FYI FORD - MustangSteve's Ford Mustang Forum
The Internet's Most Knowledgeable Classic Mustang Information
MustangSteve has over 30 years of Mustang experience, having owned 30 of them and restored several others. With the help of other Mustangers, this site is dedicated to helping anyone wanting to restore or modify their Mustang.... THERE ARE NO DUMB QUESTIONS!!!!!
Visit MustangSteve's web site to view some of my work and find details for:
FYIFORD Contributors' PICTURES - Power Brake Retrofit Kits for 65-66 Stangs - Classic Mustang FAQ's by MustangSteve - How to wire in a Duraspark Ignition - Mustang Ride Height Pictures and Descriptions - Steel Bushings to fit Granada Spindles to Mustang Tie Rods - Visit my EBAY store MustangSteve Performance - How to Install Granada Disc Brakes MustangSteve's Disc Brake Swap Page - FYIFORD Acronyms for guide to all the acronyms used on this page - FYIFORD Important information and upcoming events

You are not logged in. Would you like to login or register?

5/29/2017 9:45 AM  #1

stress cracks on rear quarter window area

66 Mustang Coupe has cracking around C-Pillar, rear roof pillar bottom rear corner at quarter window on both sides of car.
I think this is a common stress fracture on these cars.
What is the correct way to repair? I have install sub-frame connectors.


10/05/2017 6:48 PM  #2

Re: stress cracks on rear quarter window area

V out the crack Give it a nice taper. Then weld a reinforcement on the under side. Then weld up the crack that you prepped.


2/26/2018 10:37 AM  #3

Re: stress cracks on rear quarter window area

These cars are very flexible. I’m in the process of installing torque boxes in front. Anything you can do to stiffen the unibody up will help.

I'm not a complete idiot.....pieces are missing. Tom

Board footera

REMEMBER!!! When posting a question about your Mustang or other Ford on this forum, BE SURE to tell us what it is, what year, engine, etc so we have enough information to go on.