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(1) 2 »

41 Front End Suspension
#1
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Gar
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It appears to me that my suspension (tie rod?) knuckles are too close to my front tires. There is less than a 1/2" gap between the inside of the tire wall and the knuckle. Is there an adjustment that I should make or did the prior owner install something backwards?

Thanks for your comments!
Gar


I have attached two pics.

Attach file:



jpg  20221121_144630.jpg (215.15 KB)
185433_637d1e8f67ffe.jpg 1440X1920 px

jpg  20221121_144616.jpg (142.90 KB)
185433_637d1ea20ae63.jpg 1440X1920 px

Posted on: 2022/11/22 14:10
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Re: 41 Front End Suspension
#2
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West Peterson
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I think it's supposed to be that close.
This is the best shot I have of my 180. You can see the tie rod end is very close.

Attach file:



jpg  404_4b952dd9117de.jpg (93.56 KB)
404_637d3ca5ac4a7.jpg 1024X688 px

Posted on: 2022/11/22 16:19
West Peterson
1930 Packard Speedster Eight Runabout (boattail)
1940 Packard 1808 w/Factory Air
1947 Chrysler Town and Country sedan
1970 Camaro RS

http://packardinfo.com/xoops/html/modules/newbb/viewtopic.php?topic_id=4307&forum=10

http://aaca.org/
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Re: 41 Front End Suspension
#3
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West Peterson
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One more, showing the arm and how close it is to the brake backing plate.

Attach file:



jpg  404_4b914a053384e.jpg (42.48 KB)
404_637d3fe82fc6b.jpg 500X666 px

Posted on: 2022/11/22 16:32
West Peterson
1930 Packard Speedster Eight Runabout (boattail)
1940 Packard 1808 w/Factory Air
1947 Chrysler Town and Country sedan
1970 Camaro RS

http://packardinfo.com/xoops/html/modules/newbb/viewtopic.php?topic_id=4307&forum=10

http://aaca.org/
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Re: 41 Front End Suspension
#4
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Gar
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My concern is if I hit a large pothole the tire may flex and the rod can gouge out the sidewall of the tire. (obviously not good) If I had an inch gap I would not be concerned, but since I am about 3/8" from the sidewall that worries me.
What would happen if I buy a short tie rod?

Thanks

Posted on: 2022/11/26 16:46
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Re: 41 Front End Suspension
#5
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Ozstatman
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Quote:
Gar wrote:....What would happen if I buy a short tie rod?
Me thinks a lot of toe out!

My '41 120 was like that, in putting over 20,000 miles on it before I sold it, nary a problem of rubbing on the tyres.

Posted on: 2022/11/26 18:11
Mal
/o[]o\
====

Bowral, Southern Highlands of NSW, Australia
"Out of chaos comes order" - Nietzsche.

1938 Eight Touring Sedan - SOLD

1941 One-Twenty Club Coupe - SOLD

1948 Super Eight Limo, chassis RHD - SOLD

1950 Eight Touring Sedan - SOLD

What's this?
Put your Packard in the Packard Vehicle Registry!
Here's how!
Any questions - PM or email me at ozstatman@gmail.com
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Re: 41 Front End Suspension
#6
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Owen_Dyneto
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As long as you don't have an oversized tire, I don't see any reason for concern. The engineers who designed these cars were professionals and certainly recognized such things as underinflated and flexing tires.

Additionally, I've never heard of the problem you suggest actually occuring.

Posted on: 2022/11/26 18:18
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Re: 41 Front End Suspension
#7
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JeromeSolberg
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The one thing that could possibly be amiss would be if you have wheels with the wrong offset, which would also be the only thing I could think you could change.

The solution you posit, a shorter tie rod, wouldn't do anything. The only thing that will get the tie rod end away from the tire without changing the wheel or using a spacer on the wheel would be a different steering arm, which would require quite some fabrication. As a point of fact, the position of the tie rod ends is related to need for proper steering geometry, which was worked out by Ackerman, and is based upon the track, the pivot points, the wheelbase, and the distance rearward of the front axle centerline the tie rod lies:

Ackerman Steering Geometry

Posted on: 2022/11/26 20:55
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Re: 41 Front End Suspension
#8
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Owen_Dyneto
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Good point Jerome, I hadn't thought of that possibility.

Posted on: 2022/11/26 21:58
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Re: 41 Front End Suspension
#9
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Gar
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OK... So if I check the tire specs and compare it to the original bias ply, I should have about 3/4" gap between my tie rod and the side wall. My current tire is a 235/75r15.

Per DB and Coker, if I replace it with a 820r15 that will give me the gap that I need.

Front tires are 15 years old, so I need to replace these tires as I will drive this car on tours. (Cheap insurance)

Gar

Posted on: 2022/11/28 14:12
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Re: 41 Front End Suspension
#10
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Packard Don
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Shouldn’t your car have 7.00 X 15?

Posted on: 2022/11/28 18:49
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