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Ory on 94 lt1

This is a discussion on Ory on 94 lt1 within the External Engine forums, part of the LSx Technical Help Section category; Would an ory fit on a 94 lt1? If not what modifications would i have to make to get one ...

  1. #1
    Ryan RByers91's Avatar
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    Ory on 94 lt1

    Would an ory fit on a 94 lt1? If not what modifications would i have to make to get one to fit? Thanks for any info.

    -Ryan
    Last edited by RByers91; 12-13-2008 at 01:31 PM.
    MTI Lid, Corsa Catback Exhaust, Kooks Stainless Steel Headers, Kooks Y-Pipe w/Magnaflow Cats, Pro 5.0 Shifter, T56 Short Stick, SPEC Stage 2+, RAM Billet Aluminum Flywheel, Strano Lowering Springs, Koni 4/4 Shock Set, Strano Swaybar Set 35/22, Moser 9" Rear End, and a Tune.

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    Kenne-Bell Killer Cayenne97's Avatar
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    What brand/type y-pipe for a '94?

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    Ryan RByers91's Avatar
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    Pacesetter? Maybe the Kooks w/ cats?
    Last edited by RByers91; 12-13-2008 at 09:05 PM.

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    Kenne-Bell Killer Cayenne97's Avatar
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    I don't think either Kooks or Pacesetter offer a direct replacement y for stock manifolds. Give MAC a call for that. They have a y-pipe that will swap right with the stock piece.

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    Ryan RByers91's Avatar
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    What if i wanted to turn it into a dual cat? Is there a direct fit for that?

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    Kenne-Bell Killer Cayenne97's Avatar
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    Why would you wan't a dual cat y? The one for your application is fine.

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    Ryan RByers91's Avatar
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    Well i noticed that there were different applications for dual cat lt1's and single cat lt1's. Also that there was a little power gain from the dual cat setups. So wouldn't it necessarily be better? If not, then forget it lol.

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    Member side2000's Avatar
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    well, my guess is that the ratings are +stock rating. the cars w/ dual cats will see more horse on their application cuz they are already a little more restrictive.

    -example for clarity: AFR heads for a TPI advertise up to 80 horse, and AFR's LS1 heads advertise only 40 horse. . .it doesn't mean the tpi will have more horse than the ls1 after head swap, just a testament of how lame the tpi heads flow stock.

    so the ultimate power gains from the different cat setups is prob the same or similar with either, but 2 cats generally restrict worse than 1.

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    Kenne-Bell Killer Cayenne97's Avatar
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    Quote Originally Posted by RByers91 View Post
    Well i noticed that there were different applications for dual cat lt1's and single cat lt1's. Also that there was a little power gain from the dual cat setups. So wouldn't it necessarily be better? If not, then forget it lol.
    The correct application for '94 is single-cat. '96 & up cars show minimal gains (if any, since the increase has never really been concrete) over a single setup. Ideally you don't wan't any cat(s) anyway.

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    Ryan RByers91's Avatar
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    Yeah, i could go no cats, rather not though. That MAC y-pipe, does it bolt on to the stock cat? Do you recommend getting a high flow cat to replace it?

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    Kenne-Bell Killer Cayenne97's Avatar
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    Yes it will bolt directly to the stock cat. If you have to run a cat then i'd prefer one from Random Technology.

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    Ryan RByers91's Avatar
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    Would the random tech cat that fits on the stock y fit on the mac y? And would this fit with pacesetter lt headers?

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    Kenne-Bell Killer Cayenne97's Avatar
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    Quote Originally Posted by RByers91 View Post
    Would the random tech cat that fits on the stock y fit on the mac y? And would this fit with pacesetter lt headers?
    Yes to both questions.

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    Ryan RByers91's Avatar
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    Awsome. So pacesetter lt's, random tech cats, mac y, and a catback. Sounds like a plan to me. Thanks for all the help. Any idea what the gain might be with all that? With a tune of course.

    Also, for the catback, would i have to chose from the single cat exhausts?

    I'm worried about the raspyness of the exhaust. Hopefully keeping the cat will help that a little. Any opinion on that?
    Last edited by RByers91; 12-15-2008 at 07:10 PM.

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    Kenne-Bell Killer Cayenne97's Avatar
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    Wait, let me back up a little bit. Do you already have the Pacesetter LT's and just no y-pipe? If you don't have them already then it would make sense to get the headers/y together. As for gains expect around 20rw.

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    Ryan RByers91's Avatar
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    No, dont have anything yet. Just want to make sure everything would fit before i put it all together. As for the catback, will i need to get the single cat catback?

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