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> BUILD-OFF CHALLENGE: Tygaboy's '75 LS3, It seemed a good idea at the time...
andys
post Sep 4 2019, 11:57 AM
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QUOTE(tygaboy @ Sep 3 2019, 03:09 PM) *

QUOTE(andys @ Sep 3 2019, 02:50 PM) *

QUOTE(Curbandgutter @ Sep 3 2019, 02:14 PM) *

Wow, I love the way those hard lines are looking. I've never like the rubber lines just dangling out the way it's typically done. Very clean look for sure.


Except that you do need some rubber couplers in strategic places, as the aluminum hardlines will expand and contract rather significantly. Just thought I'd mention it. Yup, those hardlines do look good!
Andys


@andys - I was planning rubber between the hard line and the radiator and just past the trunk wall, the hard line transitions to the Gates hose. There will be a couple rubber isolated mount P-clamps helping support the lines, as well.

Would you think that'll be OK? (I could always redo the hard lines in stainless, if needed.)


As long as you don't have too long of a convoluted run, you should be ok. Also, if you hard mount one end (of a long run), allow a floating mounting scheme for the opposite end. IMHO.
Andys
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tygaboy
post Sep 4 2019, 12:05 PM
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With all the time I've been spending in the frunk, the GT headlight kit started calling out to me so I got after it.


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jd74914
post Sep 4 2019, 12:35 PM
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QUOTE(tygaboy @ Sep 4 2019, 11:01 AM) *

It's a 55 GPM pump, same one as pictured. As to switching the fans, I can use the ECU or the Infinity Box system. The 2nd pic of one of the Infinity Box options.

What about the water pump though? Are you going to run that variable speed or full bore?
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tygaboy
post Sep 4 2019, 05:24 PM
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Progress on the hard lines. I got the grommets for the bulkhead plate but I'm not sure about the p-clamp, certainly not the white insulation. That's what I got when I ordered something that takes up to 300 degrees. I may just wrap the line under the clamp with black silicone tape. We'll see.
But I like how the lines are turning out.


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Superhawk996
post Sep 4 2019, 06:50 PM
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Amazing build. Keep going. Soon you'll be to 100 pages! (IMG:style_emoticons/default/cheer.gif)

What is the longest build thread on here? You've got to be in serious contention.
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dan10101
post Sep 4 2019, 07:01 PM
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QUOTE(tygaboy @ Sep 4 2019, 11:05 AM) *

With all the time I've been spending in the frunk, the GT headlight kit started calling out to me so I got after it.


What is this GT Headlight Kit you speak of? Pray Tell...

Ok, i need to quit drinking beer in the afternoon... (IMG:style_emoticons/default/beer3.gif)

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Andyrew
post Sep 4 2019, 07:54 PM
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QUOTE(dan10101 @ Sep 4 2019, 06:01 PM) *

QUOTE(tygaboy @ Sep 4 2019, 11:05 AM) *

With all the time I've been spending in the frunk, the GT headlight kit started calling out to me so I got after it.


What is this GT Headlight Kit you speak of? Pray Tell...

Ok, i need to quit drinking beer in the afternoon... (IMG:style_emoticons/default/beer3.gif)

Gt's had manual headlights not electric.

https://900designs-container.zoeysite.com/9...ase-cable-kit-1
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tygaboy
post Sep 6 2019, 02:34 PM
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Radiator lines fab'd and fit. A couple joints to final weld and this gets checked off the to-do list.

I abandoned the "p-clamp bolted to the chassis". The latest is using the p-clamps but bolting each one to opposite sides of a .5" rubber isolation mount. This does an OK job but I think I can come up with something that works a bit better.

And this effort was my first foray into TIG welding aluminum. I found it far easier to get a nice result than welding steel. I don't know why I thought AL would be more difficult. That said, contamination of any sort and it all goes to hell instantly. Far more sensitive than steel.


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Superhawk996
post Sep 6 2019, 02:48 PM
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QUOTE(tygaboy @ Sep 6 2019, 04:34 PM) *


And this effort was my first foray into TIG welding aluminum. I found it far easier to get a nice result than welding steel. I don't know why I thought AL would be more difficult. That said, contamination of any sort and it all goes to hell instantly. Far more sensitive than steel.


I personally like doing aluminum too. For some reason I find it more satisfying.

If you think aluminum contaminates quickly, try to TIG Galvaneal. (IMG:style_emoticons/default/headbang.gif)
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FourBlades
post Sep 7 2019, 09:26 AM
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TIG welding aluminum is a holy grail skill!

I am still trying to learn to TIG steel.

Did you run a purge line inside the pipes?

John
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Andyrew
post Sep 7 2019, 10:35 AM
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QUOTE(tygaboy @ Sep 6 2019, 01:34 PM) *

Radiator lines fab'd and fit. A couple joints to final weld and this gets checked off the to-do list.

I abandoned the "p-clamp bolted to the chassis". The latest is using the p-clamps but bolting each one to opposite sides of a .5" rubber isolation mount. This does an OK job but I think I can come up with something that works a bit better.

And this effort was my first foray into TIG welding aluminum. I found it far easier to get a nice result than welding steel. I don't know why I thought AL would be more difficult. That said, contamination of any sort and it all goes to hell instantly. Far more sensitive than steel.



Gorgeous pieces!!!!
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tygaboy
post Sep 7 2019, 10:48 AM
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QUOTE(FourBlades @ Sep 7 2019, 08:26 AM) *

TIG welding aluminum is a holy grail skill!

I am still trying to learn to TIG steel.

Did you run a purge line inside the pipes?

John

@FourBlades - No back purging. I think that's only absolutely required on Ti. Not that total shielding isn't "better" but it worked fine without it.
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jd74914
post Sep 7 2019, 11:24 AM
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QUOTE(tygaboy @ Sep 7 2019, 11:48 AM) *

QUOTE(FourBlades @ Sep 7 2019, 08:26 AM) *

Did you run a purge line inside the pipes?

@FourBlades - No back purging. I think that's only absolutely required on Ti. Not that total shielding isn't "better" but it worked fine without it.

Don't need to backpurge aluminum. Highly recommended on mild/stainless steel tube/pipe (req. if doing code welding) and like Chris said absolutely necessary on Ti. The drawn tubing used in cages is normally pretty nasty inside in in my experience really benefits from a backpurge.
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FourBlades
post Sep 7 2019, 01:36 PM
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OK, good to know.

I got a lot better when someone told me to get 2x magnifying lens for my welding helmet.

Much easier to see the little glowing worm and not touch it to the metal. (IMG:style_emoticons/default/welder.gif)

John
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tygaboy
post Sep 16 2019, 05:51 PM
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One for the tool whores: I treated myself to a "real" spot welder. Having checked out the Harbor Freight version, I opted for this one. Really nice.

If anyone local to me needs/wants to borrow this, please don't hesitate to let me know. It's pretty incredible.


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tygaboy
post Sep 16 2019, 05:54 PM
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I used the magic spot welder to attach a little bracket to which the fuel filter mounts.
The lower part of the fuel filter mount rests on a small rubber pad on top of the fuel tank.


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bbrock
post Sep 16 2019, 06:33 PM
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QUOTE(tygaboy @ Sep 16 2019, 05:51 PM) *

One for the tool whores: I treated myself to a "real" spot welder. Having checked out the Harbor Freight version, I opted for this one. Really nice.

If anyone local to me needs/wants to borrow this, please don't hesitate to let me know. It's pretty incredible.



ENVY! (IMG:style_emoticons/default/drooley.gif)
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914forme
post Sep 16 2019, 07:17 PM
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Telwin digital 230, nice unit. Have not seen them for sale in the US, I know what they cost, but who was the US supplier?

They make a great spot welder, enjoy it. Been looking for a used one for a long time.
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amfab
post Sep 16 2019, 07:53 PM
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QUOTE(914forme @ Sep 16 2019, 06:17 PM) *

Telwin digital 230, nice unit. Have not seen them for sale in the US, I know what they cost, but who was the US supplier?

They make a great spot welder, enjoy it. Been looking for a used one for a long time.


Here is a used one for sale
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tygaboy
post Sep 16 2019, 07:55 PM
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@914forme Stephen, I got mine here, at USA Weld:
https://www.usaweld.com/Quick-Spot-II-p/60501.htm

I did add the zipadeedooda angled arms. It comes with a set that point the electrodes directly at each other.
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