early A spring bracket bolts

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snate66

snate66

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I have been hunting( unsuccessfully) for the press in knurled bolts for the front leaf spring eye brackets, They are 5/16 NF about 1 inch long pressed into the 3/16 plate.

Thought that Dorman, McMaster Carr or Fastenal would have them but no luck.
I was planning to make new brackets to raise the eye a bit and get the back end back down after the new 6 leaf springs kicked it up. would rather keep the original brackets whole instead of knocking the bolts out and reusing them.
 
snate66 said:
I have been hunting( unsuccessfully) for the press in knurled bolts for the front leaf spring eye brackets, They are 5/16 NF about 1 inch long pressed into the 3/16 plate.

Thought that Dorman, McMaster Carr or Fastenal would have them but no luck.
I was planning to make new brackets to raise the eye a bit and get the back end back down after the new 6 leaf springs kicked it up. would rather keep the original brackets whole instead of knocking the bolts out and reusing them.
Click to expand...
I just turned the bracket over, had to re drill a couple holes but lowered the front of the spring about 2 inches.
 
Mopar Tim said:
I just turned the bracket over, had to re drill a couple holes but lowered the front of the spring about 2 inches.
Click to expand...
Ya, an option but I did not want to modify the holes. After all the measuring I only need to raise the holes around 1 inch and have already made the brackets. I see that a few companies sell brackets ($65-$90) They have the stock and 1.5 " higher hole and larger mounting studs.
 
i just went to "fastenal" and bought grade 8 bolts for the brackets i made,but i think grade 5 would be fine.I also drilled my holes a hair bigger so i'd have some "wiggle" room
 
ir3333 said:
i just went to "fastenal" and bought grade 8 bolts for the brackets i made,but i think grade 5 would be fine.I also drilled my holes a hair bigger so i'd have some "wiggle" room
Click to expand...
5/16 fine thread knurled press fit bolts? The reps I spoke with only could find 1/4" course thread stainless. They called them Hurricane fittings. Dorman does not list any Wheel studs smaller than 7/16".
I might be picky about this! Maybe because I have time and not in a rush to complete this.
 
snate66 said:
5/16 fine thread knurled press fit bolts? The reps I spoke with only could find 1/4" course thread stainless. They called them Hurricane fittings. Dorman does not list any Wheel studs smaller than 7/16".
I might be picky about this! Maybe because I have time and not in a rush to complete this.
Click to expand...

that's o.k...i just used grade 8 5/16" bolts with lock nuts and washers
 
the nice thing about bolts is like i said...you can drill your mounting holes a hair larger and the room afforded for adjustment may come in handy.I have seen springs and pads each out 1/4" or more.It can throw you out side to side or up and down 5/8".But having the satisfaction of factory style parts is nice too!
 
brad2v said:
Visit your local Chrysler dealer. Part number is 2403247, still avail as of today
Click to expand...
Looks like that might be a 3/8 course thread bolt. ( if the Mancini Racing number cross reference is good.) Its closer than the rest I have found and might have to do. I don't want to drill out any of the holes in the car if I don't have to.
I will have to do some more measurements when I get home.
 
Hmm. That's the # in the '64 and the '66 parts catalog, but they don't give dimensions. Mancini's site sure looks like the correct info though. What year is your car?
 
brad2v said:
Hmm. That's the # in the '64 and the '66 parts catalog, but they don't give dimensions. Mancini's site sure looks like the correct info though. What year is your car?
Click to expand...
Ok, It looks like I had some wrong information and another case of mixed parts on the old part/donor car. Both cars are 66 but one had two different sizes. The part number for the 3/8 hub stud bolts are correct. Thank you.
Dealers are charging $7 a bolt! AMK products are making them and selling sets of 8 for $20. I bought mine through Mancini since the AMK has minimum order limits. Brackets are made from 3 1/2 square tube 3/16 steel with one side cut off and used for an extra plate on the forward side of the frame. Moving the spring eye bolts up 1 inch to get the rake down just enough. .

Photos are not loading for me at the moment.. hmm
 
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