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Drilling through the firewall 

 

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 Post subject: Drilling through the firewall
Posted: Wed Sep 14, 2005 1:50 pm 
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Is there any issue or anything to stop me from putting a hole through the firewall into the cabin?
I've already filled the cluth cable hole up and can't see any more useable holes. And I've got plenty more wires to be run through (vacum tube, coolant sensor fire, fog light wire and A/F gauge wires). So I thought I'd just drill another hole through the firewall for em all...

 

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Posted: Wed Sep 14, 2005 2:05 pm 
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I can't see why not, however there are a few other avenues you could explore.

If you take the inner gaurds off you can actually feed wire from the cabin to there, and then from there into the engine bay.
Also there is room for a few wires where the accelerator cable goes.

 

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Posted: Wed Sep 14, 2005 2:23 pm 
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Why going through firewall for A/F??

Anyways, as voxace suggested.... pull off the driver's side kick panel and you'll see some holes in the metal skin with a few looms running through. Run wiring through here and you can grab them from behind the inner gaurd. Makes for simple access to the engine bay.

If you plan on drilling through the firewall, make yourself comfortable... double steel so will take a while. And also make sure there's nothing important on the other side of where you're drilling, lol.

 

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Posted: Wed Sep 14, 2005 2:49 pm 
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yeah thats what i was thinkin hope you have some good drill bit caus its gonna take forever to drill through, i have to relocate my amp power cable out of the clutch cable hole soon to, there will be a clutch cable int here very soon
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Posted: Wed Sep 14, 2005 2:52 pm 
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4.9 EF Futura wrote:
Why going through firewall for A/F??


beacause the oxygen sensor is right there, saves me runing longer wires to the ECU, also saves me haveing to go through the wires comming off the ECU - and there are lots as there's also shift kit and LPG wires added!

dang double steel... i might look at the inner gaurd now lol!

 

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Posted: Wed Sep 14, 2005 4:42 pm 
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get a new drill bit for metal it will be fine!
just dont make teh hole too big!
also a groment will be needed to stop the chaffing of the wires

 

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Posted: Wed Sep 14, 2005 5:06 pm 
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if you drilled a hole, wouldn't that increase the engine noise in the cabin? and hot air would also get in?

 

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Posted: Wed Sep 14, 2005 5:13 pm 
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fordzatmyplace wrote:
if you drilled a hole, wouldn't that increase the engine noise in the cabin? and hot air would also get in?


Thats another reason to use a rubber grommet!

 

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Posted: Wed Sep 14, 2005 6:11 pm 
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It wont take that long to drill through, use a pilot first then the size you want. I did the same with mine save have bits and pieces going into the cabin all over the place i drilled a nice big hole and ran everything through there

 

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Posted: Wed Sep 14, 2005 6:16 pm 
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looks like i'm drilling, i had a look behind the kick pannel and that and it'd just mean longer wires and more threading to go through there. i'll get a rubber gromet from work.

 

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Posted: Wed Sep 14, 2005 7:15 pm 
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Yeah just drill it!
I drilled another hole for my amps when i went manual as they were running through the clutch cable hole.
Took 10 seconds with the right drill bit, i then grabbed a grommet from d**k and Done!

 

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