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Old 02-28-2020, 06:04 AM   #21
chrs1961815
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Default Re: Spring Perch Troubles

It is becoming more and more apparent that whoever did the work on the car was not qualifies what so ever at all. After heating those nuts up and burning the paint off, It looks like they painted over rusty metal. For all I know these things have NEVER been removed...
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Old 02-28-2020, 12:05 PM   #22
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Default Re: Spring Perch Troubles

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It is becoming more and more apparent that whoever did the work on the car was not qualifies what so ever at all. After heating those nuts up and burning the paint off, It looks like they painted over rusty metal. For all I know these things have NEVER been removed...
Well, the axle I did without removing the perches had never been removed. This on an axle painted "machinery green." But with the bushings removed, the perches seemed "good enough."

As in "don't fix it if it ain't broken."

Back then people looked on paint as a "sacrificial coating" - and applied on an "as needed basis." I blasted the whole axle without removing the wishbone, painted it black Rustoleum gloss and its the axle under my car now. The wishbone ball was, um, ok.

Joe K
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Old 02-28-2020, 12:16 PM   #23
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Default Re: Spring Perch Troubles

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Why are you removing the perches??
Paul in CT
Ditto
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Old 02-28-2020, 12:35 PM   #24
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Default Re: Spring Perch Troubles

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When my brother and I were straightening axles it was easy to tell which ones were heated, it took 1/2 the pressure to bend them compared to ones that didn't get heated red, and there's little bounce back
This makes sense metalurgically. As you heat it beyond the transition point, you "anneal" the axle and reduce any "cold work" that brought it to the hardened finished condition.

When annealed, you're starting in the range of basic metal with basic grain structure, and carbon steel has an ultimate tensile strength of 60KSI. Chrome-vanadium steel perhaps 75KSI.

When "work hardened" such as the work necessary to produce an axle in a press, the metal can harden to greater than double the annealed tensile strength - but this comes at a price of decreased malleability and increase in tendency to crack. Part of Ford's genius connected with vanadium steel is bringing the steel to that "optimized" point for the application.

By heating it to cherry red, you anneal. You may work-harden some in the hammering and twisting to new shape, but the process isn't near as controlled as Ford's press, his axle cross-sections, or any furnace tempering Ford may do afterwards - all properties bending an axle can mess with.

As I say though. I can't think of a single instance of someone losing an axle end and attributed to "lowering" to make a Rod.

Ah - what we do in seeking "style" - however we perceive it to be.

And perceptions may vary. Around here we make fun of a car that "strikes sparks" as it passes over the railroad tracks. In some parts of the country its considered "manly" - or something.

"Optimal lowness" can be dialed in at the dashboard on many of these. Along with neon blue undercar lighting.

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Old 02-28-2020, 12:54 PM   #25
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Default Re: Spring Perch Troubles

Dupe
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Old 11-24-2020, 08:20 AM   #26
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Default Re: Spring Perch Troubles

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Old 11-24-2020, 10:05 AM   #27
KenBolton
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Default Re: Spring Perch Troubles

Have you run a punch through the cotter key hole to make sure no pin is left?
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Old 11-25-2020, 05:31 PM   #28
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Default Re: Spring Perch Troubles

When I first read the title I was ready to chime in with some good advice ... Spring is the best time for Perch. Recommend a light spinning rod, 6 pound monofilament and good fresh emerald shiner minnows. Have the frying pan at the ready...

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