Lotus Elan

Track rod end thread

PostPost by: 69S4 » Mon May 07, 2018 11:58 am

Anyone know what the thread pitch is for the track rod ends - trying to adjust toe in. As far as I know it's the original rack and track rods as fitted by Lotus back in 69.
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PostPost by: elanman999 » Mon May 07, 2018 12:29 pm

They are 1/2" UNF, which has a pitch of .050".
Cheers
John
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PostPost by: 69S4 » Mon May 07, 2018 12:52 pm

That's fantastic. Thanks.
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PostPost by: Craven » Mon May 07, 2018 1:45 pm

It?s a rolled thread therefore the diameter is larger than the bar on which it?s formed, you cannot increase the thread length with a die.
FWIW.
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PostPost by: 69S4 » Mon May 07, 2018 2:37 pm

Craven wrote:It?s a rolled thread therefore the diameter is larger than the bar on which it?s formed, you cannot increase the thread length with a die.
FWIW.


Not trying to do anything like that. Just adjusting the toe and needed to know how much one turn of the track rod would extend / contract the arm by.
Stuart Holding
Thame UK / Alpe D'Huez France
69 S4 FHC
Honda GoldWing 1800
Honda CBX1000
Kawasaki H1 500
Yamaha XS2
69S4
Coveted Fifth Gear
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Posts: 1211
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