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Author Topic: Group 4 Rear Brakes  (Read 12484 times)
131grp4
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« on: January 05, 2010, 11:34:51 PM »

Anyone know much about these, apparently some early works cars ran 1 caliper with a small drum?Huh certainly cant do that and some ran 2 calipers, anyone know anything about these?

Cheers

Jonathan
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sportman
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« Reply #1 on: January 06, 2010, 06:21:55 PM »

I HAVE ORIGINAL 256 MM DISXS WITH 2 CALIPERS
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miro-1980
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« Reply #2 on: January 06, 2010, 10:08:39 PM »

YOU MEAN YOU HAVE THEM OR YOU MEAN YOU HAVE SPARES ?


Miro
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Fiat Abarth 131 Rally Gr4 1976 (replica)
Fiat 124 Abarth Rally Gr4 1973 (replica)
sportman
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« Reply #3 on: January 07, 2010, 01:05:58 PM »

I DONT SELL I KEAP FOR SPARE.
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miro-1980
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« Reply #4 on: January 07, 2010, 05:14:08 PM »

FiatFactrory !

Thank you very much indeed. Very valuable photo for me.

I want to ask you two detailed questions egarding two part shown on the photo  (Details of my question in next post as I need to put up  three pictuires and each posts accepts only two max.)

 
Miro


* 131ARgrp4rear.JPG (33.02 KB, 548x668 - viewed 559 times.)
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Fiat Abarth 131 Rally Gr4 1976 (replica)
Fiat 124 Abarth Rally Gr4 1973 (replica)
miro-1980
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« Reply #5 on: January 07, 2010, 05:22:05 PM »

Questions are:


A: diameter of the Anti sway bar


B: the following measurements of the rod ends:

C,D, F,H  and X,Y.


Very hopeful for your help with this !\

Miro.
   
 


* SPHERICAL 1 .jpg (15.23 KB, 321x408 - viewed 563 times.)

* ROD END DIMENSIONS .jpg (106.45 KB, 2652x978 - viewed 565 times.)
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Fiat Abarth 131 Rally Gr4 1976 (replica)
Fiat 124 Abarth Rally Gr4 1973 (replica)
miro-1980
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« Reply #6 on: January 07, 2010, 07:13:06 PM »

fiatfactory

These rod ends were two female in the rear and in the front female (upper) to male (lower).

I would need the same measurements for the front.

There is one more issue.  These spherical bearings key objective waa to allow the connected parts to flex the three dimensions without effecting the strength of the conncetions.
To allow that the upper head was mounted in 90 degree turn position with respect to the lower one. However the spherical bearings must have some distances on the sides ( some swinging area ) see picture 1.

My question is : is there any spacers between the bearing and the mounting brackets (on the lower control arm and the upper bracket to anti sway bar.

If no spacers are present than the "sphere" must be sticking out ( be wider ) than the housing of the baring (see drawing)

I would be most grateful for your answer.

Miro

   

     


* any spacers here .jpg (25.58 KB, 284x600 - viewed 556 times.)

* sphere to housing width .jpg (36.79 KB, 610x562 - viewed 553 times.)
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Fiat Abarth 131 Rally Gr4 1976 (replica)
Fiat 124 Abarth Rally Gr4 1973 (replica)
djape1977
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« Reply #7 on: January 07, 2010, 11:12:30 PM »

quite a bit wider, i'd say and it therefore eliminates the need for spacers.
that rear anty roll bar looks suspiciously like the one on 124 or lada. get under your 124 spider and take a look
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« Reply #8 on: January 07, 2010, 11:42:14 PM »

djape

"QUITE A BIT"  is not accurate enough.  Grin Grin Grin

Are you saying this from the picture or a rod you have in your hand (car).

The way the picture was taken is eye-fooling as the rod si not centered on the "sphare " and thus i9t looks like it is very much wider. In reality I expect the difference to be not mote than 1.5 mm to each side.

Miro
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Fiat Abarth 131 Rally Gr4 1976 (replica)
Fiat 124 Abarth Rally Gr4 1973 (replica)
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« Reply #9 on: January 08, 2010, 04:53:50 AM »

i have taken apart and reasembled front suspension of my lada more times than i wish to remember. i can pretty mych make a scheme of it blindfolded. now i have a 124 spider sway bar taken off and prepared for instalation in my lada so i'll take a pic tomorrow and post here
« Last Edit: January 09, 2010, 08:38:16 AM by djape1977 » Logged

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« Reply #10 on: January 08, 2010, 10:47:45 PM »



today was a crappy weather so i didn't fiddle around cars and parts but heres a old photo of my sway bar setup on lada.
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« Reply #11 on: January 09, 2010, 02:19:31 AM »

djape

when the weather improves I need these measurements ...

Miro  


* rear stabilizing bar .jpg (75.05 KB, 925x605 - viewed 476 times.)
« Last Edit: January 09, 2010, 02:24:38 AM by miro-1980 » Logged

Fiat Abarth 131 Rally Gr4 1976 (replica)
Fiat 124 Abarth Rally Gr4 1973 (replica)
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« Reply #12 on: January 19, 2010, 03:59:44 PM »


anti roll bar from 124 spider. diameter 20mm.
identical on lada, apart from fact that lada one is made of softer steel alloy so its a little bit softer
« Last Edit: January 19, 2010, 10:24:30 PM by djape1977 » Logged

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131grp4
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« Reply #13 on: January 19, 2010, 09:46:56 PM »

Seems all but diameter (13mm) are same as rear 131 Abarth.
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miro-1980
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« Reply #14 on: January 20, 2010, 02:20:06 AM »

djape

Looks very good !

This is something I will, use until I find an original.

 Please tlet me know from what model /year is this ?

I will try to see if I can find one locally.

Miro 

PS : Diameter is indeed different , but unless I find something thinner this will have to do  with this . At least this will never brake !
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Fiat Abarth 131 Rally Gr4 1976 (replica)
Fiat 124 Abarth Rally Gr4 1973 (replica)
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