Firewall Holes
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Joined: Dec 2009
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From: Central Connecticut
Firewall Holes
How many of these holes belong here?
I've come up with the following:
1 hole - Choke & Throttle cables
1 hole - Wiper vacuum hose
3 holes - Voltage regulator
2 holes - Starter Solenoid
2 small, 1 large - Wiring Harness and grommet
4 holes - data plate
I've come up with the following:
1 hole - Choke & Throttle cables
1 hole - Wiper vacuum hose
3 holes - Voltage regulator
2 holes - Starter Solenoid
2 small, 1 large - Wiring Harness and grommet
4 holes - data plate
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Joined: Dec 2009
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From: Central Connecticut
There are a number of extra holes that look like someone punched them through with an ice pick. I assume the holes for the firewall insulator would be holes drilled or punched by the factory and would have a smooth feel to them. Does that make sense?
Hotshot
Joined: Oct 2009
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From: Burbank, WA
Yes, it does make sense. And it's likely 99% of them are factory. Every firewall I've ever seen has all kinds of different holes, some necessary, others that make you scratch your head. Some are cleanly punched, some are exactly like you describe. You're on the right track trying to figure out what's what. Worse case, you weld one up you have to redrill later. No big deal.
Tuned
Joined: Jul 2006
Posts: 486
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From: HAMDEN, CT
If you want to bring it down to Hamden, I'll show you which ones to fill.
Chuck
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From: Central Connecticut
Yes, it does make sense. And it's likely 99% of them are factory. Every firewall I've ever seen has all kinds of different holes, some necessary, others that make you scratch your head. Some are cleanly punched, some are exactly like you describe. You're on the right track trying to figure out what's what. Worse case, you weld one up you have to redrill later. No big deal.
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From: Central Connecticut
Thanks for the offer. The cabs at a body shop in Glastonbury right now to be sandblasted and he's offered to fill in the holes while he's at it. Just need to tell him which ones to fill.
Dan
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Fleet Owner
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From: NM
There are also a couple or three, mostly just under the cowl lip, that are for wire retainer clips.
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From: East KY
It goes through the big hole at the top left hand corner of the passenger side toe board where it meets the vertical fire wall.
Hotshot
Joined: Oct 2009
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From: Burbank, WA
There's certainly nothing wrong with that plan, especially if you're doing a full custom and want to do all your own thing. But if you're planning to utilize any of the original items; linkage, looms, etc., having a plan to know what you need and don't need will save a ton of time end effort. Welding and grinding 110 holes isn't fun. If you can cut that in half using a systematic strategy and some forethought, it's a plus.
Elder User
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From: Katy(Houston), Texas
There's certainly nothing wrong with that plan, especially if you're doing a full custom and want to do all your own thing. But if you're planning to utilize any of the original items; linkage, looms, etc., having a plan to know what you need and don't need will save a ton of time end effort. Welding and grinding 110 holes isn't fun. If you can cut that in half using a systematic strategy and some forethought, it's a plus.
Elder User
Joined: Feb 2012
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From: Central Oregon
110 holes - now you are just exaggerating. I only had to fill 45 in mine, but that doesn't count where the PO had butchered out the top of the trans tunnel and the driver's half of the engine recess so he could scab in a gas pedal
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From: Moyie, BC Canada
There's certainly nothing wrong with that plan, especially if you're doing a full custom and want to do all your own thing. But if you're planning to utilize any of the original items; linkage, looms, etc., having a plan to know what you need and don't need will save a ton of time end effort. Welding and grinding 110 holes isn't fun. If you can cut that in half using a systematic strategy and some forethought, it's a plus.
Last edited by Mervy49; Oct 22, 2012 at 05:02 PM. Reason: we need pics