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#1 |
Senior Member
Join Date: Apr 2011
Location: Greeneville, TN
Posts: 127
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I am replacing the kingpins on my 37 and I could use some advice or tips. So far I have the new bushings installed in the spindles and I am ready to put the kingpins in but they seem very, very tight. Would it better to take the axle off and take the whole thing to a machine shop to have them pressed in?
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#2 |
Senior Member
Join Date: May 2010
Location: Ashland KY
Posts: 1,159
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They make a do it yourself reamer is a all you need,borrow one somewhere made especially for this .
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DON P |
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#3 |
Senior Member
Join Date: May 2010
Location: Gardiner Me.
Posts: 4,200
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If you've got the spindels off and the new bushing installed, They need to be reamed or honed to fit the pins. It's best to have them honed. take them to a auto machine shop and have them honed to fit the new pins. No need to remove the axel. Walt
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#4 |
Senior Member
Join Date: May 2010
Location: Napier, New Zealand
Posts: 2,001
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The bushes have to be reamed to 0.812" and there is a special reamer for this job.
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#5 | |
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Join Date: Jun 2010
Location: Kamloops B.C.
Posts: 392
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#6 |
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Join Date: May 2010
Posts: 232
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#7 |
Senior Member
Join Date: Jun 2010
Location: North of Minneapolis, MN
Posts: 160
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Just finished this job on my Mercury.
Bought an adjustable reamer for $29 and reamed them myself. It needs to be a long reamer that will act as a pilot to keep the top and bottom aligned. Easy job. My wife actually did the reaming (which after 20 years, she is quite good at) I mean she did the reaming of the spindles...Boy, I hope she doesnt read this. I'll really get reamed for that comment. Anyways, back to the kinkpins, i just kept increasing the diameter ever so slightly until I could press the kingpins in with the palm of my hand. Good luck with yours Todd |
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#8 |
Senior Member
Join Date: May 2010
Location: Montgomery, NY & Port St. Lucie Florida
Posts: 939
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I bought a reamer from Dick Spadaro, it worked perfectly. On 42 - 48 spindles make sure you line up top and bottom bushings. Ask me how I know.
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Early Ford Lock & Key Service https://www.fordbarn.com/forum/showthread.php?t=46583 |
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#9 | |
BANNED
Join Date: May 2010
Location: nor~cal
Posts: 455
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#10 |
Senior Member
Join Date: May 2010
Posts: 232
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Read attachment---It's a lot of work, why not do it right and get the extra miles.
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#11 |
Senior Member
Join Date: Apr 2011
Location: Greeneville, TN
Posts: 127
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Dropped the spindles off today at local machine shop to be honed. Will pick them up Monday. I appreciate all the advise.
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#12 |
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Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,565
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The Sunnen hone system is a good set up and works very well for most applications. I think they work best on hard materials. On softer materials they have a tendency to leave microscopic bits of grit embedded into the surface. I'm sure it isn't a giant big issue but due to this I've always prefered the purpose built multi fluted reamers that were specifically made for align cutting the king pin bushings. I have one for the Mercury cars of 49 thru 51 that use the larger pins but haven't purchased one yet for the Ford 7/8" pins that were a lot more common. I have a whole set of adjustables and they do have a tendency to cut a jittery bore that will wear faster, The purpose built ones will cut a much smoother bore.
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#13 |
Senior Member
Join Date: May 2010
Location: new britain,ct 06052
Posts: 9,397
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Those bushings done with a hone properly are going to outlive you and me and I don't know how old you are. FWIW
Paul in CT |
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#14 |
Senior Member
Join Date: Apr 2011
Location: Greeneville, TN
Posts: 127
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Picked up the spindles today and they are now on the truck. I truly appreciate all of the answers and there will be many more as I continue with this restoration.
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