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Vertical Link Trunnion Thread - LH/RH?


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I believe this has been discussed quite recently, but no matter how I word my query in the search facility, I cannot find the topic.

So, simple question. I'm rebuilding my TR5 with new vertical links and bottom trunnions. Which side gets the RH thread and which side gets the LH thread?

Dave McD

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Hi Stuart,

I bought the items from the Aladdin's Cave of a friend of ours in Lincolnshire. When I asked the question I'd only inspected the vertical links. The trunnions were each wrapped independently, complete with the through bolt, sleeves, bushes, spacers, etc all in a waterproof type binding. When I stripped that off the LH thread one today, sure enough it was stamped LH, though with a different number 5L02222 LH.

Dave

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14 hours ago, Dave McDonald said:

Hi Stuart,

I bought the items from the Aladdin's Cave of a friend of ours in Lincolnshire. When I asked the question I'd only inspected the vertical links. The trunnions were each wrapped independently, complete with the through bolt, sleeves, bushes, spacers, etc all in a waterproof type binding. When I stripped that off the LH thread one today, sure enough it was stamped LH, though with a different number 5L02222 LH.

Dave

That maybe a BL number then Dave.

Stuart.

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Hi Stuart,

They are stamped BL as well as that number.

I've had a communication from "Aladdin" from his Lincolnshire "cave." He says that number is an Alford and Alder part No. A & A, who apparently supplied components to Malcolm Campbell in the 20s and 30s for his Bluebird LSR cars, supplied suspension and steering parts to Standard Triumph and were eventually taken over by Standard Triumph and lived on under the BL umbrella into the 1980s.

"Aladdin" tells me that the number confirms that they are genuine original parts.

See link below to a Motor Sport magazine article about the extensive use of the A & A Triumph upright in high level Motorsport in the 50s and 60s and specialist road cars into the 60s and 70s.

https://www.motorsportmagazine.com/.../67/the-alford-alder-upright

Dave McD

 

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