What's a good way to plug up a firewall hole? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**special-K** · 05-15-2016, 06:32 AM

Old sock or rag? Many trucks I've bought have had that method implemented

Measure the diameter and maybe there is a rubber plug made in that size

Andy4639 · 05-15-2016, 09:06 AM

Don't be to fast in plugging that hole yet!
Depending on what pump and where you mount it you need to run wires and tubing through the fire wall. Later time you may need more stuff ran through the fire wall. Those little holes want hurt you much if left open for a while and see!

firedemon · 05-15-2016, 10:10 AM

pull the hoses out and a little black rtv silicone in the three little holes will make a solid plug that can be reversed if you decide to go stock again down the road

05-15-2016, 06:32 AM	#1
special-K Special Order Join Date: Nov 2004 Location: Mt Airy, MD Posts: 85,851	Re: What's a good way to plug up a firewall hole? Old sock or rag? Many trucks I've bought have had that method implemented Measure the diameter and maybe there is a rubber plug made in that size __________________ "BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~

05-15-2016, 09:06 AM	#2
Andy4639 Old member Join Date: Jan 2002 Location: Liberty, & Garden City S.C. , U.S. Posts: 19,945	Re: What's a good way to plug up a firewall hole? Don't be to fast in plugging that hole yet! Depending on what pump and where you mount it you need to run wires and tubing through the fire wall. Later time you may need more stuff ran through the fire wall. Those little holes want hurt you much if left open for a while and see! __________________ 1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.

05-15-2016, 10:10 AM	#3
firedemon Registered User Join Date: Jun 2015 Location: @ Posts: 890	Re: What's a good way to plug up a firewall hole? pull the hoses out and a little black rtv silicone in the three little holes will make a solid plug that can be reversed if you decide to go stock again down the road



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