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Line drawing of the early Mustang unibody. MCCM specializes in the repair and replacement of rusted structural components such as the frame, floors and cowl vent areas. |
ORIGINAL CONSTRUCTION
Convertible models had additional bracing to compensate for the lack of a solid steel roof, LH & RH front torque
boxes, LH & RH lower seat reinforcements, one piece upper seat risers, lateral boxed LH & RH inner rocker frame
rails with door post gussets, a fortified rear partition, and a reinforced dual plane rear cross member.
The 1965-1973 Mustang Coupe/Fastback was constructed as an integrated, continuously
welded "ladder-type" platform, (1968 and up also had LH & RH front torque boxes), with a box design front engine
compartment, boxed LH & RH front frame extensions, boxed front cross member, vertically reinforced inner LH & RH
rockers, full-depth full-length "backbone" center tunnel, and boxed LH & RH rear frame rails, and a single plane
rear cross member.
| Body specifications of the 1965-1970 Mustang frame and under body platform. The measurements provided are used to ensure that the Mustang unibody is square, and the body mounting points are in the correct relative position to the under carriage and frame support members. We have received numerous requests for copies of the Mustang underbody measured drawing. It is available in an enlarged 11" X 17" clean clear format. If this drawing can assist your restoration project, you can obtain a copy by sending a $7.50 fee through www.paypal.com to midcomustang@att.net, be sure to mention what year Mustang you are working on. |  |
MATERIALS
All of the sheet metal panels & frame components utilized in our frame/floor reconstruction process is cold rolled, full hard, machine steel, containing between 05% to 20% pure carbon. The panels, supports, members, and reinforcements are stamped, fabricated and embossed with original marking/ribbing and are of the proper gauge/thickness for the specific frame/floor application. Some of the sub-frame components are custom made to MCCM's exact specifications to ensure proper fit, alignment and original appearance.
METHODOLOGY
We employ the "fusion" method of metal welding. This process uses heat, generated by high voltage electricity, to partially melt the two metal surfaces to be joined. The specific type of fusion utilized is MIG (metal inert gas).
During the welding process the welding equipment introduces a mixture of carbon dioxide and argon gas. The gas mix is used to displace the oxygen that forms around the weld area, if not removed oxygen would weaken and compromise the weld. When the seam of melted metal cools and hardens, the two pieces being joined are connected by a joint that is as strong as the original metal.
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In-shop picture of a replaced 1967 Mustang LH frame extension with new front/rear aprons, new center shock tower, and new lower torque box replaced, clamped and re-welded. |
 1966 Mustang convertible. RH (passenger side) Rusted frame & floor removed, ready for replacement metal parts. |  1966 Mustang convertible. RH (passenger side) New inner rocker/frame, & torque box. Mig welded into position. |
 1966 Mustang convertible. RH (passenger side) New front & rear floor panels. Mig welded into position. |  1966 Mustang convertible. RH (passenger side) Metal panels & supports, seam sealed & caulked. |
 1966 Mustang convertible. Frame/floor protected with 3M Rubberized undercoating. Mustang under carriage reconstruction is completed & ready for many more years of service. |
DETAILS AND REASSEMBLY
Carpeting, seats, interior trim panels and moldings are carefully removed and stored. When the project is completed, the components are cleaned, re-installed and fitted using O.E.M. correct fasteners and hardware.
WARRANTY
All work is guaranteed against defects in materials and workmanship for a period of one year. Mid-County Classic Mustang will repair or replace the defective part at no cost within the warranty period.
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Copyright © 2001 Mid-County Classic Mustang. All Rights Reserved
