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Author Topic: Firewall holes for vac lines?  (Read 1380 times)

Offline RogerArrick

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Firewall holes for vac lines?
« on: October 04, 2011, 11:30:27 AM »
At the top of the firewall there are 2 holes, one for the heater valve vac control line, and the other for the AC cannister vac line. 

Is there suppose to be grommets there?  If so I can't find it listed in the parts catalog.  Or did it just have sealer blobbed around it originally?
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Roger Arrick
Tyler, TX
Home of an awesome group of Mustang rebuilders

Offline J_Speegle

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Re: Firewall holes for vac lines?
« Reply #1 on: October 04, 2011, 08:23:47 PM »
Roger - just in case there are differences - When and where was your car built?

Makes searching all the pictures easier and the answer more correct for your needs ;)
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Jeff Speegle

Anything worth doing is worth doing concours ;)

Offline RogerArrick

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Re: Firewall holes for vac lines?
« Reply #2 on: October 04, 2011, 10:29:26 PM »
San Jose, January 68.  289, C4, AC, PS Coupe.
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Roger Arrick
Tyler, TX
Home of an awesome group of Mustang rebuilders

Offline J_Speegle

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Re: Firewall holes for vac lines?
« Reply #3 on: October 05, 2011, 01:48:26 AM »
Looked and looked through about 2000 pictures (didn't want to compare the other two plants ;) unfortunately not an often pictured location and the cowl pinch  weld gets in the way ( as well as providing a big shadow)

Anyway - not conclusive IMHO will look at some cars tomorrow at the shop to see if there are any 68 SJ AC cars







Tried :(
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Jeff Speegle

Anything worth doing is worth doing concours ;)

Offline RogerArrick

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Re: Firewall holes for vac lines?
« Reply #4 on: October 11, 2011, 10:13:43 PM »
I think there's suppose to be a grommet there instead of caulking.  The hole is 5/8".  Haven't found them in any catalog.
« Last Edit: October 12, 2011, 01:49:51 PM by RogerArrick »
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Roger Arrick
Tyler, TX
Home of an awesome group of Mustang rebuilders

Offline ruppstang

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Re: Firewall holes for vac lines?
« Reply #5 on: October 12, 2011, 05:56:13 PM »
5/8 is a rather large hole but I have never seen grommets used there. Marty
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