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Old May 16, 2013 | 01:59 PM
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Default Tunnel Plate
After have upgrades done to car , I've finally realized they left my tunnel plate off the vehicle .New to C5 world , Is this acceptable ??...xzo
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Old May 16, 2013 | 02:23 PM
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Choice, junkyard or insulated from forum vendor. I think my insulated makes a difference.
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Old May 16, 2013 | 02:33 PM
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It helps stiffen the chassis, especially when twisted. They'd better put one back on for you.
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Old May 16, 2013 | 03:15 PM
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Unacceptable. Question is, what the heck did they do with it? It stiffens the chassis.
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Old May 16, 2013 | 03:23 PM
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And blocks some heat. Your console must be pretty toasty by now!
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Old May 16, 2013 | 04:31 PM
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Thanks guys called them and all is good...xzo
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Old May 16, 2013 | 05:59 PM
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I would think that regardless of it is a corvette of a hyndai if a shop left a part off of a car then it is unacceptable.
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Old May 16, 2013 | 07:59 PM
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Originally Posted by xzo124
Thanks guys called them and all is good...xzo
Think about upgrading to the Elite Engineering 3/8" tunnel plate. It helps stiffen the body. They will have to remove the exhaust system to get it on so now would be a great time to upgrade. I noticed an immediate difference in twisting resistance.
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Old May 16, 2013 | 09:34 PM
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Originally Posted by craig04c5
Think about upgrading to the Elite Engineering 3/8" tunnel plate. It helps stiffen the body. They will have to remove the exhaust system to get it on so now would be a great time to upgrade. I noticed an immediate difference in twisting resistance.
What vendor sells these...??
Also new to C5 world And seems now that weather is warmer, I notice more heat from tunnel area and shifter boot also gets pretty warm. Is this normal?
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Old May 16, 2013 | 10:53 PM
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Might as well see if you can find a used C6 plate or aftermarket one. It will do more for chassis stiffening than the thin stocker.
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Old May 17, 2013 | 06:13 AM
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Originally Posted by 63 FI SW
..........now that weather is warmer, I notice more heat from tunnel area and shifter boot also gets pretty warm. Is this normal?
I've noticed this as well. It's called "summer".

Get an EE tunnel plate with Thermal Abs. Mo betta.
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Old May 17, 2013 | 06:34 AM
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I had an elite engineering one but with my TSP X pipe I would have had to cut holes for the 02 sensors. I didnt have anything that would cut that thick of metal so I had to sell it and go with the stocker.
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Old May 17, 2013 | 12:27 PM
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Originally Posted by NukeC5
Might as well see if you can find a used C6 plate or aftermarket one. It will do more for chassis stiffening than the thin stocker.
Yes, the C6 tunnel plate is thicker and another option if you can get one cheap with shipping.
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Old May 17, 2013 | 02:25 PM
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Originally Posted by baxsom
I had an elite engineering one but with my TSP X pipe I would have had to cut holes for the 02 sensors. I didnt have anything that would cut that thick of metal so I had to sell it and go with the stocker.
What is different about the TSP xpipe that would cause you to have to cut it?
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Old May 17, 2013 | 09:24 PM
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Elite Engineering plate is the way to go.
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Old May 17, 2013 | 09:43 PM
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Originally Posted by MikeD33
What is different about the TSP xpipe that would cause you to have to cut it?
It is 3 inches to start with plus they have the 02 sensor bungs at an angle that causes the sensors to touch the tunnel plate when installed. You have to cut a hole in the plate above the 02 sensor location so they do not touch.
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Old May 17, 2013 | 09:55 PM
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Default Tunnel plate
Is the Z-06 tunnel plate any different than the base C5 stock piece ? Has any one used Dynamat on a tunnel plate and how die it work out for heat shielding ?
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Old May 18, 2013 | 01:58 AM
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Originally Posted by Darrell98
Is the Z-06 tunnel plate any different than the base C5 stock piece ? Has any one used Dynamat on a tunnel plate and how die it work out for heat shielding ?
No difference in the C5Z plates. A base C6 plate is an upgrade to the C5Z as well as the Base C5.
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Old May 18, 2013 | 02:30 AM
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Didn't the Z06 use the convertible tunnel plate for extra stiffness? Not sure, but someone told me that once.
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Old May 18, 2013 | 10:16 AM
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Originally Posted by john8642
Didn't the Z06 use the convertible tunnel plate for extra stiffness? Not sure, but someone told me that once.

No.
All GM C/5 plates are the same thickness.
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