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

Header install

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Old Oct 16, 2009 | 04:06 PM
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Default Header install

is it possible to install pacesetter long tubes in a garage with out a lift.

can you give me any tips, i read that they are a PITA to do

also what is a good y pipe, should i just go with the pacesetter y pipe as well?

95 camaro LT1

Last edited by Smoke Em; Oct 16, 2009 at 04:25 PM.
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Old Oct 16, 2009 | 04:07 PM
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Originally Posted by Smoke Em
is it possible to install pacesetter long tubes in a garage with out a lift.

can you give me any tips, i read that they are a PITA to do

also what is a good y pipe, should i just go with the pacesetter y pipe as well?
Yep sure can, i'll find you some links to read through. Pacesetters y-pipe works fine!
Basically the hard part is you remove your stock crap, takes a bit. Then you're gonna have to jack the car up very high to get enough clearance for the headers, thats where most go wrong and try to hammer them in from the top or start banging the frame. If the car is high enough, they'll slide right in.

http://www.lt1howto.com/articles/flpinstall.htm
http://www.go-fast.org/z28/headers.html

Last edited by chavez885; Oct 16, 2009 at 04:28 PM.
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Old Oct 16, 2009 | 04:25 PM
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is there anything i can do to keep the cats, so it will pass inspection?? i was thinking about doing an exhaust cut out but idk if it will help with inspection if i get the wrong place
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Old Oct 16, 2009 | 04:29 PM
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Originally Posted by Smoke Em
is there anything i can do to keep the cats, so it will pass inspection?? i was thinking about doing an exhaust cut out but idk if it will help with inspection if i get the wrong place
Is it visual only? If so yes, if its a sniffer test, you're f'd.
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Old Oct 16, 2009 | 04:44 PM
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sniffer test!!

what should i do about the egr and air,
if i remove them will they throw codes, and what about the o2s,

do the pacesetters have locations for the o2s??
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Old Oct 16, 2009 | 04:46 PM
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you will fail both visual and sniffer if you go with longtubes. If its just the sniffer you can put a cat in the y-pipe and then keep the egr and AIR. since pacesetters do come in both emission style and "race" style. You just buy some extensions for your o2's. they have bungs welded from the factory.


theres millions of threads on this subject. do a search
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Old Oct 16, 2009 | 04:50 PM
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i am looking to go with these LTs

http://www.summitracing.com/parts/PSM-70-2239/

and this Y,

http://www.summitracing.com/parts/PSM-82-1161/

how can i tell if i can keep the egr and air??
also how would i put the cat in, cut the y pipe??
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Old Oct 16, 2009 | 04:54 PM
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Originally Posted by Smoke Em
sniffer test!!

what should i do about the egr and air,
if i remove them will they throw codes, and what about the o2s,

do the pacesetters have locations for the o2s??
I dunno about RI, but i passed in DE with cats placed in my Pacesetter Y and i have no air/egr. You will need to have the computer tuned so the egr/air is turned off and wont set a code.
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Old Oct 16, 2009 | 04:58 PM
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Originally Posted by jaysz2893
I dunno about RI, but i passed in DE with cats placed in my Pacesetter Y and i have no air/egr. You will need to have the computer tuned so the egr/air is turned off and wont set a code.
did you have to cut the ORY to fit the cat or how did you get the cat to work?
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Old Oct 16, 2009 | 04:59 PM
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Originally Posted by Smoke Em
i am looking to go with these LTs

http://www.summitracing.com/parts/PSM-70-2239/

and this Y,

http://www.summitracing.com/parts/PSM-82-1161/

how can i tell if i can keep the egr and air??
also how would i put the cat in, cut the y pipe??
those you linked are the "race" headers. THey have no fittings for Air/EGR. I have the same ones, but coated. BTW The Painted ones rust FAST.
I cut about 12 inches out of the Y where it would slip on to the header. I got high flow cats that fit in the place of the pipe. I wil look through my records and see if i can find a part # for the cats. I take them out after inspection. I have 2 years between inspections..
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Old Oct 16, 2009 | 05:02 PM
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do the ones i posted have places for the o2s?? so you have 2 cats before the headers meet together at the y, instead of 1?
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Old Oct 16, 2009 | 05:03 PM
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Originally Posted by Smoke Em
i am looking to go with these LTs

http://www.summitracing.com/parts/PSM-70-2239/

and this Y,

http://www.summitracing.com/parts/PSM-82-1161/

how can i tell if i can keep the egr and air??
also how would i put the cat in, cut the y pipe??
Those are race version and that's an off road y-pipe.

You'll want these http://www.byunspeed.com/product_inf...92e7db1a3aa38d

Those have air/egr, as far as the y-pipe you can do what the guy above says and get a cat welded in.

You might give young a call (888-592-6661) and see what he can hook up for you, he'll beat match/beat summit prices and is knowledgeable about what you'll need.
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Old Oct 16, 2009 | 05:09 PM
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Originally Posted by Smoke Em
do the ones i posted have places for the o2s?? so you have 2 cats before the headers meet together at the y, instead of 1?

yes, pretty much any name brand headers will come with the o2 bungs already welded on. so no worries there.


i would get the emission style headers just in case. then cut the ypipe and just fit in a converter like the one guy did
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Old Oct 16, 2009 | 05:10 PM
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here are my cats:
http://www.summitracing.com/parts/MPE-94109/
I slipped one on right behind the pass header andthe other one is in the diagonal section that goes under the drivers floor. I needed to heat wrap my brake lines too. I didnt weld them in cause i take them out. I used clamps:
http://www.jegs.com/i/JEGS/555/30733/10002/-1

and to answer your original question it can be done on Jack Stands.. I Did it.. but will NEVER do it again. Taking out the starter on the pass side and taking off the oil filter and steering shaft on the drivers side helped alot. Also use locking bolts and some anti seize. And finally get good gaskets. I used Fel Pros. well this Kit..
http://www.summitracing.com/parts/CMB-05-0128/

By all means though call around, summit is high and not a sponsor of the site.

EDIT, it was more like 10 inches out of the pipes to fit the 13 inch cats.
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