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Old 11-25-2025, 12:48 PM   #1
robbieg454
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1958 Apache Sill Plates

Who makes them? I can't find any. I'm restoring a 58 Apache and need sill plates. I have an old set but can't find anyone
who makes them now. Not for the 58. I added a picture of the ones I have but can't find anymore. Thanks in advance
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Old 11-25-2025, 09:35 PM   #2
mr48chev
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Re: 1958 Apache Sill Plates

All I found was an add for a pair of straight billet ones
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Old 11-25-2025, 09:38 PM   #3
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Re: 1958 Apache Sill Plates

These are nice but real spendy https://www.backroadsfab.com/store/p...ck_Door_Sills_[DS-55-9CTP].html
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My ongoing truck projects:
48 Chev 3100 that will run a 292 Six.
71 GMC 2500 that is getting a Cad 500 transplant.
77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.
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Old 11-26-2025, 10:24 AM   #4
Hcb3200
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Re: 1958 Apache Sill Plates

Since you have a really good in shape set. I would find a local fabrication or machine shop that could replicate a few sets for you. Might be more expensive than finding them. I could not find any reproductions or reasonable in shape ones for my 56. so i made a set that does not look like those. If you get them made, have them make a few sets. and sell them to guys online. you could probably recoup your costs quite easily.
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Old 11-26-2025, 12:18 PM   #5
robbieg454
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Re: 1958 Apache Sill Plates

Called Back Roads to see if by chance they have a set, and they do not. As for a local fabricator I'm in North Dakota and they are a hard find around here. I will get some aluminum channel and make something work. Thanks for your input.
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Old 11-26-2025, 01:52 PM   #6
dsraven
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Re: 1958 Apache Sill Plates

try a housing flooring place possibly.
are your originals beyond restoring? they look pretty nice in the pics, but you know what they say about pics.....
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Old 11-26-2025, 02:41 PM   #7
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Re: 1958 Apache Sill Plates

I'm thinking that the set you have are a custom made set. Hunting yesterday I couldn't even find a stamped metal set in any kind of metal, just those two billet sets.

More seraching today doesn't bring up any type of sill plates or carpet or floor mat retainers for TF trucks. I can't remember what my 57 panel had to hold the floor mat down.
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Founding member of the too many projects, too little time and money club.

My ongoing truck projects:
48 Chev 3100 that will run a 292 Six.
71 GMC 2500 that is getting a Cad 500 transplant.
77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.

Last edited by mr48chev; 11-26-2025 at 02:51 PM.
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Old 11-26-2025, 03:32 PM   #8
dsraven
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Re: 1958 Apache Sill Plates

there is a little tutorial on make it custom that shows building a wooden pattern that sandwiches a piece of metal between the 2 pattern halves. the lower half has "routered" grooves or whatever pattern you want inset into the wood. then an air hammer with a delron tip, or a hammer and a tool shaped like the imprint depression, is used to make the imprint onto that sandwiched metal. if you were to use aluminum it wouldn't be too much of a stretch to say you could form that yourself.
or shine up what you have and go with it.
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Old 11-26-2025, 03:34 PM   #9
dsraven
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Re: 1958 Apache Sill Plates

here is a link to a Canadian site that shows stock. of course the USD will go further than the CAD but you gotta include shipping too.

https://www.google.com/search?q=55-5...CAEQAhgBIAEoAQ
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Old 11-26-2025, 03:53 PM   #10
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Re: 1958 Apache Sill Plates

[quote=dsraven;9412511]here is a link to a Canadian site that shows stock. of course the USD will go further than the CAD but you gotta include shipping too.

https://www.google.com/search?q=55-5...CAEQAhgBIAEoAQ[/

Those are for 55/57 two door cars
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Founding member of the too many projects, too little time and money club.

My ongoing truck projects:
48 Chev 3100 that will run a 292 Six.
71 GMC 2500 that is getting a Cad 500 transplant.
77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.
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Old 11-26-2025, 04:26 PM   #11
dsraven
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Re: 1958 Apache Sill Plates

ah, i gotta look closer. lol. maybe they could be tried in the truck cab. who knows.they might work. its just a 90 deg angle trim peice that could possibly be modified?
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Old 11-26-2025, 06:08 PM   #12
mr48chev
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Re: 1958 Apache Sill Plates

I'm wondering if his aren't something that some outfit made and sold back at they hayday of the billet craze. When half the car guys who worked in job shop machine shops were turning out trinkets machined out of aluminum and selling them in adds in the back of car magazines.
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Founding member of the too many projects, too little time and money club.

My ongoing truck projects:
48 Chev 3100 that will run a 292 Six.
71 GMC 2500 that is getting a Cad 500 transplant.
77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.
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