles or more with no tune. Runs a little rich, but still runs strong and gets about 26-27mpg highway. I changed the plugs a couple of thousand miles ago with about 30,000 on them and they looked great still.

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    Senior Member 01ws6er's Avatar
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    Quote Originally Posted by yellowv View Post
    I have been running my LT's and ORY for about 33,000 miles or more with no tune. Runs a little rich, but still runs strong and gets about 26-27mpg highway. I changed the plugs a couple of thousand miles ago with about 30,000 on them and they looked great still.
    I'm goin on 2,500 miles with stock tune and mine acts up from time to time. Like I'll be sitting at a light and the rpms will either jmp up or dwon for a few seconds...

    I was at MUCH higher elevation last weekend and I noticed that when shifting, I would pres in the clutch and the rpms would just stay there for a second and then come down to where they needed to be lol (I know a tune at my altitude wouldn't have made a difference but still).

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    Member Speed_kills_WS6's Avatar
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    Without the converters, my SES light will constantly be on tho, right? I assume the headers will have a place for the front O2 sensors?

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    Formulatastic yellowv's Avatar
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    Yeah. I have had my SES light on for a year and a half now.

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    cutting and welding mark21742's Avatar
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    hugger orange
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    Quote Originally Posted by Speed_kills_WS6 View Post
    Without the converters, my SES light will constantly be on tho, right? I assume the headers will have a place for the front O2 sensors?
    yeah, you will need to get your rear o2s tuned out to get rid of the ses light

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