'64 Valiant Steering box

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BobW

BobW

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Will a '67 Cuda power steering box fit in my '64 Valiant (with power steering)?
Are the steering shafts the same size?
Pitman arms?
 
The boxes SHOULD interchange. Later boxes had two changes. The splines on the pittman arm changed. That is, later boxes had a larger spline. And, the bolts fixing the box to the K-member were larger on later or bigger cars. If the box you have now bolts in, you're fine. 67 to 64 shouldn't be a problem if it was an A-Body box.
 
C130 Chief said:
The boxes SHOULD interchange. Later boxes had two changes. The splines on the pittman arm changed. That is, later boxes had a larger spline. And, the bolts fixing the box to the K-member were larger on later or bigger cars. If the box you have now bolts in, you're fine. 67 to 64 shouldn't be a problem if it was an A-Body box.
Click to expand...
"Research" on Rock Auto shows different pittman arms, although the same "research" dhows the Lares 1033 rebuilt box fits both years/models, with the caveat 'use your original pittman arm'!
I'll measure mine and compare the '67 Cuda one at the sellers. Assuming he has the pittman arm on the box.
My question is the pittman arm geometry the same?
 
Different pitman arm. You might have to use the 65 lines and centering valve. Both should be small output spline. Both will bolt up the same.
 
OK so now it's a moot point, major brainfart by me.....:BangHead:
Replaced the outer tie rod end that was bad, got my main helper, the wife, out to turn the wheel while I was checking everything underneath.
The entire steering box was moving! :wtf:
Got that tightened down, one bolt about 1/4 turn, the other 2 about 1 1/2 turns!
That snugged things up considerably, drove down the road with little drama, just have to get an alignment.
Lots of turns with that large wheel & the power steering, I have a smaller Grant wheel I'l try, should be less overall hand movement. I'm used to 2 1/2 turns lock to lock on my Pontiac streetrod.
But thanks for all the help :thankyou: :thumbsup:
 
The power box has fewer turns lock to lock( about 16:1) than the standard 24:1 manual box. The power box is pretty much the same unit from '62-72 on the A, B, and E,bodies. There are some appearance differences and the return line and pressure line fittings are sometimes different, but, they should swap over. Changing over the whole valve would require you to re-center it for proper operation. That's a delicate procedure, and if you're not careful, that can be a messy job! The '64-up C-body and the '73 and later Mopars used the large pitman shaft. If those mounting bolts were loose for some time, you may want to check the ear holes in the box to see if they got too egg-shaped, resulting in a thin edge that might break.
 
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Current status/update: After finally getting all the steering tie rod parts and the steering box itself tight to the frame, I finally RTFM and discovered the correct method for tightening the steering box play. Doh!
That and 4 new KYB shocks and this Valiant steers and rides as it should!
 
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