 What is this hole for? |
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| sdthomas |
 Dec 28 2013, 07:57 PM
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#1
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Member  Group: Members Posts: 64 Joined: 14-June 11 From: Seattle Member No.: 13,193 Region Association: Pacific Northwest 
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I'm thinking about mounting my fuel pump on the firewall since my stock pump failed and one of the bolts holding it in place rusted away (IMG:style_emoticons/default/dry.gif) . So I pulled out the seats and backpad to find a good place to drill a hole for the pump bracket mounting bolts and noticed that there are two small holes already in the firewall and the surrounding sound-deadening material. They don't seem to go through to the other side but are clearly there for a reason. Any idea what they are for? The car is a 74.
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| JawjaPorsche |
Dec 28 2013, 09:19 PM
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#2
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Advanced Member Group: Members Posts: 3,463 Joined: 23-July 11 From: Clayton, Georgia Member No.: 13,351 Region Association: South East States |
Here is my fuel pump mounted on firewall. Used long bolts from behind back pad with large fender washers.
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| sdthomas |
Dec 28 2013, 10:27 PM
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#3
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Member Group: Members Posts: 64 Joined: 14-June 11 From: Seattle Member No.: 13,193 Region Association: Pacific Northwest
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JawjaPorsche, you don't happen to remember to remember the length of the bolts you used? It would be great to know that ahead of time, with fuel likely dripping out.
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| JawjaPorsche |
Dec 29 2013, 07:55 AM
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#4
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Advanced Member Group: Members Posts: 3,463 Joined: 23-July 11 From: Clayton, Georgia Member No.: 13,351 Region Association: South East States |
QUOTE(sdthomas @ Dec 28 2013, 11:27 PM)  JawjaPorsche, you don't happen to remember to remember the length of the bolts you used? It would be great to know that ahead of time, with fuel likely dripping out. I can't remember what I had for breakfast! Seriously, I think they are six inches but not sure. Did this 20 years ago! You can always get a little longer and cut them if too long. I used an extra coil bracket I had for the fuel pump holder. Used rubber between bracket and pump to silence pump vibration noise. |
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Posts in this topic
sdthomas What is this hole for? Dec 28 2013, 07:57 PM
porschefile2010 From memory I think there was a bolt went through ... Dec 28 2013, 08:17 PM anderssj IIRC there are 4 phillips head screws near the bot... Dec 28 2013, 09:19 PM
sdthomas No these holes are different from the four backpad... Dec 28 2013, 10:24 PM Cap'n Krusty Holes in the firewall higher than about 4-6" ... Dec 28 2013, 11:00 PM |
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