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The 4th hole is for the 'rat trap' clutch mechanism fitted to some HK/T/G.
You could brace the box in some way, but I think it really only flexes, to any great extent, at parking speeds, when the effort is highest.
If you're chasing wandering on the open road, I'd be checking the bearings & lash in the steering box (& linkage) & most importantly the caster/camber of the front suspension. Original HT alignment specs aren't much chop with modern low profile radials.
Dr Terry |
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Yeah, scrub radius too far out will make it feel very twitchy.
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The extreme end of this problem happened to my car which was fitted with the original 16.7 :1 steering box and at that time running 8 inch rims, with the whole housing cracking somewhere between the base of the steering box housing section and the base of the alloy housing for the sector shaft (this was a long time ago but I think it was probably was between the upper and lower mounting bolts ) At that time I pulled this box out and threw it away. Fitted another one from a Kingswood which certianly lessened the amount of effort for low speed steering and from memory seemed ok at higher speeds . This result might be unlikely in your case but maybe worth a close look at the housing.
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...the steering box adjustment may be over tight, or the oil too heavy...this does cause wander and is not factored in greatly a lot of the time
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..slack steering with "skinny" tyres means trouble, whereby the same situation with wide tyres tends to negate the effect.. ...i'm pretty sure the 16:1 steering boxes were set up reasonably slack..and that set-up with the factory wider tyres when new tended to equalise the "feel" when driving at a decent clip.. ...Alan .. 20:1 steering and high speed are nothing but trouble....have you checked your S/B ratio?.... Edited by user Friday, 6 February 2015 6:19:07 AM(UTC)
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...i was thinking more like cambered roads or highways rather than flat tracks, where this situation/problem may manifest itself in a more pronounced way....
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I've seen early holdens with a brace from the steering box cover bolts to the inner fender/subframe.
Wouldn't this have a better effect on steering box movement ?
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...she looks the part, and nice wheels on the race car Alan .. are they original CanAm's?
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aaah Minilites...ooops!.....wasn't really sure about that term CanAm Alan...were they a wheel at all?
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