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do i need a tune after header and ory is installed

This is a discussion on do i need a tune after header and ory is installed within the External Engine forums, part of the LSx Technical Help Section category; i am very new with ls1s will i need to get a tune if i put headers and a ory ...

  1. #1
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    do i need a tune after header and ory is installed

    i am very new with ls1s will i need to get a tune if i put headers and a ory pipe on my 98 z28

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    Member DaddySS's Avatar
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    Quote Originally Posted by cheeseburger View Post
    i am very new with ls1s will i need to get a tune if i put headers and a ory pipe on my 98 z28
    Yes, you will want a tune. Modify the VE and timing tables to take advantage of the new flow and tune out the rear 02 sensors.

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    Senior Member INMY01TA's Avatar
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    Not necesary but wouldn't hurt. If you plan on swapping the cam in the nearby future I'd wait. If this is your last performance mod for a while may want to do it now. Most tuners charge the big hit ($300-$500) initially for the access to their software. Future tunes usually they just charge for the dyno time. (prolly $100 per hour)

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