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Gt rear hydro helper spring
https://ausmini.com/forums/viewtopic.php?f=2&t=98825
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Author:  TOZOOM [ Tue Jul 23, 2019 9:01 pm ]
Post subject:  Gt rear hydro helper spring

Would any one know what rear hydro helper springs for a 72 gt were fitted as i have green stripe ones and orange ones and they are 2 different lengths.

Author:  gtogreen1969 [ Tue Jul 23, 2019 9:18 pm ]
Post subject:  Re: Gt rear hydro helper spring

Orange - AYG7060

Author:  mini210 [ Wed Jul 24, 2019 8:40 am ]
Post subject:  Re: Gt rear hydro helper spring

21A1806

Author:  cooperess [ Wed Jul 24, 2019 11:58 am ]
Post subject:  Re: Gt rear hydro helper spring

gtogreen1969 wrote:
Orange - AYG7060
Isn't the number 21A1806?

Author:  drmini in aust [ Wed Jul 24, 2019 12:13 pm ]
Post subject:  Re: Gt rear hydro helper spring

AYG7060 is the Australian made orange spring number.

Author:  9YaTaH [ Wed Jul 24, 2019 1:24 pm ]
Post subject:  Re: Gt rear hydro helper spring

Its a UK Military codified part...

National Stock Number (NSN)
Description
2510-99-809-7086, 2510998097086
spring assembly, helical
P/N 21A1806
Federal Supply Classification
FSC 2510 - Vehicular Cab, Body, and Frame Structural Components
National Item Identification Number
NIIN 998097086
Codification Country
United Kingdom

So possibly, as used on a UK Moke/Mini...

PS C.O.D. Old Dalby, Melton Mowbray, Leicestershire. During World War II, Old Dalby served as an ordnance and army vehicle Depot. In 1996, this military base was closed

Author:  TOZOOM [ Wed Jul 24, 2019 8:23 pm ]
Post subject:  Re: Gt rear hydro helper spring

Thanks Guys. Does any one know what the length of the orange rods should be as i have 2 different lengths.

Author:  Bill B [ Thu Jul 25, 2019 11:31 am ]
Post subject:  Re: Gt rear hydro helper spring

Do you mean the total length of the spring plus both ends? Or just the eyelet end for the stub axle?
Happen to be cleaning up a pair of these at the moment.
There are 2 different springs: the first were fitted up until some time in early 1966, then replaced by the orange coloured ones used thereafter.
Both springs are meant to be the same overall length of 10.9inches (to centre of eyelet), according to an item in the mk1-forum in UK if you have access:

http://mk1-performance-conversions.co.uk/pdf/hs-c.pdf
Quote from article:
The earlier 1566 spring assembly is described as;
SHORT SPRING, LONG LINK (spring = 6.2”, link = 3”) while the later 1806 spring assembly is described as:
LONG SPRING, SHORT LINK (Spring = 7.8”, link = 1.5”

The diameter of the spring wire is larger in the later types.

Author:  rodmac [ Thu Jul 25, 2019 11:51 am ]
Post subject:  Re: Gt rear hydro helper spring

I think he is talking about displacer to knuckle joint rod?

Author:  Bill B [ Thu Jul 25, 2019 12:11 pm ]
Post subject:  Re: Gt rear hydro helper spring

My mistake.Yes. All that for nothing! Damn.
Rod length is 247mm

Author:  winabbey [ Thu Jul 25, 2019 12:17 pm ]
Post subject:  Re: Gt rear hydro helper spring

Bill B wrote:
My mistake.Yes. All that for nothing! Damn.

Not at all. The data you posted about the springs is there for future reference. ;)

Author:  rodmac [ Thu Jul 25, 2019 4:19 pm ]
Post subject:  Re: Gt rear hydro helper spring

winabbey wrote:
Bill B wrote:
My mistake.Yes. All that for nothing! Damn.

Not at all. The data you posted about the springs is there for future reference. ;)


Completely agree - I certainly learnt something new so thanks! :D

Author:  TOZOOM [ Fri Jul 26, 2019 5:42 am ]
Post subject:  Re: Gt rear hydro helper spring

That is some very good information thank you for that. I have had a few gt over the years some better the others and they all have been different. Some have had green bags, yellow bags green springs, orange springs so its good to know what's should be in it.

Author:  Atay [ Fri Jul 26, 2019 6:41 am ]
Post subject:  Re: Gt rear hydro helper spring

Bill B, what are you doing to clean your springs up ?

Author:  Bill B [ Fri Jul 26, 2019 10:38 am ]
Post subject:  Re: Gt rear hydro helper spring

The pair I am cleaning up now still have a good zinc plating on them so just used a degreaser and wire brush. Others I have washed in a phosphoric acid solution to get dirt and rust off, then had them zinc plated. Doesn't harm the rubber bits inside the spring.

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