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JimEB
November 15, 2017, 7:06pm Report to Moderator
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Hey all,

Can anyone please confirm the internal diameter and cross-section of the o-rings used in the injectors and throttle bodies?

I've seen the following:

4.47mm ID / 1.78mm c/s

17.12mm ID / 2.62mm c/s

Thanks!  


Now the owner of a very naughty Pimento 1973 PI Saloon   (it's all Nick Jones' fault)

Grew up with a 2000 Estate (OJE196J) and my first car was a 2500TC Saloon (WCA964R) - both no longer with us  
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rlubikey
November 15, 2017, 7:48pm Report to Moderator

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Hi JimEB. For the O-Rings in the injectors, I measured the ones supplied by a well respected vendor as 4.5x1.6mm, so I would say your first size is indeed correct. An article on changing the O-rings in the TR Register comic pointed out that new rings should be Viton to resist modern fuel and suggested using an oversized c/s of 2mm. Knowing that Viton takes a set - more so than some other materials - I tried 4.5x2mm and can confirm that they j- j- j- just about fit. I used Silicone grease to prevent damage during assembly.

Cheers, Richard


From the sublime to the ridiculous - but which is which???
Spitfire 2.5PI
New(ish) exhaust - sounds
sweeter than a wheelbarrow!
Atlas - restoration
in progress

Latest post 21-1-17
Reading, Berks.
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piman
November 15, 2017, 10:06pm Report to Moderator


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Hello Jim,

is there a confusion as to which 'O' rings you are talking about, the body 'O' rings are likely to be ths second size, and the first the internal 'O'rings?

Alec


Oswestry, Shropshire.

Mk1 1\2 P.I.,Jaguar Mk 2, very long term restoration. Jaguar X Type estate 2.5, Hymer 564 motorhome.
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JimEB
November 16, 2017, 4:47pm Report to Moderator
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Thanks Richard  

Alec - yes, I'm referring to the ones in the injector AND the throttle body  


Now the owner of a very naughty Pimento 1973 PI Saloon   (it's all Nick Jones' fault)

Grew up with a 2000 Estate (OJE196J) and my first car was a 2500TC Saloon (WCA964R) - both no longer with us  
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mpbarrett
November 17, 2017, 3:34pm Report to Moderator
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I recently sold my spare ones on Ebay. Here is the details and the suppliers name

cheers
mike



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"Little Red", 13/60 Herald convertible with 1500 engine and O/D, (1/2 2007 10CR, 1/2 2009 10CR and 1 RBRR). March 2013 Back from darkest Norfolk and now very shiny.... 2017 rust coming thru again
"Little Blue", 2.5L GT6 mk3, Didnt do the 2009 10CR as it refuses��to leave East Anglia. Didnt finish 2010 RBRR due to vibration for propshaft and very doggy ignition. Finished the 2011 10CR, getting ready for the 2013 10CR. Broke down up a 2650M mountain. Now with new owner.
"Little Silver" Triumph Acclaim. Now owned by the editor of Triumph World. Since been sold on....
"Big Blue" 1972 blue TR6 the new toy Was fun one 10CR and a trip thru the Alps. Now in Wales.

Back to the Herald (about to get Megasquirted), Jag XK8 and a campervan.
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JimEB
November 17, 2017, 5:20pm Report to Moderator
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Hi Mike,

I saw these on eBay and grabbed the spec - missed out in the auction though  

Thanks!


Now the owner of a very naughty Pimento 1973 PI Saloon   (it's all Nick Jones' fault)

Grew up with a 2000 Estate (OJE196J) and my first car was a 2500TC Saloon (WCA964R) - both no longer with us  
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mpbarrett
November 17, 2017, 9:16pm Report to Moderator
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I was surprised how easily it to sell TR6 bits and get good prices all helping to fund work on my Herald. I have a nice set of metering unit spanners selling at the moment!

cheers
mike


"Little Red", 13/60 Herald convertible with 1500 engine and O/D, (1/2 2007 10CR, 1/2 2009 10CR and 1 RBRR). March 2013 Back from darkest Norfolk and now very shiny.... 2017 rust coming thru again
"Little Blue", 2.5L GT6 mk3, Didnt do the 2009 10CR as it refuses��to leave East Anglia. Didnt finish 2010 RBRR due to vibration for propshaft and very doggy ignition. Finished the 2011 10CR, getting ready for the 2013 10CR. Broke down up a 2650M mountain. Now with new owner.
"Little Silver" Triumph Acclaim. Now owned by the editor of Triumph World. Since been sold on....
"Big Blue" 1972 blue TR6 the new toy Was fun one 10CR and a trip thru the Alps. Now in Wales.

Back to the Herald (about to get Megasquirted), Jag XK8 and a campervan.
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Nick Jones
November 17, 2017, 9:55pm Report to Moderator

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Polymax is another excellent supplier of O-rings

https://www.polymax.co.uk/o-rings/  (suggest Viton material)

Nick


Nick Jones
Somerset UK

Vitesse Mk 1.5 Convertible EFI, Survivor of RBRR 2008, HCR & 10CR 2009, HCR 2010, 10CR2011, HCR 2012, 10CR2013, 10CR2015, HCR 2016 & HCR 2017.
GT6 Mk3 Roto - project in progress
Spitfire MKIV son's project now on the road as a daily driver
2.5 PI Saloon now EFI (PIe?), Engine rebuilt and running sweet.  Diff howling...... Survivor of HCR 2013 & 2014 Gone to live in Swansea

http://www.tengaston.plus.com
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JimEB
November 23, 2017, 9:04am Report to Moderator
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Thanks Nick  


Now the owner of a very naughty Pimento 1973 PI Saloon   (it's all Nick Jones' fault)

Grew up with a 2000 Estate (OJE196J) and my first car was a 2500TC Saloon (WCA964R) - both no longer with us  
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