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The Sally Report

LC GTR Restoration 1971 The Marty Report Girl Power

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#501 sibhs

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Posted 28 February 2021 - 09:13 PM

Hi Marty, I have to make imitation spot welds sometimes at work, I’ve found using a bolt ground nice and flat on the threaded end and do it in the primer. About the second or third coat you put it in and twist a bit, it seams to work well for me. Cheers

Thanks Brad, good tip.

 

Decided to do some bogging panel work while the cars on the rotisserie. Much easier working in a comfortable position than lying on the ground when it's on the cradle. This front beaver has had a few patch panels welded in and will be a bit swampy. 

 

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Marty



#502 sibhs

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Posted 17 April 2021 - 10:36 PM

A small update after too many Birthdays, anniversary and Easter slowing progress.

 

The heater core has been on hold after quotes around $550 to recore. I managed to get hold of another 6 to go with my 3 and I decided to check them all myself to see what's really wrong.

 

Six more to test.

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Setting up the water and air at 15psi for testing.

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All 9 units had some sort of leak so I picked out the easiest to repair.

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Set up my gas and solder ready to give this a go.

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Dremeled out to clean area and soldered the hole.

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Straightened up a pipe which caused a leak around pipe. Got the oxy out to braise copper and this is where it all went pear shaped.

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Blew a hole in the tank and ended up with molten solder dripping out of unit.

 

Grabbed another unit and took it to a radiator shop for repair. They are reluctant to fix them due to the risk of leak and difficulty removing once fitted. Managed to source a new core and re-core it for $360. I'm finally happy and can proceed to finish off the heater box assembly.

 

New one on the left.

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Marty



#503 claysummers

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Posted 17 April 2021 - 11:03 PM

Good on you for having a go at it but yes. You will sleep better with the recore I’m sure.


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#504 sibhs

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Posted 17 April 2021 - 11:26 PM

Working my way through the last few bits of rust repairs. This one i've been putting off due to it's a bit tricky.

 

The drip rail behind quarter window was in bad shape.

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There are three layers here, drip rail, roof skin and sub frame. The frame was ok but a new skin had to be made.

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You have to be very careful not to pull in the roof skin when welding, I learnt this from doing the LJ. Use spacers to hold and control movement.

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Clean up the old drip rail and make a new section to replicate the old style. I had to crease it and shrink/stretch to get it to fit.

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Marty

 



#505 Shtstr

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Posted 18 April 2021 - 01:06 AM

I had to do the same thing on my lc gtr when I did it years ago.
As you would have found out no one makes a replacement section for it and the lead is a pain in the arse to get out so you can weld it in.

#506 Rockoz

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Posted 18 April 2021 - 11:35 AM

Glad you got a recore done.

Back many moons ago when I had a VB Commodore, the heater started leaking.

Was a huge job to get the old one out, it was one of the first items fitted to the dash area I reckon.

The whole lower dash had to come out.

Talked to the radiator guys back then.

They told me that the heater cores were still being made from the old 7 1/2 lb cores even in the 80s.

They replaced the core with a 15 lb one. Cost about the same as a new core from Holden at the time.

About 75 bucks.

The radiator guys reckoned they could be kept in business just from replacing the 7 1/2 lb cores on their own back then.

 

 

Cheers

 

Rob



#507 Ice

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Posted 18 April 2021 - 04:26 PM

I had my old GTR Torana heater recored years ago 

when i picked it up the guy said don’t ever bring it back 

pain in the arse to fix apparently 

$75 i wasn’t complaining  



#508 73SUNBURSTEXYOUWON

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Posted 18 April 2021 - 04:52 PM

Awsome work Marty, Recore heater is the way, you made the right choice.


Mine was $330, earlier in the year. :)

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#509 sibhs

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Posted 18 April 2021 - 08:00 PM

I had to do the same thing on my lc gtr when I did it years ago.
As you would have found out no one makes a replacement section for it and the lead is a pain in the arse to get out so you can weld it in.

Yeah! the lead just blows out and spits and farts. Hard to tell where the lead is when you're an amateur.

 

Glad you got a recore done.

Back many moons ago when I had a VB Commodore, the heater started leaking.

Was a huge job to get the old one out, it was one of the first items fitted to the dash area I reckon.

The whole lower dash had to come out.

Talked to the radiator guys back then.

They told me that the heater cores were still being made from the old 7 1/2 lb cores even in the 80s.

They replaced the core with a 15 lb one. Cost about the same as a new core from Holden at the time.

About 75 bucks.

The radiator guys reckoned they could be kept in business just from replacing the 7 1/2 lb cores on their own back then.

 

 

Cheers

 

Rob

It's one of those things you only want to do once.

 

I had my old GTR Torana heater recored years ago 

when i picked it up the guy said don’t ever bring it back 

pain in the arse to fix apparently 

$75 i wasn’t complaining  

Did he fix it or recore it?  Recore isn't hard for them.

 

Awsome work Marty, Recore heater is the way, you made the right choice.


Mine was $330, earlier in the year. :)

It's all still too much but it's got to be right. I'm now going to get another 4 recored.

 

Marty



#510 sibhs

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Posted 18 April 2021 - 08:14 PM

Another section repaired, this was a dented damaged bit from memory.

 

Had some sill section left over so cut that to suit. Noticed as always it's not quite the same profile so photos show the modifications required to fit best.

 

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Marty



#511 Heath

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Posted 21 April 2021 - 09:12 AM

Classy work as always, Marty.



#512 Ice

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Posted 21 April 2021 - 04:14 PM

You’re getting real good at this welding caper



#513 RynoByrnzy

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Posted 04 May 2021 - 09:19 PM

Loving all your info Marty, great write up. Im looking down the barrel of a long road ahead but exited at the same time. Giving me great enthusiasm.
I noticed you had a dremel, for the small horizontal cuts such as the one at the bottom of the rear window you did, and other awkward spots have you tried the grinding disc on the dremmel. I burn through them quick, so i cut lots of small 25mm discs from larger worn angle grinding disc with tin snips works well for me. Gets it the real tight spots the grinder cant.





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