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

Need some Header help

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Old Apr 12, 2010 | 09:06 AM
  #1  
LT1 Z/28's Avatar
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Default Need some Header help

I just bought some AS&M mids and I want to make sure I have every thing, felpro 1406 header gaskets, Mr Gasket Collector gaskets 5980, stage 8 header and collector bolts, anti seize and gasket sealer and I missing anything?

Also will these bolt up to the stock cat or will I need some kind of adaptor? I really dont want to buy a high flow i rather use the stock cat because I am out of money.

O and any tips for future install would be much appreciated.

Thank you,
George
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Old Apr 12, 2010 | 09:54 AM
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Lose the gasket sealer, it'll just burn off.
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Old Apr 12, 2010 | 12:31 PM
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Ok good to know now I can save some money. Anything else?
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Old Apr 12, 2010 | 01:19 PM
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I have pulled my ASM headers off and on my car more times than I can count, get some nice stainless bolts for the collector's, and you should be able to bolt the Y pipe right up to your stock cat.

Also I welded a stud on one of my collectors so I didnt have to put a wrench on the primary tube side of the collector bolts to make life easier, also notched the K-member slightly to get a long extension on one of the collector bolts so I didnt have to use a swivel on the ratchet.

You should drop these in from the top and make sure you pull your Airbag sensor relay/fuse so you can safely pull the steering column and get the header in much easier on driver side. When I get to the garage later I will look at my headers and tell you what side and bolt I welded the stud to as it will make installing them 10000 times easier.

They are a great set of headers that make some good power, I think it was Injuneer or his buddies car (excessiveSS) that ran these with a modified collector up around 800-900hp ALONG-----LONG time ago. They also dyno tested them against the hooker longtubes and made some comparible power, Im thinking back in like 03-04 when I read that so dont take my quotes to heart.
Josh
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Old Apr 13, 2010 | 07:42 PM
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STOCKTA- Thank you very much for the information, it will be very helpful when i go to finally install these I do have a question though. With the supplied flange how did it match up to the cat? I'm still confused on how i'll connect the cat to the y-pipe.
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