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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 05-30-2013, 05:14 PM   #1
franknbeans
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Exclamation Help, Need Your Ideas.

Ok, so I put in some electronic exhaust cutouts in the same location as two of my friends.

The difference is, they are running headers and not catts.

I think this is the reason I am having the issue at hand. I am stock until after the catts.

My passanger side is over heating my fuel and brake lines.

See pictures.





The orange line and vacuum line is for my whipple BAP.

I obviously need to fabricate a heat shield before I do some big damage. I tried the heat tape... THat didn't work because the glue just gave away and the tape actually melted by the exhaust temp. You can see a bit of the tape left.

I tried to stick a panel of aluminum there to deflect the heat and the only thing that accomplished was the exhaust melting a hole in the middle of the panel.

Now I assume I will have to go into steel. But before I do, I wanted to post here to get some ideas form the C5 family.



Any advice except "move them" will be much appreciated.
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Old 05-30-2013, 05:23 PM   #2
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I would push your cut outs back some if (I know it would be a pain) and away from your fuel lines. I generally don't recommend putting them that close to the O2 sensors. When the cut outs are open and you are off throttle you will be getting some false leans and dumping a lot of extra fuel for no reason.
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Old 05-30-2013, 05:31 PM   #3
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Ugh.. really didn't want to hear this. I don't have the parts I cut out to weld back in.

I have the magnaflow exhaust with only the single resonator in the middle. I can't imagine the exhaust not would change much from what I have if I move them behind the resonator.
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Old 05-31-2013, 11:28 AM   #4
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really, that's the only advice form 5,000 people on the board.. move it.. LOL.. oh well. I do have a couple ideas before I do that.
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Old 05-31-2013, 11:31 AM   #5
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Could you fabricate some sort of hood or shroud to guide the exhaust in a different direction (away from the fuel lines and wires) when the cut outs are open?
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Old 05-31-2013, 11:32 AM   #6
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Juiced gave you a professional opinion and advice. Get the heat away from the lines and sensor. You probably already knew this by how your first post reads.

Goodluck and post a vid of open exhaust when you finish.
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Old 06-05-2013, 08:12 PM   #7
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Yeah.. moving not a option. Guess I'll build some heat reflectors.
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Old 06-05-2013, 08:24 PM   #8
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Headers.

OR a down tube from the cut out to get the exhaust away from the body/fuel lines/wires.

T.

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Old 06-05-2013, 08:28 PM   #9
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Maybe you should try some steel sheet with insulation glued to the back of it to cover those lines.
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Old 06-05-2013, 08:35 PM   #10
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Agreed get some headers and mid pipes and start all over.
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Old 06-05-2013, 08:40 PM   #11
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+1 W/ Litle88
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Old 06-05-2013, 09:02 PM   #12
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Haha. Sounds like you could use a beer OP.
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Old 06-05-2013, 09:45 PM   #13
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And a shot!
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Old 06-05-2013, 09:51 PM   #14
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And some angeldust!
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Old 06-05-2013, 10:49 PM   #15
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Steel plate and heat insulation along with nodded cutout. Going to have the exhaust point to the ground. Stay tuned for the results.
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Old 06-05-2013, 11:31 PM   #16
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Quote:
Originally Posted by franknbeans View Post
Steel plate and heat insulation along with nodded cutout. Going to have the exhaust point to the ground. Stay tuned for the results.
That sounds pretty thorough. Might as well try everything you can before redoing it.
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Old 07-26-2013, 04:18 PM   #17
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Ok, Got this finished..

Steel plate with 2 layers of 2000* heat pad + wrapped the lines with the pad also.

First time I put it on the exhaust side... the exhaust burnt it a bit, so I moved it to the back side.

I pop riveted the pad on and used aluminum tape securing the sides.



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Old 07-26-2013, 04:18 PM   #18
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Old 07-26-2013, 04:20 PM   #19
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Plan is to pull it back off and use some high temp heat paint
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Old 07-26-2013, 05:17 PM   #20
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"A" for effort man...but with such a nice car I would do it the rite way.

I hate to say this but that looks like a Mcgiever mess,plus you drilled the sub-frame and it's going to start rusting there.Those sheilds will never last long term either.

Along with the heat and possible 02 sensor reading problems I would completely re-do or move them to the back like the pics below.

Just trying to help.
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Old 07-26-2013, 05:49 PM   #21
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the rear is pointless with my exhaust. I do not have rear mufflers like you. I only have a single one in the middle. If I put the cutouts in the rear it wouldn't be any louder than with them closed or open. Hence the location. Sub frame will not rust there.. I painted it and have grease there.

I'm kinda stuck on the location because of the exhaust.
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