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

header question!

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Old Apr 13, 2006 | 10:33 PM
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Default header question!

Will a set of shortie headers off of a 93-94 car work on my 97? Please let me know asap!
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Old Apr 13, 2006 | 10:52 PM
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They should, can't see why they wont. As long as they have the O2 Sensor Bungs, and the EGR and AIR Connections if you still have that, then you should be good.
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Old Apr 13, 2006 | 10:58 PM
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Can you explain where the EGR connection would be?
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Old Apr 13, 2006 | 11:19 PM
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if you have a stock y-pipe they will not work, the mounting flange on the driver side will not match up.
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Old Apr 13, 2006 | 11:20 PM
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Can someone explain to me why when you go to retail sites that they sell headers by differnt years. Example would be that they sell a set for 93-94 then a set for 95-97. Whats the difference? Are they not at universal?
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Old Apr 13, 2006 | 11:25 PM
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Originally Posted by 97ssCDB
Can someone explain to me why when you go to retail sites that they sell headers by differnt years. Example would be that they sell a set for 93-94 then a set for 95-97. Whats the difference? Are they not at universal?
Nope they arent universal, first the 93-94 have a single cat, the 95-97 have dual cats. look
93-94 headers(from SLP)


95-97 headers(from SLP)


See the difference.... its in the mounting flanges.
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Old Apr 13, 2006 | 11:28 PM
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I see I see....Thank you very much. I would have been pissed if I had purchased these and had them not fit.
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Old Apr 14, 2006 | 12:02 AM
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To be exact, 1993-95 have single cat. 1996 and up have dual cats, OBDII Computer. The EGR Mount is on the right header, faces toward the engine. The little pieces in the pic of the headers that come off of the top are for the AIR System check valves.
IF you are keeping the cats, then they would be different. I am getting Long Tubes with a Y Pipe fit to them, so my Exhaust is custom. No AIR or EGR.
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Old Apr 14, 2006 | 12:30 AM
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I see...Thanks again everyone for the information.
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