| coupeman | -- 04-19-2016 @ 11:05 AM |
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My 48 coupe has a hole in the firewall that I can't find a purpose for, its about one inch diameter above the accelerator assy. I have attached a photo maybe someone can identify its use.
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| Old Henry | -- 04-19-2016 @ 1:11 PM |
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From its proximity to the other hole down and to the left of it, and its size, I would say a hot water heater tube hole and the other one the other hole. My only hesitation is that those holes are usually more to the passenger side of the firewall. Why anyone opened it up when the heater tubes are obviously already through the firewall to the left is a mystery. This message was edited by Old Henry on 4-19-16 @ 1:12 PM
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| coupeman | -- 04-19-2016 @ 4:23 PM |
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Thanks for the input, that was my first guess, I will plug it for now to keep water out.
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| woodiewagon46 | -- 04-20-2016 @ 11:11 AM |
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I just looked at my '46 and one of my heater pipes comes thru where you are indicating. What I don't understand is that what looks like heater pipes of some sort are shown in your picture. What are they?
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| woodiewagon46 | -- 04-20-2016 @ 11:16 AM |
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Coupeman, let me clarify something. The heater pipe in my car comes thru the hole that is still blanked off in your picture, not the open one. There is another hole towards the passenger side for the other pipe.
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| coupeman | -- 04-20-2016 @ 11:14 PM |
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I have a fresh air heater system in my car and those pipes to the left in the photo coming out of the firewall are for that system, maybe the hole was unplug by the previous owner for some unknown application, thanks guys for the feedback.
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| Ritzy1 | -- 04-21-2016 @ 5:19 AM |
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I think it's where either the hand throttle or choke cable went through the firewall. Here's a picture of my firewall showing a cable coming through that hole.
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| len47merc | -- 04-21-2016 @ 7:12 AM |
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Here's a pic of my '47's firewall which should be darned close to your '48 - looks to me like those holes are for the throttle control cable and the windshield wiper vacuum hose. Steve
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| coupeman | -- 04-21-2016 @ 11:49 AM |
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End of mystery its for the wiper vacuum line, Thanks everyone for your inputs
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| Ritzy1 | -- 04-21-2016 @ 7:02 PM |
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Yup. I was looking at the wrong hole.
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| coupeman | -- 04-21-2016 @ 8:11 PM |
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Where did you find the grommet?
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| len47merc | -- 04-22-2016 @ 5:12 AM |
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coupeman - The grommet is the original. This '47 is a Rouge Class Award car for running gear (and interior). Have never researched sources for this or other period correct grommets - perhaps someone else can weigh in here with advice/experience. Steve This message was edited by len47merc on 4-22-16 @ 5:17 AM
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| TomO | -- 04-22-2016 @ 6:32 AM |
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Dennis Carpenter reproduces the firewall grommets. Tom
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