MM 4-point lower brace too wide? - Ford Mustang Forums : Corral.net Mustang Forum
 
LinkBack Thread Tools Display Modes
post #1 of 7 Old 01-22-2019, 08:08 PM Thread Starter
Registered User
 
Mustang5L5's Avatar
 
Trader Feedback: (6)
Join Date: May 2000
Location: Massachusetts
Posts: 8,164
So i ran into a little difficulty installing my max motorsports lower k-member brace tonight. (MMBAK4-1) This is on my '88 LX 5.0. Loosely installed the two bolts on one side and when I moved to the other side, I found both mounting holes to be off about 1/2" - 3/4" or so.

Both pics taken looking towards the front of vehicle with drivers side on left. Spacing on the brace is 20 1/2" and 28 3/8". Does anyone have a stock K-member sitting around that they can measure so i can compare spacing of the bolt holes in that? I'm trying to determine if it's my K-member that is "different" or the brace is off.

My car is an original 1988 v8 car that i've owned since the mid 90's. I have no reason to suspect any accidents prior to my ownership. Nothing else in the car is misaligned and I just installed an MM STB and it fit like a glove.

Attached Images
File Type: jpg IMG_2375_1548205357131.jpg (108.5 KB, 32 views)
File Type: jpg IMG_2376_1548205372153.jpg (86.1 KB, 32 views)
File Type: jpg IMG_2312_1548206022622.jpg (69.1 KB, 27 views)

Mike
--1988 Mustang LX 5.0--
Mustang5L5 is offline  
Sponsored Links
Advertisement
 
post #2 of 7 Old 01-24-2019, 10:52 AM Thread Starter
Registered User
 
Mustang5L5's Avatar
 
Trader Feedback: (6)
Join Date: May 2000
Location: Massachusetts
Posts: 8,164
UPDATE: Well, after getting some measurements from an individual on another forum, it appears my K-member is bent or possibly was constructed incorrectly.

No signs of damage however, and my car still has all it's original panels with VIN tags.

I was planning on removing the engine this summer and installing a full MM K-member kit, so i'll cancel the brace install and wait until i can remove the engine and k-member and investigate this further.


Mike
--1988 Mustang LX 5.0--
Mustang5L5 is offline  
post #3 of 7 Old 01-24-2019, 01:54 PM
Registered User
 
Trader Feedback: (11)
Join Date: Nov 1999
Location: Where the Navy sends me...
Posts: 4,123
Interesting!

Waaaaay back in early '96 I installed a K-member brace on my car. I don't remember the brand, but I know I had some other Kenny Brown parts on the car, so it may have been KB. At that point the front end was all stock. I remember I had to enlarge the holes to get it to fit - not 1/2" to 3/4", but I definitely had to do some work. I also remember that I didn't have a Dremel tool - not sure I even knew such a thing existed at that early point in my car modding history - so I did it all with a hand file. Lots of time laying on my back under the car in the garage.

'89 GT convertible, N/A 357W, MM front susp w/425# coil-overs and Koni D/As, MM TA/PB rear setup (Koni Yellows, 390-430# springs), Stoptech 332mm / 12" Baers, MM 6 point rollbar, Maier 1.5" flared fenders & quarters, 18x9.5" front/18x10.5" rear Enkei RPF-1s (street), 18x10" CCW C-10s (track), etc...
Patrick Olsen is offline  
Sponsored Links
Advertisement
 
post #4 of 7 Old 01-24-2019, 05:02 PM Thread Starter
Registered User
 
Mustang5L5's Avatar
 
Trader Feedback: (6)
Join Date: May 2000
Location: Massachusetts
Posts: 8,164
I Spent some more time under the car today and can't find any evidence of the car ever being hit. Probably looked around a good 2 hours. Both subframes and pinch welds are perfectly straight. So I tried to mount the brace again.

No dice. Looks like i'm off 1/2" or so. In fact, it looks like the K-member was installed slightly cheated to the pass side on the subframe mounting flanges. Perhaps that is limiting my ability to install this? I'm also still off a good 1/2" or so regardless.

Going to shelf this for the meantime. I am planning on a full MM K-member install this coming summer but wanted to install this brace simply because I had it and it looked like a 10-min install. Not going to kill myself here when i'll probably be removing it after 100 miles to do a full K-member.

The black paint is some POR-15 i applied years ago that apparently i forgot to get the other side with.
Attached Images
File Type: jpg Driver Side.jpg (118.3 KB, 21 views)
File Type: jpg Pass Side.jpg (143.2 KB, 19 views)

Mike
--1988 Mustang LX 5.0--
Mustang5L5 is offline  
post #5 of 7 Old 02-02-2019, 05:23 PM
Registered User
 
qtrracer's Avatar
 
Trader Feedback: (34)
Join Date: Jun 2004
Location: Maryland
Posts: 5,348
I had a similar problem as Patrick with my KB G-load brace. The car was an 86 vert so I figured the older K design and being a vert had a little to do with the issue. IIRC, I had to enlarge some holes and jack the piece into place (may have had added pre-load in the process). But I got it in. Made a noticeable difference to the vert.
qtrracer is offline  
post #6 of 7 Old 02-04-2019, 10:15 AM Thread Starter
Registered User
 
Mustang5L5's Avatar
 
Trader Feedback: (6)
Join Date: May 2000
Location: Massachusetts
Posts: 8,164
I had some unknown 2-pt brace kicking around that i had previously installed years ago but removed when i did my AOD-to-T5 swap. Ended up putting that back on since it was an easy install as i had drilled the holes years ago.

I sold the MM brace to a buddy. Like i said before, i am planning the full MM K-member later this year so i didn't want to spend too much time trying to get this brace in only to take it out 50 miles later.

Still interesting to see my K-member is somewhat "off" for some reason. I'll investigate further when i remove it from the car.

Mike
--1988 Mustang LX 5.0--
Mustang5L5 is offline  
post #7 of 7 Old 02-10-2019, 12:09 PM
The Lurker
 
Trader Feedback: (10)
Join Date: Aug 2006
Location: Shreveport, LA
Posts: 870
I'm interested to see what you find out about the K-member. The four point brace is the only other piece I haven't added to my build. Mainly because I don't know whether I'll use long tubes or not. I find it curious one never knows what they will find as far as symptoms of different assemblies or manufacturing tolerance differences.

'91 LX 5.0 Daily Driver/AutoXer. Tremec 3550, MM RLCA, Panhard, Torque Arm, FLSC, STB and CC plates. Springs and Koni Yellow's. '03 Cobra brakes, rack, diff, Anniversary Cobra wheels. Justin
PhoenixLx is offline  
Sponsored Links
Advertisement
 
Reply

Bookmarks

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Ford Mustang Forums : Corral.net Mustang Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Similar Threads
Thread Thread Starter Forum Replies Last Post
For Sale Fox STB and lower brace, IRS rear springs philc Suspension 1 07-15-2012 01:28 PM
For Sale 87-93 Mustang Upper Strut Tower Brace and Lower Chassis Brace Bulldoser89 Suspension 1 02-20-2012 03:24 PM
For Sale FOX STRUT TOWER BRACE & LOWER K-MEMBER BRACE scott505 Miscellaneous Mustang Parts 7 10-27-2011 01:11 AM
Brand new Kenny Brown 4 point G Load brace GMOORE Suspension 0 05-01-2006 09:30 PM
Kenny Brown Lower Chassis Brace 1994-04 4.6 Mustang NIB Kool03Vert Suspension 5 06-21-2005 10:44 AM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome