Hose routing with VintageAir and smooth firewall? - Team Camaro Tech
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post #1 of 9 (permalink) Old Jun 9th, 07, 11:14 AM Thread Starter
 
Join Date: Mar 2004
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Question Hose routing with VintageAir and smooth firewall?

I've seen in several posts where members have run their hoses between the inner and outer fenders then through the old blower hole. I have not been able to see where the hoses were routed from there.

I'm reluctant to cut a hole in the fresh air plenum because I'm worried about drainage from the cowl making its way into the interior. How did others solve this potential problem? I thought about using the VA bulkhead connector but the fresh air plenum is convex, so I'm not sure that would work.

I'm running the VA Compac unit mounted under dash with the DSE bracket, and as mentioned I've smoothed the firewall.

I would really like to see any pictures of similar installations.
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post #2 of 9 (permalink) Old Jun 9th, 07, 11:42 AM
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Jim
 
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Re: Hose routing with VintageAir and smooth firewall?

I've seen 2 different bulkhead connectors mounted in the firewall below the plenum, near where the original heater hoses ran thru.
Seen 2 types of bulkhead connectors, one is a 2 by 2 square, the other is 4 in a row.





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post #3 of 9 (permalink) Old Jun 9th, 07, 02:56 PM
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Frank
 
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Re: Hose routing with VintageAir and smooth firewall?

There is a blower motor cover with grommets in it that is used in the 68 to 72 Chevelle kits, we can buy that piece seperate of the kit. From there you have to snake them over the kick panel (you will be triming that panel. it works real well.
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post #4 of 9 (permalink) Old Jun 12th, 07, 01:53 PM Thread Starter
 
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Thumbs up Re: Hose routing with VintageAir and smooth firewall?

Frank, thanks for the help. I now have a clear idea of what needs to be done.
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post #5 of 9 (permalink) Old Jun 12th, 07, 06:40 PM
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Re: Hose routing with VintageAir and smooth firewall?

Here.. take a look at what I done a few years ago!


Steve "Jack'stands" Jack

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post #6 of 9 (permalink) Old Jun 12th, 07, 07:00 PM
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Rod
 
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Re: Hose routing with VintageAir and smooth firewall?

Quote:
Originally Posted by HOTRODSRJ View Post
Here.. take a look at what I done a few years ago!

Any pics of the interior routing??

Rod
69 Camaro with LS2/4l70e

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post #7 of 9 (permalink) Old Jun 12th, 07, 08:34 PM Thread Starter
 
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Re: Hose routing with VintageAir and smooth firewall?

HOTRODSRJ, I'd seen your picture in a prior post. It was my motivation to go this route. I'm just trying to sort out my routing through the fresh air plenum, kick panel, etc. Would you do it the same way if you had to do it over? I'd like to learn from your hindsight.
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post #8 of 9 (permalink) Old Jun 12th, 07, 08:57 PM
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Re: Hose routing with VintageAir and smooth firewall?

me 2!

Armando

1967 Chevy Camaro RS/SS
2012 Ford F150 Supercrew FX4
2007 Ford Mustang GT/CS (sold)
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post #9 of 9 (permalink) Old Jun 13th, 07, 04:52 AM
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Re: Hose routing with VintageAir and smooth firewall?

Maybe I can help by commenting on a few installation issues and yes... I would do it again definitely. It's a very clean way to route the hoses and simply bring them up from the side in the front. Piece of cake! And.. really makes the underhood very uncluttered.



First, I too bought the vanilla Vintage Air unit for the 69 and it worked flawlessly to date. Realise that the firewall that you are looking at in the picture above is a "cover" as opposed to a "smoothed" welded and ground firewall. The cover is made from 22ga aluminum that has been powder coated. So, there is still the original hole behind the cover which is paramount for routing the hoses. But, I think if you have welded up the original hole you can still accomplish this routing procedure.

I then used a power saw to cut an oblong hole in the fresh air plenum to the interior. This was not easy and is very cramped. I think I used a small cut off wheel too. This hole is located at the very top forward position on the kick panel surface under the dash mostly on the same plane as the old heater blower motor hole (where the hose exits to the firewall. The hole has to be large enough to pass the four hoses (and cram in edge protection too). I think I had to gently bend one of the exit hoses from the air conditioning coil to make it so all the hoses exit as straight line to the hole that I cut. I also made it so the heater valve was accessible right at the bottom of the heater core hose. Just make sure you have all the connections are tight before you put the firewall cover on.. because the access to the front hoses on the top is impossible and your heater hoses should be as quality as you can buy.

I used the plastic blower motor cover to use as a hose caddy by drilling the appropriate holes and using grommets to make it air tight. Also, I used silicone adhesive to fill in the gaps in the plenum holes around the hoses. This too was to prevent air incursion and to hold the hoses in place.

You don't have to pressure test the system if you don't want too.. but I did just in case. I helped on another guys Camaro and we didn't test anything and it was good to go and still ticking after 5 years!

Hope some of this helps!

Steve "Jack'stands" Jack

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