Welding in rear frame rails

FULLSCALE · 02-02-2013, 11:04 PM

I have my passenger side rear frame rail cut off (around 22" or so of it). My car is supported on the rear torque boxes.

Now for the hard to describe part... the rear tank support was rotten so it's pretty much out too. When I cut it out, the frame rail dropped down a bit.
Do I weld the new frame rail section dropped down to match how the original one came down then lift it up and weld in the tank support, or install the tank support and then weld in the frame rail exactly where it goes?

Just wondering if I were to weld it in exactly where it goes on the tank support if it's going to try to lift everything up once all the weight is on the car?

Sorry if this is hard to understand or if it's a stupid question!

tweet66 · 02-03-2013, 09:20 PM

Sorry no answer but I'm watching this as I have to do both sides on my coupe as well.

bartl · 02-03-2013, 11:24 PM

I'd weld it in exactly where it's supposed to go by comparing measurements with the driver's side to other fixed points, taking into account the width of the trunk floor.

mustangpaul1 · 02-04-2013, 12:46 AM

Just don't do what the person who owned the car before me did. My repairs can be seen as work in progress in the 3rd photo.

Musclecar Addict · 02-04-2013, 12:51 AM

Quote:

Originally Posted by mustangpaul1

Just don't do what the person who owned the car before me did. My repairs can be seen as work in progress in the 3rd photo.

Hmmm...my guess is he was a carpenter. lol...nice repair work though.

FULLSCALE · 02-04-2013, 06:58 PM

Thanks!

One more question. The taillight panel support... does the bottom of it go between the taillight panel and the rear trunk crossmember?

mxg30 · 02-04-2013, 07:28 PM

FULLSCALE,

It is extremely to important that before you remove anything that will need to be welded in, that you take accurate measurements to ensure that you put the replacement piece(s) back in correctly. Also take pictures so that you do get the correct orientation.
Oh, and take your time.

mxg30

roboticservo · 02-05-2013, 10:21 AM

This is how i am doing mine....
Make a jig and it will save you tons of time and heartache in the long run... You don't have to make a full body one like mine, ive seen ones that go off of the front spring perch and rocker panel. Kinda like a bolt-on cast of sorts.