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> BUILD-OFF CHALLENGE: Tygaboy's '75 LS3, It seemed a good idea at the time...
tygaboy
post Oct 17 2016, 10:56 AM
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Hi World!
Let the games begin! (IMG:style_emoticons/default/piratenanner.gif)
As the title says, it's a '75 that's getting an LS3 (Cracker's "old" motor - thanks Tony!) and Boxster 6 speed.
Also planned is zippidy doo-dah 911 front suspension with Boxster calipers all around. The rear suspension is getting 911 ebrakes, Tangerine Racing raised pickups and shock towers.
I have plans to stiffen the chassis with a partial cage.

Doesn't that sound like a great plan? I think so, too!

BACKGROUND:
I got this as a roller that was purported to be "dry and accident free". And it was!
Except for all the rust and the place where it was hit. Yeah, yeah... But it's all good. The seller and I worked everything out. (IMG:style_emoticons/default/beerchug.gif)

But our little 914s are full of surprises and isn't that half the fun? So, first up is rust repair time! (IMG:style_emoticons/default/sawzall-smiley.gif) (IMG:style_emoticons/default/sawzall-smiley.gif) (IMG:style_emoticons/default/welder.gif) (IMG:style_emoticons/default/welder.gif)

Let's begin with some pics of what I started with. Wish me luck! Wait, forget the luck, wish me SKILL!!!


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burton73
post Sep 7 2023, 05:01 PM
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I sent you a PM.

Best Bob B
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burton73
post Sep 7 2023, 05:14 PM
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sorry doubble post
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tygaboy
post Sep 8 2023, 07:06 PM
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QUOTE(Shivers @ Sep 7 2023, 12:56 PM) *

QUOTE(tygaboy @ Sep 7 2023, 12:07 PM) *

Ready for final welding and some exhaust tips. Nearly there.


That is really cool looking. It looks like it will work well, more so it will sound just as good. My brain wants to know about the temps you expect in the trunk. And are we in for some awesome fresh air intake design. Spooky cool dude

@Shivers - Yes, you are. But no promises. I'm entering uncharted waters, at least for me. But I'll do my best to keep you entertained as I learn what is and what is not possible!


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tygaboy
post Sep 8 2023, 07:14 PM
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Martin was At The Red Barn today and we focused on getting the exhaust tips fitted and final welded.
They haven't been trimmed to length but I'm super happy with this new exhaust. It met the targeted goals:
- symmetry that pleases my eye? Check
- mufflers all but invisible? Check
- transmission totally visible? Check

I did want the center exit exhaust but this one has it's own sort of style points. Less elegant, more brutish, which certainly fits the build. It's not as "Porsche" as a center exit but it does a lot to add to the "that is a wide 914!" look.

On to the next thing I decide to (IMG:style_emoticons/default/sawzall-smiley.gif) do! (IMG:style_emoticons/default/smash.gif) (IMG:style_emoticons/default/welder.gif)


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cassmcentee
post Sep 8 2023, 09:51 PM
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(IMG:style_emoticons/default/wub.gif)
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tygaboy
post Sep 9 2023, 07:07 AM
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And the latest video to get you current on the exhaust fab.

https://www.youtube.com/watch?v=88CoEduwtGM
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Cairo94507
post Sep 9 2023, 08:06 AM
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I love the look and can't wait to see the finish length of the tips as well as hear it run. (IMG:style_emoticons/default/beerchug.gif)
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technicalninja
post Sep 9 2023, 09:14 AM
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You could add exhaust cut outs before the X and have the cut out exits in the center...

You've got plenty of room.

It would be LOUD!

Your mounts are very well designed. They look like they should work fine. Very tidy.

I'd add some type of expansion connection to both sides before the X section.

Might be as simple as slip tubes and springs or true flex sections on v-bands.

I think the temperature swings that the system will go through will over stress that x section and it will fail without some type of stress relief.

Sure looks pretty like it sits...

Edit: Love the new intake. On the LARGE size!
You need a built motor to go along with that!
13:1 with nearly 300 degrees of duration.
600+HP will be attainable through that intake.
You just don't have a car that can apply that power to the ground.
Car will need to weight 4K plus to make that work well.

You're designing a tire destroying apparatus...
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SirAndy
post Sep 9 2023, 11:12 PM
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QUOTE(markhoward @ Sep 4 2023, 07:41 PM) *

This is the best one yet!

(IMG:style_emoticons/default/aktion035.gif)

https://www.youtube.com/watch?v=z4nDae578cQ
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markhoward
post Sep 9 2023, 11:49 PM
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QUOTE(SirAndy @ Sep 9 2023, 10:12 PM) *

QUOTE(markhoward @ Sep 4 2023, 07:41 PM) *

This is the best one yet!

(IMG:style_emoticons/default/aktion035.gif)

https://www.youtube.com/watch?v=z4nDae578cQ



(IMG:style_emoticons/default/aktion035.gif) (IMG:style_emoticons/default/aktion035.gif) (IMG:style_emoticons/default/aktion035.gif)
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tygaboy
post Sep 10 2023, 11:50 AM
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@SirAndy @markhoward - Hey, guys, you know I'm all about METAL! (IMG:style_emoticons/default/aktion035.gif) (IMG:style_emoticons/default/lol-2.gif)
Speaking of which, @buddyV Robert stopped by yesterday and poo-poo'd my initial rear mount. Constructive critisism is great because if forces me back to the design board and (IMO) I invariably come up with something I like more. In this case, it's a folded sheet metal bracket that has WAY more style points. Me likee! Plus, I'll maybe back it up with some mesh, like on the rear panel.
Thanks Robert!


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technicalninja
post Sep 10 2023, 12:09 PM
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(IMG:style_emoticons/default/agree.gif)

That's a bunch stronger as well!
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tygaboy
post Sep 11 2023, 03:06 PM
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Rear mount fully welded, including a set of underside gussets.
Martin was by today and we noodled out a design for the exhaust tip hangers. He's back to his shop (lathe and mill, which I don't have) to whip up the needed parts.


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tygaboy
post Sep 14 2023, 10:05 AM
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This one is a bit different. You've heard me mention Martin and all the help he's been on my builds. Here's a bit of an intro and a peek into his background. Talk about a man with passion and skills!
And if you're at all into slot cars, this is a must see! Plus, you'll get a teaser about an episode on his experience designing/building ProStock drag bikes. Enjoy!

https://www.youtube.com/watch?v=p1imXSqo7dw
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Cairo94507
post Sep 14 2023, 10:38 AM
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That just transported me back to the late 60's when we would go to the Slot Car Track in San Leandro on East 14th Street everyday and race our cars. (IMG:style_emoticons/default/beerchug.gif)
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tygaboy
post Sep 16 2023, 07:43 AM
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Back to the exhaust and it's all done but the outside hangers.

https://www.youtube.com/watch?v=gGtX3jBaRro
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Cairo94507
post Sep 16 2023, 09:02 AM
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Sweet. I can't wait to see the final tip length and hear it run. (IMG:style_emoticons/default/beerchug.gif)
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tygaboy
post Sep 16 2023, 12:42 PM
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Embarking on another "I wonder if this will work" project. These are Nash Metropolitan doors, one of which I cut up. Will it work out? Place your bets now! (IMG:style_emoticons/default/happy11.gif)


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tygaboy
post Sep 16 2023, 05:32 PM
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For whatever reason, as I was moving the doors, I noticed the shape and thought, "I wonder if I could use that as the center section of a rear valance?"
It'll take some work, but I think I can. Sort of diffuser-like and a pretty neat shape.
I'd love to be able to say I used part of a '59 Metro on my build. (IMG:style_emoticons/default/aktion035.gif)
We'll see how this goes.


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tygaboy
post Sep 16 2023, 05:35 PM
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Back to necessary things. Here's the outboard muffler support in place. Not too noticable from the engine compartment side and totally invisible from the rear.
Yes, it's single-shear but the other end is mounted in pretty pliable rubber so I'm not worried.


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