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Jack retention eyelet

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Old Aug 29, 2017 | 07:47 AM
  #1  
ndndndnd's Avatar
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From: Kent, UK
Car: '85 IROC-Z
Engine: 305cid
Transmission: 5-speed
Jack retention eyelet

Hello,

I was pottering about with my car at the weekend, and discovered that the jack and spare aren't properly secured.

I seem to have all the pieces, except for the eyelet that screws into the fender to hold the jack in place and subsequently holds the spare in place. At the moment, the previous owner just sort of wedged everything in there!

Getting just some little eyelet from the US would work out pretty expensive for me, but I could probably buy a generic, shouldered eyelet over here much more cheaply.

Could someone get me the spec for the length and thread size/pitch for the eyelet?

Many thanks for any help or suggestions!

Neil
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Old Aug 29, 2017 | 08:39 AM
  #2  
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From: Salina, KS
Re: Jack retention eyelet

Short of busting out the optical comparator... It's an M8-1.25 about 33mm in diameter.
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Old Aug 29, 2017 | 12:13 PM
  #3  
ndndndnd's Avatar
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From: Kent, UK
Car: '85 IROC-Z
Engine: 305cid
Transmission: 5-speed
Re: Jack retention eyelet

Thanks for the information! Do you know roughly how long it is overall?
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Old Aug 29, 2017 | 06:27 PM
  #4  
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Re: Jack retention eyelet

About 2"
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Old Aug 30, 2017 | 08:17 AM
  #5  
ndndndnd's Avatar
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From: Kent, UK
Car: '85 IROC-Z
Engine: 305cid
Transmission: 5-speed
Re: Jack retention eyelet

Hey that's pretty small!

I can get 80mm ones and cut it down.

Another thing though - I tried wrestling the jack into place thinking I could temporarily restrain it with zipties or something. However, if I looped the metal slot at the handle end of the jack over the threaded bar, the hole in the base of the jack didn't line up with where it's supposed to be bolted on with the eyelet.

Does that makes sense?! I'm not sure if I've got something wrong...
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Old Aug 30, 2017 | 08:50 AM
  #6  
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Re: Jack retention eyelet

Hmm... This is on the 85 in your profile? You've got the huge, click type ratcheting jack then? For some reason I was thinking of the 87-up jack setup, ma bad.



The 82-86 setup uses a longer eyelet. On the later cars it's as I described above, since it anchors the jack handle rather than the jack. I want to say the earlier cars the eyelet is a couple inches longer, but it's been long enough since I looked at one I can't be sure. I'd expect the thread is the same, but can't say for sure. I think I've probably got an earlier jack eyelet screw around here somewhere but being an oddball I'm not sure where to start looking through the stash to find it. LOL
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Old Aug 30, 2017 | 02:31 PM
  #7  
ndndndnd's Avatar
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From: Kent, UK
Car: '85 IROC-Z
Engine: 305cid
Transmission: 5-speed
Re: Jack retention eyelet

Yeah, that's the one. Damn weird-looking jack. Took me a couple of minutes just to work out how to use it!

Thanks for posting that diagram. Any ideas why I can't get lines 16 & 17 to both line up? I hope that doesn't mean something's got bent up in there.
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Old Aug 30, 2017 | 10:12 PM
  #8  
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Re: Jack retention eyelet

I haven't played with that setup in ages, but I seem to remember the jack has to be adjusted right? Like if its a notch too far up or down it won't fit the mounts.
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Old Aug 31, 2017 | 09:39 AM
  #9  
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From: Kent, UK
Car: '85 IROC-Z
Engine: 305cid
Transmission: 5-speed
Re: Jack retention eyelet

Yeah, that was my first guess too. I had a play around with it a bit, but I think the two mounting points are fixed and separate from the ratchet mechanism.

I'll go back and have another tinker with it - it makes sense that adjusting the jack would make the holes fit!

Cheers,

N
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