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-   -   Mythbuster: continuing project thread of my 1303 '75 (https://www.germanlook.net/forums/showthread.php?t=9953)

Wally December 9th 2016 18:52

Well, since the rods aren't still here yet, I'll thought to start om making the yellow calipers work.
It didn't.. the bolt spacing is bigger (142mm as opposed to the regular 130mm).

So, I started thinking of other solutions.
I kinda strayed towards using the original 996GT3 bearing carriers so the whole thing would fit. That just means adapting all other 3 fixation points: (shocks, tie rod and lower control arm).

Here was a test fit with a rear 996/986 wheel bearing carrier (front and rear are basically the same casting):
http://i174.photobucket.com/albums/w...v.jpg~original

effvee December 9th 2016 19:12

Hi, question, ars you going to use struts? I see the spindle hole is splined, is that one is for the rear correct? Your rods, have you ever heard of Gregg Cunningham? He made my rods.

Wally December 10th 2016 04:27

Yes, with (GT3 RS) struts from Sachs racing, also height adjustable and even with external reservoir. The spindle in the picture is indeed a rear (test dummy) spindle, even the wrong side spindle. Its just to get an idea ;)

Heard of Cunningham, but thats it. Mine will be from Pauter.

Wally December 18th 2016 16:40

http://i174.photobucket.com/albums/w...t.jpg~original

This would be nice, but unfortunately it doesn't fit...
Alu one is porsche GT3 rear and just 0,5 kg
Original lower control arm is 2 kg!

H2OSB December 22nd 2016 20:00

Wally--

I like the look of those arms, though having the Porsche moniker would immediately make them too expensive for me, most likely.

I have always believed the LCAs and their inner mounts are the weak point of the 1302/03 front suspension. The mount hangs down a bit, ripe to be smacked into oblivion during an unfortunate off. I think one could create a more stout inner attachment meant for those Porsche rear arms that would accommodate the shorter length. The only immediate issue I see is the lack of mounting for the sway bar, or, better yet, a trailing arm to isolate the sway bar.

If you were to create a mount to use those arms, how would to attach the sway bar?

Wally January 9th 2017 15:32

Quote:

Originally Posted by H2OSB (Post 90502)

The only immediate issue I see is the lack of mounting for the sway bar, or, better yet, a trailing arm to isolate the sway bar.

If you were to create a mount to use those arms, how would to attach the sway bar?

Good points!
Actually although many have deemed the original LCA's a weak point, I think the construction is pretty solid and a nice combination of a wishbone kind of way combining the sway bar into the suspension set-up.

There is indeed no way to use the pictured porsche parts due to lack of sway bar attachment.
Sooo, I have come upon a small company in germany that makes an aluminium LCA for the late 1303 out of 7075 aluminium. However, his small batch was already sold out. Next weekend I am able to see one of those sets on a new years VW event in germany (Herford).
Of course, I'll try to make a picture of said arms.

Here's the set on Mario Asstmann's reincarnation of a GSR:
http://i174.photobucket.com/albums/w...y.jpg~original

and the rest of his car on FB:
https://www.facebook.com/pg/gelb.sch...=page_internal

H2OSB January 10th 2017 00:02

I like the look of those. Is that something still available? Are they super (no pun intended) expensive? Oh I saw the link. I will go look.

There is no doubt the original forged arms are plenty strong, but the stamped welded later arms are a weak point. You can stand on them and make them flex. Doesn't mean I won't get them sandblasted, prime then paint with black epoxy paint and use them...I'm just sayin.

H2OSB

Wally January 14th 2017 14:21

Quote:

Originally Posted by H2OSB (Post 90518)
I like the look of those. Is that something still available? Are they super (no pun intended) expensive? Oh I saw the link. I will go look.

There is no doubt the original forged arms are plenty strong, but the stamped welded later arms are a weak point. You can stand on them and make them flex. Doesn't mean I won't get them sandblasted, prime then paint with black epoxy paint and use them...I'm just sayin.

H2OSB

http://www.keversite.nl/fotoalbum/fotos/143169.jpg

http://www.keversite.nl/fotoalbum/fotos/143168.jpg

Well, what can I say...I went to the german new years meet in Herford and the builder of those arms had 1 set reserved for someone that didn't wanted them after all. Soooo happy with them! Yes they are super expensive. They are also a a tiny bit longer then stock and are still 20% lighter then stock and a fair bit stronger: the material used is some sort of 7075 with a 10.9 comparable strongness. Its difficult to drill he said LOL!

Wally January 15th 2017 08:20

Found the right spark plugs for the heads :)

http://www.keversite.nl/fotoalbum/fotos/143173.jpg

SuperRSi January 16th 2017 00:40

Those arms are beautiful! Will they fit the 944 spindles?

Wally January 16th 2017 13:35

Quote:

Originally Posted by SuperRSi (Post 90524)
Those arms are beautiful! Will they fit the 944 spindles?

They are Even more IRL.
Yeah, the outer diameter of the 17mm 944 joints are the same as the 15mm 1303 ones after all right?

However, I want to try and install 996GT3 spindles and the accompanying ball jounts... That will be a challenge, especially as an american bank is holding my funds hostage I paid for the spindles...

ricola January 16th 2017 13:59

Why not just modify the chassis to take the 911 arms?

H2OSB January 16th 2017 19:40

Quote:

Originally Posted by ricola (Post 90526)
Why not just modify the chassis to take the 911 arms?

You think you have all the answers, don't you ;)

Ricola, you're probably right, but those sure are pretty.

Wally, how much do those arms cost (ball park). Being slightly longer than stock, they might just solve my camber issue (n/a 944 spindles). Otherwise I'm going to mod the spindles strut flange to match the dimensions of the 1303 negative roll radius spindles. Also, can you link the source? I did look at the guy's build page but I didn't see a link for those arms.

H2OSB

Wally January 17th 2017 16:24

Don't ask what they cost, pls just don't :o ;)

They are mentioned on his site under 'alu querlenker' but without any details as they are 'sold out' (I got the last set remember :D)

http://bugvision.de/besonderheiten.html

There is an email adres on his site if you really want to know ;)

SuperRSi January 21st 2017 19:03

He says he is out. I tried...


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