LT1-LT4 Modifications 1993-97 Gen II Small Block V8

pacesetter question

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Old Jul 11, 2007 | 09:55 PM
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Well I finally got tired of trying to get my edelbrock shorties to seal at the head and decided to buy a set of Pacesetter LTs w/ ORY. 1st question: The y pipe is set up for a slip fit connection but my original y and exhaust had a flange type connector. Any recommendations on how to connect the 2. Is there a setup that I can buy to avoid cutting? Or am I better off cutting the flange at the edge. Anyone else ran into this? Secondly, I have a pcmforless tune, but it was set up for the shorties, will I be ok running the car with the LTs? I don't want to send the computer back out since I plan on putting gears in the car and will have to send it out then. Thanks
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Old Jul 11, 2007 | 11:14 PM
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I'm not exactly clear on what your asking in the first the question...
The PS LT's are slip on at the collector for the PS y pipe then the other end of the y pipe can be used as either a slip-on or they send you a flanged adapter for a catback system that requires it.

As far as the tune I think you will fine. I had my comp tuned for LT's before I even installed them and the car ran fine.
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Old Jul 12, 2007 | 01:10 AM
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I see the word "ORY" all the time but don't have a clue what it means??
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Old Jul 12, 2007 | 02:04 AM
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ORY means off road y-pipe. Meaning not for street use because it doesn't have a cat.
Your going to have to cut the flange off your catback if that's what your talking about. Depending on what the catback is, you going to need some custom fabricating.
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Old Jul 12, 2007 | 05:46 AM
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Or you could see if someone will make you a new "slip" tube with a flange on it. But that's kind of the hard way. Then again, if you can weld, and have access to a welder, then it wouldn't be all that bad.
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Old Jul 12, 2007 | 03:22 PM
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Thanks, kinda figure that I was going to have to cut it(the cat back) since I did ot receive any type of adapter with the pipe. It is the SLP exhaust that came on the Firehawks in 95.
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Old Jul 12, 2007 | 09:24 PM
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Thanks Ralls!!
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Old Jul 12, 2007 | 11:33 PM
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I don't know why I got one, hmm maybe the dealer messed up? Or maybe if you bought yours new ask Pacesetter about it because it is basically is a "slip tube" onto the y pipe so you can connect a flanged catback.
I would been happy to give mine to you unfortunately it got stolen (scrap metal bandits in A^2, MI... right under my nose too during the install)
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Old Jul 13, 2007 | 09:16 AM
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Originally Posted by 95hawk467
Well I finally got tired of trying to get my edelbrock shorties to seal at the head and decided to buy a set of Pacesetter LTs w/ ORY. 1st question: The y pipe is set up for a slip fit connection but my original y and exhaust had a flange type connector. Any recommendations on how to connect the 2. Is there a setup that I can buy to avoid cutting? Or am I better off cutting the flange at the edge. Anyone else ran into this? Secondly, I have a pcmforless tune, but it was set up for the shorties, will I be ok running the car with the LTs? I don't want to send the computer back out since I plan on putting gears in the car and will have to send it out then. Thanks
Ok- put on your pacesetters and " OFF ROAD Y", and then, Jegs sells Flowmaster ball & socket style flanges. they are like $57 for a box of 2.
I dont believe you will have a problem with changing the headers from the shorties. Also, I know PCMforless does great work, but I would really reccomend getting a dyno tune after you put your gears in. I recently dynotuned my car and you could see the generic programming that pcmforless did ( car ran ok on it but its just generic tuning, not engine specific), and from the pcmforlesstune to the dyno tune I picked up 37hp and 40lbft tq after the dyno tune.
I have one of those ball & socket flanges brand new if you would be interested in it. its for 3" pipe.
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Old Jul 14, 2007 | 09:15 AM
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Well, they are in and after doing some measuring, my question about the exhaust is non relevant. I have to do a lot of cutting, I did not realize where the Y pipe would end up. But thanks for everyones help, time to get cutting.
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