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I am not even going to try an electric rack.
Difficulty would be extreme. It would take a lot of money and time to get it working. Then it still may not even work correctly.
As far as I know all the OEMs are still sticking with hydraulic steering on heavy duty applications.
Most of the OEMs have had major recalls on their electric assist steering that they put in small cars.
Recirculating ball gives a greater mechanical advantage and is easier to maintain. This is why it is still found on trucks and utility vehicles.
Just because something is new does not always mean its better.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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