where the $%^## in the firewall? - Chevy Impala SS Forum
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post #1 of 6 (permalink) Old 08-04-2002, 10:07 PM
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I have searched already and have not found an answer I can use for my '94 SS. I am installing an amp and cannot find a grommet on the battery side to put my power cable through. The harness is packed; the antenna cable grommet only holds one; and I cannot find another. I thought about drilling, but where? I did find a hose nipple ( I think ) that was unused and big enough but where does it go? Help.....
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post #2 of 6 (permalink) Old 08-05-2002, 05:04 AM
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This might help I saw it in the Caprice section a few days ago.

I ran mine inside the right frame rail, drilled a hole (used a grommet) entered it on the back of the seat sheet metal, then routed it to the trunk. I'm using 0 Guage.

Hope some of that helps

[ 08-05-2002: Message edited by: SS964mo ]
post #3 of 6 (permalink) Old 08-05-2002, 05:21 PM
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all of my wires run through 3 3/4 inch holes in the drivers side of the firewall... 2 4ga power wires, and a boat load of strobe and wigwag wires
post #4 of 6 (permalink) Old 08-05-2002, 05:22 PM
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Oh yea, what are you using to deaden sound? Dynamat? Original or Xtreme?

Want some nifty tips?

I got pics
post #5 of 6 (permalink) Old 08-05-2002, 05:28 PM
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thanks for the reply's guys. i found it on the passenger side (a bitch to get through tho).

fatss, i am using raamat, i got 3 72 square foot rolls for 260 bux including shipping (lets see dynamat beat that! its the same as dynamat extreme (60 mils thick) what tips have ya got for me, this stuff takes allot of time to put on.

Matt aka Bettis
post #6 of 6 (permalink) Old 08-07-2002, 09:05 AM
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The nice part about the xtreme is that it has an aluminum plate on it... which makes it REALLY nice to install because you arent swimming in tar... after I put down a layer I heat it up with a heatgun and I roll it out with a roller untill I can see the old formations in the sheet metal underneath (ridges, holes whatever) So far it has worked for me... when I get it done I am going to use rubberized undercoating in the areas I cant reach then put a layer of dynaliner foam over the entire thing... (except under the headliner)

patience is the key
when it doesnt want to work with you, dont work with it.

I figure it has taken me 48sq ft for the trunk and about the same for the passenger side of the car including doors over to about 3 inches from the top of the driveshaft hump. I imagine its going to take me 8 boxes of dynamat to do the interior... (12sq ft each)

Take your time, work only when it works, if it starts to be a little biatch then back up off it for a while, nothing ruins a day like getting pissed and screwing it up worse (sound like the voice of experiance?)

The downside to xtreme is the same Al. plate... I had 3 cuts on each of my first three fingers on my right hand after the first 2 hours I used it... in short WEAR GLOVES!! get some of those .5 mechanix gloves, the .5s protect you but dont have the lack of touch that wearing the reagular ones gives you
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