Column and drop
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Senior User
Joined: Jun 2004
Posts: 232
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Column and drop
I have a 30' column ordered for my 55 and I was wondering if there is a hard and fast standard for the column drop. I have heard 4.5", but with this much drop it looks like it will make it more difficult to meet the power ram shaft on the Mustand IFS. I understand that there will be 2 u-joints and two shafts along with probably a stabilizing bearing involved, but I am wondering if a 3.5" drop may be better. It could be that the hole the existing column is exiting may be in the wrong place right now. Any suggestions for exit measurements, drops, etc would be great.
Clean & Classy
Joined: Dec 2004
Posts: 1,656
Likes: 20
From: Riverside CA..
Ï replaced the floor plate with one from "No Limit" that relocates the base of the column for an improved steering angle. Only two U-joints and one shaft is necessary for hooking up to a MII. I am only using a 3 1/2 "drop for my F.R. column
Clean & Classy
Joined: Dec 2004
Posts: 1,656
Likes: 20
From: Riverside CA..
It is No Limit Engineering.
I noticed in Mid Fifty's catalog they are showing three of them with the hole in different positions. The one they are recommending for MII is 5" from botton edge to center of the column. I'm pretty sure that is the same as mine.
I noticed in Mid Fifty's catalog they are showing three of them with the hole in different positions. The one they are recommending for MII is 5" from botton edge to center of the column. I'm pretty sure that is the same as mine.
Are we there yet?
Joined: Mar 2006
Posts: 1,098
Likes: 64
From: NW Valley AZ
Correct me if I'm wrong but isn't the drop dimension only to position the steering wheel?
I have a 4.5" drop and I am planing to reduce it to a 2.5" drop to move the steering wheel closer to the dash. I don't think this will have an effect on the steering linkage.
Maybe someone could shed some light on that...
I have a 4.5" drop and I am planing to reduce it to a 2.5" drop to move the steering wheel closer to the dash. I don't think this will have an effect on the steering linkage.
Maybe someone could shed some light on that...
Senior User
Joined: Feb 2011
Posts: 258
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From: Tucson Arizona
Don't know if this helps but I used a 30" column going through the stock hole in the floor boards and this is how it worked out. Heidt M2 power unit. 4-1/2" drop. Length of drop has very little effect.
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Hotshot
Joined: Oct 2004
Posts: 15,882
Likes: 88
From: Durham NC
Drop is going to depend on the wheel diameter and center drop, seat height, how much "hangover" you have, and your preferred driving position. Drop length is going to have little to no impact on the hookup between the column and box. I'd suggest making a dummy temporary drop and mocking everything up and sit in it for a while (at least 10-15 min, make motor sound while you pretend to drive if no one else is around) to see if you are happy with the length. Ididit and Flaming River offers several drop lengths for their columns, and you can further adjust with a spacer between the drop and dash bottom.
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Joined: Dec 2008
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From: Waleska, GA
Correct me if I'm wrong but isn't the drop dimension only to position the steering wheel?
I have a 4.5" drop and I am planing to reduce it to a 2.5" drop to move the steering wheel closer to the dash. I don't think this will have an effect on the steering linkage.
Maybe someone could shed some light on that...
I have a 4.5" drop and I am planing to reduce it to a 2.5" drop to move the steering wheel closer to the dash. I don't think this will have an effect on the steering linkage.
Maybe someone could shed some light on that...
Cross-Country
Joined: Nov 2003
Posts: 57
Likes: 0
From: Central Texas
I started out at 4.5" drop but ended up at about 3 after I fabbed my seat mounts. I like to sit a bit high in a truck and needed to adjust the column height. I mocked up the mount with wood blocks to begin with. The lower end exits through the original floor panel area but only about half the column, the top half of the column is actually in the upper floor board just above the bend. I made a new floor panel from 16 ga. steel using the two halves as a pattern. pretty simple actually.
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