• 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5
Unibody question..
#1
As I said in my introduction post, I plan on starting the full restoration of my Mach 1 as soon as my Falcon is finished...

My question is, to those that have done it.. when you seperate the front and rear frame sections from the body, do they have to be lined up when they are married back together... or will the bolts line them up... I mean, is there enough play in the mounts that it would/could cause the frame sections to be out of square and cause alignment problems ??

63 Falcon Futura gasser... click here for build thread..
72 Mach 1, Q-code Cleveland, 4-speed..
  Reply
#2
Barber;214261 Wrote:As I said in my introduction post, I plan on starting the full restoration of my Mach 1 as soon as my Falcon is finished...

My question is, to those that have done it.. when you seperate the front and rear frame sections from the body, do they have to be lined up when they are married back together... or will the bolts line them up... I mean, is there enough play in the mounts that it would/could cause the frame sections to be out of square and cause alignment problems ??
I;m sure others on this forum are much more qualified to answer this, but I will give it a shot.

First off I think you ought to farm out the frame welding if you have questions like that. The frame rails are structural and there are some recent posts on this site cautioning the use of improper welds on unibody cars.

Next, the answer to your question is that you must align replacement frame rails properly. The only things bolting to the rear rails are the leaf springs, and I doubt they have enough play to go together if the alignment is off, The front rails are spaced by crossmembers, as are the rears, so as long as you are square with your assembly, the spacing should be correct.

I'll shut up for now. Good luck, and build it safe!

kcmash
  Reply
#3
These cars are a Unibody design, frame and body are one unit. There is no removable frame, front or rear. No frame mounts that bolt on.
If the frame has rust or damage, spot welds have to be drilled out and sheetmetal replaced and welded back into location by spot or plug welding.

If your car needs frame components replaced, the factory frame measurements are documented and need to be checked/confirmed before reattaching new parts. A Google search will turn up several frame measurement docs as well as searching the forums here.
  Reply
#4
RacerX;214267 Wrote:There is no removable frame, front or rear. No frame mounts that bolt on.

Your ******* me.... sweet.... It's been years since I've been under my car (in storage), so I couldn't quite remember just how it was put together.... but no, my frames is fine, at least it was the last time I saw it... I was only going to seperate for paint... but now that, that question is answered, I'm golden.... thanks pal..

63 Falcon Futura gasser... click here for build thread..
72 Mach 1, Q-code Cleveland, 4-speed..
  Reply
#5
This earlier thread should help some.

http://www.7173mustangs.com/thread-frame-straightening


Ray

1971 Boss 351  
1972 Q code 4 speed convertible 
1971 Mustang Sportsroof  351-2V FMX 
1973 Mach 1 (parts car)
  Reply
#6
Even today, many are flummoxed trying to comprehend the difference between a full-frame vehicle as opposed to unit construction ( "unitized" or "unibody").
Whenever I hear of a "frame-off restoration" on a Mustang, I always chuckle a little inside.
  Reply
#7
Yeah I know what unibody means... But I couldn't remember if it was bolted together or not... I know on a lot of the newer unibodys, you can unbolt the front and drop the engine out the bottom....

What I'm trying to say is, I'm not a rookie... I've turned a wrench or to in my days.... I just couldn't remember how it was attached..

63 Falcon Futura gasser... click here for build thread..
72 Mach 1, Q-code Cleveland, 4-speed..
  Reply
#8
Actually, from what I have been told from long time Falcon and Mustang enthusiasts, the first Mustangs were built based on the Falcon uni-body construction....it was called Project X.
  Reply
#9
I've always heard that myself... that the Mustang was built off the Falcon platform.. I don't know about the project X though..

63 Falcon Futura gasser... click here for build thread..
72 Mach 1, Q-code Cleveland, 4-speed..
  Reply
#10
Yep, the first Mustang was a budget-friendly Falcon re-skinning. "Projext X" was an early name for the program. It progressed through several names: Cougar, Thunderbird-II, Puma, Torina ( then Torino), Colt and of course...Mustang. I think they picked the right name.
  Reply
Share Thread:  


Possibly Related Threads...
Thread Author Replies Views Last Post
  Intake Cast Number Question kingb1973 7 467 09-08-2018, 08:27 AM
Last Post: kingb1973
  Axle question batwrangler 23 688 08-21-2018, 12:49 PM
Last Post: secluff
  SCJ Project car value and parts question atvdave 1 241 08-11-2018, 01:27 PM
Last Post: Don C
  '72 Sportsroof question soonerbillz 14 748 06-26-2018, 04:26 PM
Last Post: soonerbillz
  Rental Mustang question... soonerbillz 3 575 06-14-2018, 12:13 PM
Last Post: Boss1Ray
  Electrical Question mds1973 4 274 05-28-2018, 12:19 PM
Last Post: mds1973
  Another Marti report question: Steel Guard Rails? Mustangfeverrr 2 680 05-30-2017, 05:17 PM
Last Post: Mustangfeverrr
  1972 Mustang Convertible question Dcerny 8 967 04-15-2017, 07:43 AM
Last Post: Dcerny



Users browsing this thread: 1 Guest(s)