What to expect after install?

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Jul 30, 2004 | 12:24 PM

crom

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Instructor

Joined: Jun 2003

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From: Columbia Md

What to expect after install?

I will finish installing my LG headers, Z06 intake manifold, plugs and wires tonight. I am wondering what I should expect in terms of codes and idle? The headers I bought have no cats and I did not buy oxygen sensor sims. I plan on having them edited out in a tune. I did a couple searches and couldn't find anything. Thanks for your help.

Jul 30, 2004 | 12:54 PM

HalfMoon

Melting Slicks

Joined: Oct 2003

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From: California

Quote:

Originally Posted by crom

P0133, P0154, P1133, P1134, P1153, P1154, possibly P0491.... Maybe a few more. Really varies/depends.

Use the D.I.C. to retreive the codes, and then get them edited out.

Jul 30, 2004 | 01:17 PM

crom

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From: Columbia Md

how about idle? Should it idle rough?

Jul 30, 2004 | 04:25 PM

gairno

Burning Brakes

Joined: Apr 2004

Posts: 866

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From: Bakersfield, Blown 402 Z06 Ca

The Idle could change with the codes that come up but once reset it should Idle normal. You will for sure need a dyno to get everything working together.

Jul 30, 2004 | 10:14 PM

HalfMoon

Melting Slicks

Joined: Oct 2003

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From: California

Quote:

Originally Posted by crom

how about idle? Should it idle rough?

I had zero idle issues when I did my install.

If you have problems at Idle, or with your power brakes, I'd check the vaccume line on the back of your intake manifold.

Jul 30, 2004 | 10:39 PM

crom

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Joined: Jun 2003

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From: Columbia Md

Thanks for the info. Everything seems fine, I hope. I finished and let the car idle for a while to let the grease burn off. Then I drove it around for about 5 minutes and the check engine light came on. I went back home and checked the codes. There were lots of history codes that seemed related to the battery being disconnected. So I reset them all and drove around again. I went about 15 minutes and 10 miles with a few hard WOT launches(no check engine light this time). Then I checked the codes again and got only P0140 and P0160 which says the oxygen sensors are missing. Sounds good right? You'll here from me again if I have trouble

Thanks again guys.

Jul 30, 2004 | 10:47 PM

jjk2509

Burning Brakes

Joined: Jan 2004

Posts: 851

Likes: 103

From: St Louis, MO

Headers and Manifold

I am going to install my LG headers and LS6 manifold in about a week.
I would like to know what hp you are getting.

I tested my car on a Mustang dyno last week and have about 290hp at the wheels with the following:

Twinflow intake
Power Duct
Borla Stinger Exhaust

How does your car sound? I decided to order the cats because the Borla's are loud already.

I would appreciate an IM after your dyno.