Author Topic: Firewall insulation plug  (Read 1124 times)

sixt9x33rs

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Firewall insulation plug
« on: January 13, 2013, 12:37:27 AM »
I noticed on my 69 that I left out one of the plugs that hold the firewall insulation on. The location is up above the brake on the firewall. I have a plug and could not get it to push through the firewall all the way to secure on the engine side of the firewall. I was trying this by myself and maybe it's a two man job. Any secrets on a way to push this through the firewall?

Thanks,

Lawrence
'69 RS Z/28 Olympic Gold, 711
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'69 X66 Convertible Cortez Silver 712 black top Endura, auto, bumper guards, am/fm rear speaker 44k miles

Mike S

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Re: Firewall insulation plug
« Reply #1 on: January 13, 2013, 01:03:02 AM »
In the middle of the plug is a hole. I took a screw driver that fits the hole and ground a rounded end on it. Press this in to stretch the plug just enough while holding the larger end to get it through the firewall hole.

Mike
67 LOS SS/RS L35 Hardtop - Original w/UOIT
67 NOR SS/RS L35 Convertible - Restored

firstgenaddict

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Re: Firewall insulation plug
« Reply #2 on: January 13, 2013, 01:29:29 AM »
Short of mike's suggestion (correct way) is to have someone else grab the nub with a pair of pliers and ease it on through.
James
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69Z28-RS

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Re: Firewall insulation plug
« Reply #3 on: January 13, 2013, 01:40:11 AM »
lubricating the plug might help.   'Wire Ease' is an electrical source 'slippery stuff', which evaporates away.  you might also dip the plug end in go jo.... :)

Gary
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60 Corvette white/red, 72 Corvette coupe, '70 Mach I 
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sixt9x33rs

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Re: Firewall insulation plug
« Reply #4 on: January 13, 2013, 01:45:53 AM »
Thanks guys. I tried lubricate, and trying to pushing it through with a screw driver...I think i need someone else to help pull it through like James suggested. ???
'69 RS Z/28 Olympic Gold, 711
Flat hood no spoiler, black top, endura, 4:10
POP 39,000
69 X77 Z/28 69 711 Original Paint Unrestored
'69 X66 Convertible Cortez Silver 712 black top Endura, auto, bumper guards, am/fm rear speaker 44k miles

JohnZ

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Re: Firewall insulation plug
« Reply #5 on: January 13, 2013, 03:44:51 PM »
Thanks guys. I tried lubricate, and trying to pushing it through with a screw driver...I think i need someone else to help pull it through like James suggested. ???

In the plant, we kept the plugs in a tray on the bench under a heat lamp, and dipped them in a 50-50 solution of water and Joy soap just prior to installing them. The inside guy pushed them, and the outside guy grabbed the tips with duckbill pliers and pulled them to seat them.
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sixt9x33rs

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Re: Firewall insulation plug
« Reply #6 on: January 16, 2013, 12:54:54 PM »
John Z what are duck bill pliers?
'69 RS Z/28 Olympic Gold, 711
Flat hood no spoiler, black top, endura, 4:10
POP 39,000
69 X77 Z/28 69 711 Original Paint Unrestored
'69 X66 Convertible Cortez Silver 712 black top Endura, auto, bumper guards, am/fm rear speaker 44k miles

Mike S

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Re: Firewall insulation plug
« Reply #7 on: January 16, 2013, 01:32:20 PM »
He probably means something like these:
« Last Edit: January 16, 2013, 02:35:44 PM by Mike S »
67 LOS SS/RS L35 Hardtop - Original w/UOIT
67 NOR SS/RS L35 Convertible - Restored

69Z28-RS

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Re: Firewall insulation plug
« Reply #8 on: January 16, 2013, 01:55:41 PM »
They will 'squeeze' the rubber sufficiently to allow pulling it thru, but will not 'cut' the rubber...
Gary W / 09C 69Z28-RS, 72 B 720 cowl console rosewood tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe, '70 Mach I 
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55-'56-'57 Nomads, '55-'57 B/A Sedan