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05-17-2021, 03:26 PM | #1 |
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Location: Minnesota
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Leaf spring eye bolt '51 Merc
I'm putting new leaf packs (McVeighs) on my 51. I didn't know that the front leaf spring hanger bolt is a forged rivet that needs to be wrecked and replaced. A replacement bolt is not easy to find on the internet. In fact info on this is pretty light in my research. Anyone here ever weld the original on back into the hanger bracket?
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05-17-2021, 04:38 PM | #2 | |
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Re: Leaf spring eye bolt '51 Merc
Quote:
As I recall, after removing the nut, soak the inner and outer areas with penetrating oil. Then the bolt gets driven or pressed out from the threaded end. As I recall the bolt is an assembly that has a large attached washer on the outer end.
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DON'T RECALL DOING SOMETHING FOR MYSELF BASED ON SOMEONE ELSE'S LIKES OR DISLIKES Last edited by 51 MERC-CT; 05-17-2021 at 05:17 PM. |
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05-17-2021, 05:50 PM | #3 |
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Re: Leaf spring eye bolt '51 Merc
If you have access to a lathe you can make those bolts. That's what I did. You might be able to modify a standard bolt if it has a long enough shank size.
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05-17-2021, 06:02 PM | #4 |
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Re: Leaf spring eye bolt '51 Merc
I imagine that it might be necessary to destroy one or two to get them out. They can get pretty crusty. I would check with Southside Obsolete for the 8M-5630-A or 0M-5630 shackle kits.
Last edited by rotorwrench; 05-17-2021 at 06:14 PM. |
05-17-2021, 06:55 PM | #5 |
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Re: Leaf spring eye bolt '51 Merc
Thanks for the replies. I've got everything apart except this bolt. Not very crusty.
So the washer on the threaded end comes off and then drive the bolt out like kind of like a modern wheel lug stud? |
05-17-2021, 07:14 PM | #6 | |
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Re: Leaf spring eye bolt '51 Merc
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Quote:
Protect the threaded end and drive/press it out.
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05-17-2021, 08:16 PM | #7 |
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Re: Leaf spring eye bolt '51 Merc
Thank you.
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05-17-2021, 08:40 PM | #8 |
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Re: Leaf spring eye bolt '51 Merc
I was able to find those bolts NOS for my 53 Customline.
I think from Carpenters. |
05-17-2021, 09:34 PM | #9 | |
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Re: Leaf spring eye bolt '51 Merc
Quote:
https://www.macsautoparts.com/rear-l...9-19386-1.html Carpenter out of stock
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DON'T RECALL DOING SOMETHING FOR MYSELF BASED ON SOMEONE ELSE'S LIKES OR DISLIKES Last edited by 51 MERC-CT; 05-17-2021 at 09:43 PM. |
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05-17-2021, 09:38 PM | #10 |
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Re: Leaf spring eye bolt '51 Merc
Wow, that's a great find. Wish I had known.
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05-17-2021, 10:08 PM | #11 |
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Re: Leaf spring eye bolt '51 Merc
Well damn. I searched using Bing and Google, and that never came up as a result. Thanks again. I'm ordering them.
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05-18-2021, 12:37 PM | #12 |
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Re: Leaf spring eye bolt '51 Merc
The 8A part number will fit the Fords and later 52/53 Mercury but I don't know if it will fit the 49 through 51 Mercury. The 49/51 Mercury cars had it's own part number 8M-5780-A. The length or pin diameter may be different. The 1949/51 Mercury also has its own bushings by part number.
General spring shows shackle kits for 49/51 Merc but no photo. Jamco Suspension sells the rear spring front single pin kit. They do a lot of custom stuff for Mercs. https://www.jamcosuspension.com/prod...wbolt-flb4951m FCRC machine also sells them and may be the manufacturer. http://fcrcmachine.com/rare-parts-re...mercury-35590/ Last edited by rotorwrench; 05-19-2021 at 11:37 AM. |
05-18-2021, 10:19 PM | #13 |
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Re: Leaf spring eye bolt '51 Merc
I got one side off. This bolt is useable as is. It was a bit of a struggle getting it out. The bushing was all swelled up from the squaw piss (P.B. Blaster).
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05-18-2021, 10:24 PM | #14 |
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Re: Leaf spring eye bolt '51 Merc
Good work. If you ruin the other one getting it out, you have a pattern from which to build a replacement. (When I was a kid, we made stuff like that from standard hardware store parts, my old man's drill press, and a couple of files.)
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05-18-2021, 11:00 PM | #15 |
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Re: Leaf spring eye bolt '51 Merc
Absolutely! I did order a couple from Mac's though. But by the time they get here I'll probably be rolling again. I am a lathe machinist by trade so making one wouldn't be a big deal but for $25 I figured I'd spend my lunch break eating lunch. Lol
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