New owner with unbuilt Thunder Ranch

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Re: New owner with unbuilt Thunder Ranch

Postby EEricson » Sun Oct 29, 2017 5:19 pm

Short axles. The 205s were mounted on 5.5 steelies when I got the car. They fit (sort of).

With a ground-pounding 120 hp on tap and, since I'm going for verisimilitude, I'll probably go with skinnier rubber.
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Re: New owner with unbuilt Thunder Ranch

Postby EEricson » Sun Nov 05, 2017 6:25 am

Put the transaxle back in yesterday and mounted the shifter bracket. I can see now that the spare tire won't fit right with the Brandwood cable shifter. I can get it in there, but off-center. It doesn't look right and might interfere with the inner clam reinforcement and/or the hinge stay.

I'm told this shifter is a good one (at $600 it ought to be!), so I don't think I want to go with a Jamar.

I think the Brandwood would work great if I rotate the bracket 180 degrees to the bottom of the tail shaft, and bring the cables to it from the passenger side instead of the driver's side. Looks like the way forward is to fab-up a new bracket and bolt it to the trans crossbar on the chassis. Has anyone tried this? Anyone know for sure this won't work, and want to share the reasons?
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Re: New owner with unbuilt Thunder Ranch

Postby EEricson » Mon Nov 06, 2017 4:14 pm

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Re: New owner with unbuilt Thunder Ranch

Postby EEricson » Wed Nov 08, 2017 1:27 pm

Making progress today on the spare tire mount.
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Re: New owner with unbuilt Thunder Ranch

Postby EEricson » Sat Nov 11, 2017 5:51 pm

Re-did the cross brace between the shocks to save a couple pounds off the first C-channel version.

https://alongcameaspyder.wordpress.com/2017/11/12/cross-brace/
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Re: New owner with unbuilt Thunder Ranch

Postby Kris Courtney » Sun Nov 12, 2017 7:12 pm

I am thinking of ripping my spare tire out.I never carry it with me and you don't go to far on a island
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Re: New owner with unbuilt Thunder Ranch

Postby EEricson » Mon Nov 13, 2017 5:26 am

Less weight is always better, and less behind the rear wheels is better yet. I'm doing all this nonsense to see how much like an original I can make mine look. It's all bolt-in/bolt-out though.
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Re: New owner with unbuilt Thunder Ranch

Postby EEricson » Sun Nov 19, 2017 4:31 pm

More on the build.https://alongcameaspyder.wordpress.com/2017/11/17/holiness-is-next-to-porschey-ness/. I finished up, drilled-out and painted the spare tire mounts and cross brace. The main tubes weigh about 7 pounds and the offset brace is about five ounces heavier than stock. My shifter linkage mount is nominally lighter than the Brandwood unit so we're not adding much weight in our quest to make the car look more Spyder-y.
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Re: New owner with unbuilt Thunder Ranch

Postby EEricson » Sun Dec 03, 2017 4:52 pm

Continuing the build at the front of the car.

Got the jack points welded in and tested (all lift the car, no groaning or distortion), made an aluminum airbox behind the grill to take air to the oil cooler, got the horn pockets squared away, etc.

[url]https://alongcameaspyder.wordpress.com/2017/12/04/jackpoints-welded-horn-pockets-in-and-some-aluminum-stuff-riveted/
[/url]
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Re: New owner with unbuilt Thunder Ranch

Postby sjgharib » Mon Dec 18, 2017 2:03 pm

I'd be careful with the way you've got that shifter setup - you're fixing one end to the frame, another point to the transmission, and you've got flexible rubber (the tranny mount) in between...

There is relative motion between the frame and the entire engine/transaxle assembly. As a result, you may find some issues with popping out of gear if the motion is in the right direction during hard acceleration etc.

I have no idea how sensitive the whole thing is, but I generally assumed that there would be motion between things mounted on a rubber substructure (i.e. the engine/transaxle) and the frame itself. Other examples would be rigid fuel lines, rigid clutch slave lines, etc. Thus the original design has a large bracket that cantilevers off the end of the tranny case...

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Re: New owner with unbuilt Thunder Ranch

Postby EEricson » Mon Dec 18, 2017 4:52 pm

These are excellent points. Thank you!
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Re: New owner with unbuilt Thunder Ranch

Postby EEricson » Sat Dec 23, 2017 9:34 am

Update on my build. Much aluminum work is accomplished. Some still to go.
https://alongcameaspyder.wordpress.com/ ... um-part-1/
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Re: New owner with unbuilt Thunder Ranch

Postby EEricson » Fri Jan 12, 2018 7:46 pm

Got the Autopulse manifolds basically sorted.
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Re: New owner with unbuilt Thunder Ranch

Postby EEricson » Sat Jan 13, 2018 7:13 am

pretty good likeness, if I do say so meself.

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Re: New owner with unbuilt Thunder Ranch

Postby EEricson » Sat Jan 13, 2018 6:58 pm

Here's the fully-detailed story of how I made those fake manifolds, if anyone is interested.
https://alongcameaspyder.wordpress.com/ ... s-details/
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