70 Duster steering ???
#3269994
11/12/24 08:00 AM
11/12/24 08:00 AM
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Joined: Jan 2008
Posts: 413
Big Island ,VA
JC Childress
OP
mopar
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OP
mopar
Joined: Jan 2008
Posts: 413
Big Island ,VA
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I have a bone stock 70 340 Duster. Just replaced ball joints, tie rods, etc. I drove it down the street and good gracious...this thing has the most sensitive steering I've ever experienced. My dad drove it and he agreed. It does have power steering. Any input,suggestions or advice ?
J.C. Childress
(434) 665-9541
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Re: 70 Duster steering ???
[Re: topside]
#3270026
11/12/24 10:52 AM
11/12/24 10:52 AM
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Joined: Sep 2003
Posts: 20,536
north of coder
moparx
"Butt Crack Bob"
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"Butt Crack Bob"
Joined: Sep 2003
Posts: 20,536
north of coder
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i have a [factory] saginaw pump on my charger, and i followed e-booger's advice on shimming the spool valve in the pump. i added a couple more washers than he recommended in that article, and MAN, what a difference that made ! as my car is not original, and the next caretaker can "restore" it if he/she wants, i could have gone with the borg [?] box, but the shimmed spool valve was a super cheap and easy way to improve the "feel" of the over assisted factory box. as the car just turned over 19k original miles a couple of weeks back, it still has the original box, pump, and hoses, but very early in my ownership, i changed the factory woodgrain steering wheel to a 13" grant wood wheel to [kind of] slow down the factory steering. it still has that same grant wood wheel today. 
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Re: 70 Duster steering ???
[Re: topside]
#3270206
11/13/24 11:29 AM
11/13/24 11:29 AM
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Joined: Jan 2005
Posts: 4,555
Michigan
MarkZ
Worthy
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Worthy
Joined: Jan 2005
Posts: 4,555
Michigan
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I've done the shimming trick on the PS pressure valve and while it did help, don't expect a world of difference. You'll still have the slop at 12 'o clock too. I was never happy with the steering until I swapped in a Borgeson steering gear. Not cheap though. If it's something you're interested in doing I recommend contacting Bergman Autocraft and using their column adapter.
1987 Fifth Avenue - 512/518/D60
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Re: 70 Duster steering ???
[Re: moparx]
#3270576
11/15/24 09:42 AM
11/15/24 09:42 AM
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Joined: Jan 2004
Posts: 8,833
fredericksburg,va
cudaman1969
Itch Nutz
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Itch Nutz
Joined: Jan 2004
Posts: 8,833
fredericksburg,va
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i have a [factory] saginaw pump on my charger, and i followed e-booger's advice on shimming the spool valve in the pump. i added a couple more washers than he recommended in that article, and MAN, what a difference that made ! as my car is not original, and the next caretaker can "restore" it if he/she wants, i could have gone with the borg [?] box, but the shimmed spool valve was a super cheap and easy way to improve the "feel" of the over assisted factory box. as the car just turned over 19k original miles a couple of weeks back, it still has the original box, pump, and hoses, but very early in my ownership, i changed the factory woodgrain steering wheel to a 13" grant wood wheel to [kind of] slow down the factory steering. it still has that same grant wood wheel today. Do you have a picture of what you’re saying?
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Re: 70 Duster steering ???
[Re: cudaman1969]
#3270589
11/15/24 11:37 AM
11/15/24 11:37 AM
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Joined: Sep 2003
Posts: 20,536
north of coder
moparx
"Butt Crack Bob"
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"Butt Crack Bob"
Joined: Sep 2003
Posts: 20,536
north of coder
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unfortunately, i don't. however, i scanned the page from the FSM showing the pump and valve i'm talking about. in the exploded view of the valve, it shows two shims. i added a bunch more, but i forget just how many. they need to be approximately 1/2" od x 3/8" id [if i remember right] i used copper caliper washers that had a 3/8" id, and turned them down on the lathe. if a lathe is not available, one could stack several of these washers on a tight fitting bolt, tightened with nuts on both sides, then chuck them in a drill press and use a semi-course file to rough them to almost the 1/2" size,then finish sizing them with a smooth file. hopefully, the scanned page will be big enough to see.
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