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Stupid Steeroids question

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Old Oct 14, 2008 | 04:00 PM
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Default Stupid Steeroids question

Why do the aftermarket power steering kits use the steeroids type cylinder with the separate tie rod bracket attached to it. Why not use a mustang type rack and pinion with the tie rods connecting to the end of the rack?
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Old Oct 14, 2008 | 05:07 PM
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The difference you talk about is either center or end take off. With the end take off rack, the position of the 2 pivot points for the tie rods determine if it suits the front suspension or not. The C3 has a very narrow suspension when it comes to cross shaft distance. My brother did a lot of research on this and he has an end take off rack (front steering even) on his car but it won't fit without chopping up the whole car.

The center take off is actually a benefit in this case as you can adjust the center bracket for the proper bump steer geometry. True, an end take off rack is better suited to a double a arm suspension and front steer is preferable to rear steer but you have to use what works.

Oh, as far as the mustang rack, the Total Control Products rack is center take off too. The rack uses a woodward pinion and the rest is made by total control. The quality is about 100 times better than the cheap stuff you see in the steeroids and rack attack kits.
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Old Oct 15, 2008 | 09:04 AM
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I noticed Flaming River offers a bolt on manual rack and pinion (end takeoff, so that must be doable) specifically for vettes and they also have several modified (narrowed) power rack and pinion sets.
I was considering putting in a Flaming River tilt column in my 68 and was looking at other options. It just looked like the end takeoff would be a cleaner and easier install.
Gary

Originally Posted by V-Twin
The difference you talk about is either center or end take off. With the end take off rack, the position of the 2 pivot points for the tie rods determine if it suits the front suspension or not. The C3 has a very narrow suspension when it comes to cross shaft distance. My brother did a lot of research on this and he has an end take off rack (front steering even) on his car but it won't fit without chopping up the whole car.

The center take off is actually a benefit in this case as you can adjust the center bracket for the proper bump steer geometry. True, an end take off rack is better suited to a double a arm suspension and front steer is preferable to rear steer but you have to use what works.

Oh, as far as the mustang rack, the Total Control Products rack is center take off too. The rack uses a woodward pinion and the rest is made by total control. The quality is about 100 times better than the cheap stuff you see in the steeroids and rack attack kits.
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Old Oct 15, 2008 | 09:09 AM
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Yes, the flaming river rack is ETO but it's nowhere near ideal for bumpsteer geometry. The rack shaft is too wide. The fact that it fits doesn't mean it's a good solution. Check this out to learn something about the geometry:

READ THIS
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Old Oct 15, 2008 | 10:09 AM
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Thanks, good article.
Originally Posted by V-Twin
Yes, the flaming river rack is ETO but it's nowhere near ideal for bumpsteer geometry. The rack shaft is too wide. The fact that it fits doesn't mean it's a good solution. Check this out to learn something about the geometry:

READ THIS
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