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Old 04-28-2008, 07:10 PM
firedome
 
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power steering box with early hemi

Has anyone out there been able to find a way to make the stock Chrysler power steering box fit with an early Hemi - specificly a 330-341 DeSoto engine? The engine mounts in fine with standard 318 mounts and fits like a glove with no modifications, except the pitman shaft backlash adjuster on the steering box pokes right into #1 exhaust port. Lifting the engine up 1/2" clears it but creates several other problems, such as vertical centering in the engine compartment and the trans is too close to the tunnel. (I know a manual box will work but I like to be difficult!) Also, retro fitting rack and pinion steering will induce bump steer.
The look I'm trying to achieve is as stock appearing as possible for a '74 Road Runner.
I'm considering a machining modification to the pitman shaft but would like to see if anyone has solved this problem using....something! Anything!
I've searched my extensive library of info and the web but all I can find is that "it can't be done."
Any ideas?
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Old 04-29-2008, 12:14 AM
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There is no such thing as "can't be done"

I don't know exactly what is under those bulbous caps that house the sector shaft adjustment screw, but I do know that most all of that stuff is hardened and ground...Modifications to the shaft might prove to be difficult. Maybe you could make a new cap that was shorter and had a setscrew that locked up the shaft from the side after adjustment. .

Maybe you could drop the steering box down, and bend the pitman arm back up to bring the drag link back to it's previous level so you won't mess up your steering geometry. Keep in maind that doing that will make it so you have to bend the idler arm so it's effective length will be the same length as the pitman arm...Also this will get you a slower turning steering linkage and may cut your steering radius down.

Here is a total hack solution... How about cutting off the top of the screw and locknut after you adjusted it..then weld it up.

How about a saginaw box?

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Old 04-29-2008, 04:51 PM
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Since all of the early hemis use simple donut style engine mounts why not fab up a new set that raises the front enough to clear the steering box?
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Old 04-30-2008, 09:40 AM
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I've been fighting issues with headers on a dodge early hemi and the stock steering box. I had to lift 2" front and back to address the issue. There have been MANY other issues that came up like linkages hitting and needing to be fabricated to work right. The stock car exhaust manifold on the dodge was basically a log with a back outlet. Similar to the 318 a body ones. You may be able to fabricate a driver side exhaust that works in a similar way? I'd have to see what you are dealing with to come up with something.

Think exhaust plate from a custom header kit, with four slight bends up connecting to a log tube capped on the front, with an outlet right out the back, or where ever works. It may not be the most efficient IE header set up but it would probably work. Depending on your welding skills this may be an option.

I think there are plates on fleabay to make exhausts, or you could get one made using an exhaust gasket set as a pattern.

May not be pretty, but it could work.

Also if you are thinking of a modern spin on filter upgrade the vertical (filter down) one may have issues clearing the steering as well.
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Old 12-18-2012, 05:27 AM
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I'm trying to do more or less the same thing-putting a blown 331 hemi into a Ford F-100 with a 1980 Dodge Aspen graft. The power steering box is creating problems here too.I managed to shoehorn the 351 W I'm using now by offcentering the engine and using Mustang shorty headers, but I can't see how to put my new 331 to fit with PS. How did your project end up??
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Old 12-18-2012, 05:48 AM
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angle mill stock ?

some times you can angle Mill the cast iron manifold face to get a slight tilt for clearance.
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