Girling or lockheed servo.

PostPost by: davidj » Mon Sep 09, 2019 8:08 pm

Good evening,

The next stage of my S3 SE rebuild is the brake servo, which I wish to retain. Although the original Girling looks to be in good condition, it still needs a service. This would not be an issue for me, other than I can purchase a new Lockheed 1.9 boost servo for the same cost as the refurb kit for the Girling!

Has anyone fitted the Lockheed servo and experienced any issues? I realise I would need a new mounting bracket and the "plumbing" would be slightly different.

Cheers,

David
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PostPost by: Concrete-crusher » Mon Sep 09, 2019 9:11 pm

Years ago I tried refurbing my girling unit with an overhaul kit, it never worked so I bought a Lockheed unit, simple fit very similar to the girling and works well

Steve
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PostPost by: MarkDa » Tue Sep 10, 2019 7:47 am

If it's an original girling unit then I'd pay for it to be remanufactured by someone such as Classic car brakes.(c?200 I think)
They do a great job with new stainless steel sleeving to restore virtually anything.
Many years ago my original servo packed up and I threw it away and replaced it with a slightly larger girling unit (but same pressure) from a scrapped Escort.
Recently I thought about getting an original sized servo until I saw what they cost!
So hang onto the original - however I do have a new Lockheed servo available if you want to go down that route.
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PostPost by: davidj » Tue Sep 10, 2019 8:31 am

I don't think it is the original unit, as it is a mk2b, with a metal bayonet ring holding the tank together. I guess the car (1966 build) would originally have had the earlier mk2a. However ?200 is still over twice the purchase price of a new Lockheed unit at approx ?90.

@Concrete-crusher. Are you happy with the performance of the Lockheed servo. Is the brake feel the same as with the Girling unit?

Thank,

David
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PostPost by: MarkDa » Tue Sep 10, 2019 8:58 am

David
If you do decide on Lockheed I'm open to offers on the one I bought but didn't install.
Mark
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PostPost by: MarkDa » Tue Sep 10, 2019 9:29 am

I'm not sure when the changeover to 2b occurred - yours could be original.
Replacement 2as are like hen's teeth but 2bs are still worth keeping.
Mine was the small diameter and I've ended up with the bigger one - same boost as that's determined by the cylinder ratio.
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