Sounds like the pitman arm or steering shaft might be off by a few teeth unless it's got a keyed spline.I'd have to see it to really tell but be my first thought
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Bad cop no donut 77 monte 14.12 @99.33mph on a bad tranny with the 350/350
after taking it apart again today i see that when the box is disconnected from the centerlink the suspention moves more so my guess is the box was rebuilt wrong.
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1980 Malibu BBC T-56
"The beauty of the Second Amendment is that it will not be needed until they try to take it." Thomas Jefferson
Etsi ambulavero in valle umbrae mortis, non timebo malum quoniam tu mecum es
John, the steering should travel more than the box can. That box should have a 3 master splines where the pitman arm goes. It sounds like your off 1/3 of the travel. Take the pitman arm off, center the box and then center the wheels. It should be pretty close. I've had one box that had a twisted sector shaft and it made the steering wheel sit almost 180 degrees off.
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There is no such thing as Too Many Montes Member of the Motley Cruisers Car Club