Steering, Suspension, & Brakes

tips, technology, tools and techniques related to non-driveline mechanical components

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psmg
Paul Schils
Fredonia, WI
(86 posts)

Registered:
12/13/2007 10:27AM

Main British Car:
1973 MGB-GT, Buick 215 1971 MGB RD, SBF 302

authors avatar
Re: Electric power rack steering
Posted by: psmg
Date: January 30, 2015 05:15PM

Page 3
relocated steering control (600x338).jpg


Bruno controller, heat sinc and steering controller (600x338).jpg


50 amp fuse holder, Bruno control pot, mounted column (600x338).jpg



Edited 1 time(s). Last edit at 02/24/2015 06:25PM by psmg.


Capt'n Moorgone
Mike Moor
Angola,IN
(114 posts)

Registered:
11/20/2008 07:05PM

Main British Car:
1973 MGB 300 Buick

authors avatar
Re: Electric power rack steering
Posted by: Capt'n Moorgone
Date: January 30, 2015 06:25PM

Way to go Paul! That looks really sweet. You'll be amazed when you drive it.
Waiting for Indy, Mike


74ls1tr6
Calvin Grannis
Elk Grove,CA
(1150 posts)

Registered:
11/10/2007 10:05AM

Main British Car:
74 TR6 / 71 MGB GT TR6/Ls1 71 MGB GT/Ls1

authors avatar
Re: Electric power rack steering
Posted by: 74ls1tr6
Date: January 30, 2015 11:46PM

Very nice clean install Paul!

For anyone looking to do this conversion and don't have a wrecking yard close by....Here is one on e-bay for $179.00 right now!. It has everything from steering wheel down out side the fire wall. It came out of a 2007 Saturn Vue. The air bag is out of the steering wheel. It will cost a lot more if it is in there when you pull out of a wrecking yard. Its in Saint Louis MO...They want $75 to ship.

[www.ebay.com]


Charles
Charles Long
McDonald, TN
(177 posts)

Registered:
09/15/2013 08:54AM

Main British Car:
1966 MGB V6 1994 Camaro 3.4L 60V6

authors avatar
Re: Electric power rack steering
Posted by: Charles
Date: February 10, 2015 09:36PM

Mike, "holy shazam MOORGONE" it's alive. Took the B for a test ride today, steering much more better.
charles


Bv8nc
Mike Peacock
Wilmington, NC
(10 posts)

Registered:
02/23/2015 04:48PM

Main British Car:
1977 MGB Roadster Rover 3.9

Re: Electric power rack steering
Posted by: Bv8nc
Date: February 23, 2015 05:16PM

Mike, Charles and Paul:

Thanks for sharing your experiences with the EPS conversion and posting pictures. I admire your abilities to attack a project and make something work that's not yet mainstream. I have a 77' B and I've gotten my used Saturn EPS and have my controller on order. I'll try to follow in your footsteps, but I have a few questions:

Mike and Paul, it appears that you both modified the upper outer column in the same way, but used somewhat different approaches on the lower outer column. Mike, is the weld between your fabricated lower tube and the original Saturn mounting bushing the only point of attachment for the lower tube? If there's another attachment, how did you do it? Paul, I'm assuming you fabricated the two-eared flange that mounts the lower tube to the EPS housing? What gage steel did you use for the flange and what diameter tubing is welded to the flange? Also, did you use exhaust tubing for part of the column as Mike did? Mike, what diameter of tubing did you start with at the EPS and finish with at the original MGB lower column mounting point?

It seems like everyone is relocating the control unit away from the motor. Is that just for cosmetics or would it hang low enough to hit it with your legs?

Is everyone comfortable with the strength of the modified column and it's mounting points in the MGB? It seems to me that the modified outer column might be subjected to some twisting forces not present in the original MGB design. The Saturn donor incorporates a robust mount on the EPS body, which we're deleting. Just thought I'd throw that out for consideration.

Thanks in advance for any answers, suggestions or additional pictures you can offer.
Mike



Edited 2 time(s). Last edit at 02/23/2015 06:16PM by Bv8nc.


psmg
Paul Schils
Fredonia, WI
(86 posts)

Registered:
12/13/2007 10:27AM

Main British Car:
1973 MGB-GT, Buick 215 1971 MGB RD, SBF 302

authors avatar
Re: Electric power rack steering
Posted by: psmg
Date: February 24, 2015 01:44PM

Mike,
I did make a mounting flange from 1/8" plate. I drilled a 2 1/2" hole in the flange and tig welded (silicon- bronze filler rod) a 2 1/4" to 2 1/8" reducer (Walker# 41854) to the plate. ( I drilled an access hole in the reducer to enable tightening the bolt on the lower universal joint.) To that I welded a 2" to 1.5" reducer (Walker# 41886) to align with the expanded metal of the original column. This enabled me to retain part of the collapsible column. I used longer metric bolts through the gear reducer unit to fasten the lower tube. I did make some spacers to keep the ears from bending in when securing.
Electric  Power  Steering 024 (600x450).jpg

lower steering housing (450x600).jpg

Electric  Power  Steering 025 (600x450).jpg

If you need any thing else, let me know.
BTW I can second everything Mike and Charles said. This works great.



Edited 1 time(s). Last edit at 02/24/2015 06:21PM by psmg.


Capt'n Moorgone
Mike Moor
Angola,IN
(114 posts)

Registered:
11/20/2008 07:05PM

Main British Car:
1973 MGB 300 Buick

authors avatar
Re: Electric power rack steering
Posted by: Capt'n Moorgone
Date: February 25, 2015 08:18AM

Hi Mike,
My lower is only welded to the brace in that one area. At first I was concerned about rotational force on the column, but once it was installed the unit is very firm. The two mount bolts on the upper seem to be taking the force fine. I see there are two bolts under the shelf that I could use to mount a "U" shaped bracket and tie back to the lower tube if any weakness shows up. I'm really waiting to get some more road test time to check everything out.
Relocating the box isn't needed for leg room, it is just looks for me. At 5"11", it didn't hit my legs.
Mike



Bv8nc
Mike Peacock
Wilmington, NC
(10 posts)

Registered:
02/23/2015 04:48PM

Main British Car:
1977 MGB Roadster Rover 3.9

Re: Electric power rack steering
Posted by: Bv8nc
Date: February 25, 2015 09:41PM

Thanks guys, I appreciate the information !
Mike


mstemp
Mike Stemp
Calgary, Canada
(200 posts)

Registered:
11/25/2009 07:18AM

Main British Car:
1980 MGB Rover 4.6L

Re: Electric power rack steering
Posted by: mstemp
Date: February 26, 2015 01:05PM

For those of us without the fabrications skills, one of you could have a business opportunity here! Sure there are others who wants this type of product without the $2K UK costs.


Charles
Charles Long
McDonald, TN
(177 posts)

Registered:
09/15/2013 08:54AM

Main British Car:
1966 MGB V6 1994 Camaro 3.4L 60V6

authors avatar
Re: Electric power rack steering
Posted by: Charles
Date: February 26, 2015 09:43PM

Mike P, here is what I did. Unit installed in 66 B. I used late model B upper column because of damage to orignal shaft.
left MGB right Vue.jpg
left MGB right Vue
left Vue lower, right B lower.jpg
left Vue lower right B lower
unit assembled with mods..JPG
unit assembled with mods
upper column housing.JPG
upper column housing with mods

charles


Charles
Charles Long
McDonald, TN
(177 posts)

Registered:
09/15/2013 08:54AM

Main British Car:
1966 MGB V6 1994 Camaro 3.4L 60V6

authors avatar
Re: Electric power rack steering
Posted by: Charles
Date: February 26, 2015 09:49PM

Mike P, a couple more pictures,
mods to mount column housing.JPG
mods made to cross bar for support for column housing
mounting brackets for EPS head.JPG
mounting brackets for EPS head

I did relocate the controller, like Mike M. said may not be needed. If you do relocate the controller be carefull and don't ask me why.


Bv8nc
Mike Peacock
Wilmington, NC
(10 posts)

Registered:
02/23/2015 04:48PM

Main British Car:
1977 MGB Roadster Rover 3.9

Re: Electric power rack steering
Posted by: Bv8nc
Date: March 02, 2015 10:03AM

Hi Charles,

I just took a moment to check the forum and saw your post. Very interesting!
If I'm correct, it looks like you've stayed close to the Saturn mounting design and don't use a full length MGB type lower outer tube. I'm assuming you use the very lower part of the MGB outer column simply to act as a bearing where the shaft exits through the footwell firewall ??
I had the same thought as Mike Stemp, regarding a cottage industry for one of you, but with the details you guys have provided, it seems pretty straight-forward.

Thanks again, to all three of you.

Mike



Edited 1 time(s). Last edit at 03/02/2015 10:08AM by Bv8nc.


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(5821 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: Electric power rack steering
Posted by: BlownMGB-V8
Date: March 02, 2015 01:30PM

I like the idea of retaining the collapsible part of the steering column. Plus if one of you guys made a kit you'd have to have that feature.

Jim


Charles
Charles Long
McDonald, TN
(177 posts)

Registered:
09/15/2013 08:54AM

Main British Car:
1966 MGB V6 1994 Camaro 3.4L 60V6

authors avatar
Re: Electric power rack steering
Posted by: Charles
Date: March 02, 2015 10:41PM

Guys, the early B never did have any part that was collapsible, just a straight through shaft. I have considered using a late model unit with the collapsible function.
I have no thoughts of trying to work up a kit for this, worked to hard to get what I have. As far as the adaptive control function, well there is no other adaptive anything on this car.

See you guys in Indy if not before
charles


Bv8nc
Mike Peacock
Wilmington, NC
(10 posts)

Registered:
02/23/2015 04:48PM

Main British Car:
1977 MGB Roadster Rover 3.9

Re: Electric power rack steering
Posted by: Bv8nc
Date: March 03, 2015 10:29AM

Yes, the collapsible column (at least in the USA) was introduced for 1968 production, with the Federal Safety Standards.
Probably in todays litigious society any steering modification would involve way too much legal exposure to the seller to be financially worthwhile unless they're making big money and have some control over the contents of the kit and the installation process. There goes your creativity and our inexpensive power steering.



Edited 1 time(s). Last edit at 03/03/2015 10:33AM by Bv8nc.



BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(5821 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: Electric power rack steering
Posted by: BlownMGB-V8
Date: March 03, 2015 10:53AM

It could be done as a kit with the major assembly steps done, leaving some of the assembly and the install to the owner. With the appropriate disclaimers of course. The collapsible feature would be a necessity.

Jim


mstemp
Mike Stemp
Calgary, Canada
(200 posts)

Registered:
11/25/2009 07:18AM

Main British Car:
1980 MGB Rover 4.6L

Re: Electric power rack steering
Posted by: mstemp
Date: March 03, 2015 11:45AM

Jim,

Just as Fast Cars lists on their front sub-frame, "For Racing Only". That sort of disclaimer might suffice all the safety nannies.


b6281t
Robert Stolt
Glenwood City, WI
(16 posts)

Registered:
03/01/2015 10:39AM

Main British Car:
77 MGB 2008 GM 3800 with T5

Re: Electric power rack steering
Posted by: b6281t
Date: March 03, 2015 10:03PM

Hi guys first time poster here thought you might like to see my twist on the poweer steering install.
IMG_0329.JPG
flipped unit to tuck motor up under dash
IMG_0331.JPG
Used a stamped steel pillow block housing for the front mount still need to fab tabs on front of dash support
IMG_0324.JPG
I used a section of pinion shaft off a junk rack & pinion and a Woodward steering u joint (part # UA114109 ) to connect to the MGB u joint
found a 3/4 " id bearing and 3 bolt flange at a farm supplie store that fit the shaft and bolted too my car like it was made for it
IMG_0328.JPG
Fire wall mounting bracket


mgb260
Jim Nichols
Sequim,WA
(2004 posts)

Registered:
02/29/2008 08:29PM

Main British Car:
1973 MGB roadster 260 Ford V8

Re: Electric power rack steering
Posted by: mgb260
Date: March 04, 2015 06:12AM

Very nice install!


Bv8nc
Mike Peacock
Wilmington, NC
(10 posts)

Registered:
02/23/2015 04:48PM

Main British Car:
1977 MGB Roadster Rover 3.9

Re: Electric power rack steering
Posted by: Bv8nc
Date: March 04, 2015 09:44PM

Hi Robert,

I'm curious why you chose not to use the MGB upper outer column mount, which mates with the dash bracket ?
I really like your firewall mounting bracket ! If there were one piece it would be nice to be able to buy ready-made it would be that.

Mike.
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