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Old 05-10-2011, 12:33 PM
SinistrV6's Avatar
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What limits the steering on a MII IFS?

Trying to finish up my chassis and the wheels turn way too far in both directions. I've seen travel limiting bolts before but this is my first MII setup. Do I need to weld a stop on? I've looked at tons of pics online and don't really see anything on the MII installs I've found.

Thanks,

Richard

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Old 05-10-2011, 09:13 PM
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There are internal stops in the steering rack.

Is your suspension a custom width, or the same as a stock Mustang II?

Andy
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Old 05-11-2011, 08:17 AM
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Well, it's on my '36 Chevy sedan so I guess that's considered custom. The rack that's on it is just for mock-up. I'll see how it acts when I put the power rack on it. As it is now, the wheels turn far enough to hit the lower shock mount.
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Old 05-11-2011, 08:55 AM
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Photos are worth lots of words. If you are using a Mustang/Pinto R&P, you might have more travel then you want or need. The Dodge Omni manual R&P on my '31 has almost the opposite situation as it is almost too limited - but it might be an option for you.

Dave W
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Old 05-11-2011, 10:34 AM
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Quote:
Originally Posted by SinistrV6
Well, it's on my '36 Chevy sedan so I guess that's considered custom. The rack that's on it is just for mock-up. I'll see how it acts when I put the power rack on it. As it is now, the wheels turn far enough to hit the lower shock mount.
What I was really asking if it is stock Mustang II width or not...

Andy
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Old 05-11-2011, 10:49 AM
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Quote:
Originally Posted by aosborn
What I was really asking if it is stock Mustang II width or not...

Andy

Sorry. Yes, it's a stock Ford unit.
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Old 05-12-2011, 09:06 AM
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I can't visualize how the tire would interfere with the traditional mounting of an MII shock. Considering it resides inside the coil spring. Then again I don't have any experience with OEM stamped arms, only tubular. On an air bag set-up the shock is mounted on the rear side of the control arm so I could see it interfering in this situation.


Quote:
Originally Posted by SinistrV6
Well, it's on my '36 Chevy sedan so I guess that's considered custom. The rack that's on it is just for mock-up. I'll see how it acts when I put the power rack on it. As it is now, the wheels turn far enough to hit the lower shock mount.
Did you set toe with the moch up rack? Or at least eyeball it?

Quote:
Originally Posted by Irelands child
Photos are worth lots of words. If you are using a Mustang/Pinto R&P, you might have more travel then you want or need. The Dodge Omni manual R&P on my '31 has almost the opposite situation as it is almost too limited - but it might be an option for you.

Dave W

The Omni is a rear steer so it won't work on the MII. I agree though, a couple pics would be worth a thousand words.

-J
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Old 05-12-2011, 09:45 PM
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Wheels are off right now but I'll post a pic when there're back on. It's an air ride setup with tubular uppers and lowers. I really just wondered where the stops were in the system since I almost never see any discussion about them. I'm putting a later model (Fox-body) power Mustang rack in it. I'll try to get it installed next week and see how it behaves.
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Old 04-30-2012, 10:32 AM
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I realize this is an old thread but in wrapping a few loose ends up this weekend, I realized I never resolved this issue. With the thousands of MII IFS equipped street rods out there, I CAN'T be the only one who's run into this (can I?). I've got the actual rack that I'm using in there now ('90 Mustang GT). I've attached a pic. I've actually got to replace the braided SS brake line on the other side because it got smashed between the wheel and the shock bolt.

I suppose I could shorten the tie rods until the rack will hit it's internal stops before my car hits it's physical limits.
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Old 04-30-2012, 11:51 AM
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Well, as aosborn indicated previously, there are internal stops. What I didn't realize is that an "off-the-shelf" rack doesn't come with any of those stops installed! I pirated two off of my old rack and it cured my issue on one side and almost cured it on the other side. I'll pick up a pack of the limit clips at the Ford dealership this afternoon.

For future searchers, the part # is N804842-S and they are 6.5mm thick and are sold in a pack of 4. There are apparently some thicker ones available but I don't have the part numbers for them. They are very easy to install, btw.

Pic isn't mine, found it online.
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Old 04-30-2012, 08:39 PM
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Quote:
Originally Posted by SinistrV6
Sorry. Yes, it's a stock Ford unit.
What he's looking for is whether the new xmember is wider then stock MII which is probably the case for your chevy. My 31 chevy xmember is 4" wider then stock to fit the frame and match the wheelbase. Uses Faimont tie rods that are 2" wider then MII.
I ran my brake lines from the front of the frame and avoided any pinching and could use 18" lines. Stock A arms.
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Old 05-01-2012, 09:15 AM
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Quote:
Originally Posted by SinistrV6
Well, as aosborn indicated previously, there are internal stops. What I didn't realize is that an "off-the-shelf" rack doesn't come with any of those stops installed! I pirated two off of my old rack and it cured my issue on one side and almost cured it on the other side. I'll pick up a pack of the limit clips at the Ford dealership this afternoon.

For future searchers, the part # is N804842-S and they are 6.5mm thick and are sold in a pack of 4. There are apparently some thicker ones available but I don't have the part numbers for them. They are very easy to install, btw.

Pic isn't mine, found it online.
Hey Richard,

Make sure your rack has been properly centered, I had this problem with my Maverick. I *thought* I'd remembered to do this during the build, but apparently not, because after driving a few miles I realized that the car had an excellent turn radius to the right but not at all to the left. There are prolly more "correct" ways to do this, but I ended up checking the distance from the rear edge of the front tire to the outer frame rail at both full lock positions and one was 1 1/2" more that the other...

Russ
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