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TR7th Heaven
February 12, 2012, 3:16pm Report to Moderator


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Having just spent a small fortune on a recon gearbox for my Vitesse I want to protect my investment.
Mike Papworth reconditioned the box and recommended standard EP80w90 mineral oil. I asked him if there was any advantage in using synthetic but he said no. In his opinion synthetic is too thin (it's viscosity does seem to be rated slightly differently at EP75w90).
However, Canley Classics 'hints and tips' page recommends synthetic oil in gearboxes.
What do you guys think?
Is anyone using synthetic in their gearbox?
If so, how is it?
I know it's expensive but it isn't changed often so might be worth it?
Thanks in advance,
Rich  


Bootiful Norfolk
1970 Triumph Vitesse MKII

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Mark Hammond
February 12, 2012, 3:33pm Report to Moderator

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If Mike Papworth has recommended using mineral oil in the gearbox then I would heed his advice.  He is the leading authority on transmissions.  

M.


Herald 1200 Saloon, owned (in the family) from new, Royal Blue/Black trim
[color=purple]MX-5 Z-Sport (Tweaked to 200bhp)
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cliftyhanger
February 12, 2012, 6:03pm Report to Moderator

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I have wondered about this. I have a type 9, and like triumph boxes requires a GL4 spec oil. However it needs 75/90 (the earlier recommendation was ep80 I believe)so I suspect they specified a "better" oil when it became available

I just bought 2 litres of comma 75/90 GL4 (recommendd by BGH, a respected gearbox builder) for my type 9. Cheapest supplier was Amazon.

Don't be tempted by GL5 spec stuff.

If it would be good in a triumph? no idea, I would use a good 80/90 GL4. Not expensive either.


Clive Senior

Location-Brighton, East Sussex
Foxy is here, 1500od tax exempt Toledo. Now has the decent engine back in Slant 4 engine bolted in, sprint box and axle.Now has fresh MoT. Needs paint though.
Spitfire Zetec project is started work progressing slooooowly on the road!
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TR7th Heaven
February 13, 2012, 7:06pm Report to Moderator


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Yes Mark, you're quite right. I should use the oil specified by the guy who rebuilt it to protect my warranty, even if there are better options available that he might not be aware of.
My recon box is as good as I'm going to get using the parts that are available. Mike Papworth has used NOS 2nd and 3rd gears and new or good secondhand components so the box is much, much quieter than before. However, it's not silent, which to me suggests that some components have some wear. It's this wear I want to minimise and I'm asking whether synthetic oils will do that better than traditional mineral oils.
Thanks all for your input.
Please feel free to continue.
Rich  


Bootiful Norfolk
1970 Triumph Vitesse MKII

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Mark Hammond
February 13, 2012, 9:14pm Report to Moderator

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I think synthetic oil is unlikely to make your gearbox quieter.  Please remember that these gearboxes were far from silent when new and were troublesome on the new cars, often giving rise to warranty claims.  Thinner synthetic oil is likely to make the 'box noisier and run hotter thus promoting wear.  I think it highly unlikely that there are oils on the market that Mike isn't aware of.  Sorry to disillusion you, but I doubt that you'll ever find a silent Vitesse gearbox, I wish you well in your quest for the Holy Grail!



M.


Herald 1200 Saloon, owned (in the family) from new, Royal Blue/Black trim
[color=purple]MX-5 Z-Sport (Tweaked to 200bhp)
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tiggrr1
February 13, 2012, 9:44pm Report to Moderator

Steve Thompson
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I would stick to what Mike suggests.

I would also recommend you change your gear oil every 12 months if you use the car a lot, frequent oil changes are cheaper than gearbox rebuilds  

Some may say that is overkill but every little helps.


My infrequently updated Blog http://gtsixing.blogspot.com/
                                                                                                                                           



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TR7th Heaven
February 13, 2012, 10:26pm Report to Moderator


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Yes, I think you're probably right fellas.
I've put Comma EP80w90 GL4 in it (which is what I always used in my Spitfires).
It seems to be a pretty good oil so I'll stick with that.
I'll do 150 - 200 miles then drain and re-fill with fresh oil.

Mark, I think you're right. I read a reproduced magazine article from the early 70s recently (It may have been in Club Torque) about buying a secondhand Vitesse only a couple of years old with very few miles on it and the reviewer complained about gearbox noise in second and third gear! So they must have started wearing straight out of the factory. Incredible!

tiggrr1, sound advice. It's such a small capacity changing it every year will cost less than a tenner, so I'll do that.

Thanks again,

Rich  




Bootiful Norfolk
1970 Triumph Vitesse MKII

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Scimher
February 14, 2012, 12:57am Report to Moderator

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If it's not an overdrive box..... a dose of 'molyslip' should make it a bit quieter..(but what that would do in the event of any warranty work, I don't know!)
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timraven
February 14, 2012, 1:24am Report to Moderator


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With a recon box is it necessary to change the oil after a few hundred miles? I only ask because I've just put one in, and have done about 600 miles on the same oil I put in to start with.

Cheers
Tim


Tim Ravenhall20 years old
Hall Green, Birmingham

Proud owner of a tatty green mk 4 Spitty
And a soon to be gorgeous blue and white 13/60 convertible
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junkuser
February 14, 2012, 6:17am Report to Moderator

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"a dose of 'molyslip' should make it a bit quieter."

May interfere with grip of synchro cones so could make things noisier.
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uksnatcher
February 14, 2012, 10:48am Report to Moderator

DAN DAN DAAAAAAAAN................ITS HIM !
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Quoted from timraven
With a recon box is it necessary to change the oil after a few hundred miles? I only ask because I've just put one in, and have done about 600 miles on the same oil I put in to start with.

Cheers
Tim


Tim, swarf from the bedding in of baulk rings (synchros), bearings etc and vaseline/grease from initial rebuild of rollers etc will be present on a new box...swill it out with a few 100 miles usage then refill with new oil. Your gearbox IS due an oil change..!

Comma GL4 spec oil, no additives, regular 12mth oil change......low cost and all you need..


Gaz
1972 IV 1500 Spitfire "Meatball"

4 sweaty 10CR's 2009, 2011, 2013 & 2015 Co-pilot with Geordie Steve's Tiggrr1 GT6
2010 + 2012 International AutoEcosse with Geordie Steve's Tiggrr1 GT6
The Raider's Triumph 2012 Co-pilot with Geordie Steve's Tiggrr1 GT6
2014 winners 'Best Club' Southport 'Woodvale Rally'

A must for all Spitfire fans....
https://www.youtube.com/watch?v=PpepDRqcFCo


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mazfg
February 14, 2012, 11:52am Report to Moderator


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Current: Triumph Vitesse 6 convertible with O/D 1964

21 Years ago...and my first car! : Triumph Herald 1200 Saloon/ Tristan conversion 1966
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TR7th Heaven
February 14, 2012, 7:39pm Report to Moderator


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It's an overdrive box so can't add Molyslip or Slick 50.
The reconditioner said I could change the oil after a couple of hundred miles but it wasn't essential!
Cheers,
Rich  


Bootiful Norfolk
1970 Triumph Vitesse MKII

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Nick Jones
February 14, 2012, 8:57pm Report to Moderator

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I use Redline MTL90  (from Opie Oils).

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.
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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