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Triumph Torque    Cars    Herald/Vitesse  ›  Vitesse 2 litre tappet noise
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Vitesse 2 litre tappet noise Print
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daver clasper
November 12, 2017, 7:17pm Report to Moderator
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Hi.

Been running car without gearbox cover on lately, due to some ongoing work, so therefore more mechanical noise is evident.

I can hear what I think is fairly loud tappet noise when running (though not much at idle), though seems to quieten down more when engine warms up.

Some of the rocker arms have some wear/indents, so haven't been able to set accurately (kinda working on this, allowing for the extra gap).

So. Wondering if this is a problem, as in causing damage to the valve train, and what parts in particular it may be damaging.

any help great thanks

Cheers, Dave  



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Mark Hammond
November 12, 2017, 7:40pm Report to Moderator

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With the tunnel off you’ll hear all sorts of noises.  If you can hear it with the cover on or outside the car with the bonnet up then that’s when I’d start investigating.

Mark


Herald 1200 Saloon, owned (in the family) from new, Royal Blue/Black trim
[color=purple]MX-5 Z-Sport (Tweaked to 200bhp)2007,
Suzuki Vitara S Auto, Cosmic Black, 2017.
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Pete Lewis
November 13, 2017, 9:46am Report to Moderator

Tssc Herts and Beds A.O.
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Dave , having a wide gap with some noise is better than a quiet but tight gap,  tight gaps burn valves , wide gaps are just annoying

cant get them these days but a round wire feeler is a alternative way of gauging a worn rocker facing

you could remove the rockers and fettle them down to smooth contoured finish , they are heat treated but quite easy to grind file or paper an improvement

things like Klic adjust can help but you need a accurate gap to set up the clicks

with engine on idle  use an old feeler to insert in the gap , if it goes quiet thats the one to look at
we did this on a GT6 on my Twiddle day at Tssc HQ
Pete


1964 1600 Vitesse 6 Cactus and Black , now  sold
now have T2000   Mk2 saloon in French Blue/grey trim  been  restored without running since 1997
now has power steering ,poly bushed and Alfa 156 seats
location  Luton
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JohnD
November 13, 2017, 3:02pm Report to Moderator


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A tool that allows tappet setting without feeler gauges, and auto compensates for worn tappets is the ClickAdjust.
https://www.machinemart.co.uk/.....iEAQYASABEgIgnvD_BwE

John


Serial Vitesse racer.

Old Blue.  1995-2001
Silverback. 2001-2007
SofS. 2007 - to date.

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Pete Lewis
November 14, 2017, 2:27pm Report to Moderator

Tssc Herts and Beds A.O.
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got one  John,    but you still have to know the gap to allow you to count the clicks to start  with in order to set the rest up with the 'known clicks' and its easy to be ham fisted .

Ill  still  stick to touchy feeler...old school
there used to be a nice micrometer barreled  one but not seen that for years   who made them ???
pete


1964 1600 Vitesse 6 Cactus and Black , now  sold
now have T2000   Mk2 saloon in French Blue/grey trim  been  restored without running since 1997
now has power steering ,poly bushed and Alfa 156 seats
location  Luton
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Dannyb
November 14, 2017, 7:04pm Report to Moderator

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when I use my click adjuster I first set it up with a feeler gauge and count how many clicks it takes to close the gap. If it's a 10 thou gap and it takes 20 clicks I then know it's 1 click for 1/2 thou. You do need to use two feeler gauges so you only measure the bottom one . you have to leave the one on the rocker side to bridge any indentations. If that makes sense.


Danny Baker
Langdon Hills, Essex.
RBRR Finisher 2012  2014  2016
My first car in 1970 was a 1965 Spitfire4 with 8 port head stage 2 conversion
Now drive 1980 Spitfire 1500
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JohnD
November 15, 2017, 7:17pm Report to Moderator


Posts: 6,792
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It's seven clicks.
The Q is how many clicks to a full turn, and what is the pitch on the adjusting screw.
I've just got out my SPQR and it's 30 clicks to a full turn.
I'm not sure what the pitch is, but I've counted it and it's 24 threads per inch.
We want 10 thou, and 24tpi is 42 thou per full turn, or 30 clicks.

So 10 thou = 42 x 10/30 = 7.14 clicks.
15 hundredthousanth of an inch makes no bloody difference!  It's seven clicks!

John


Serial Vitesse racer.

Old Blue.  1995-2001
Silverback. 2001-2007
SofS. 2007 - to date.

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Dannyb
November 16, 2017, 8:02am Report to Moderator

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Thanks John,  sounds about right. I remember writing down inside the box of the click adjuster  when I worked it out so I would remember next time. I do believe it was 7 clicks.


Danny Baker
Langdon Hills, Essex.
RBRR Finisher 2012  2014  2016
My first car in 1970 was a 1965 Spitfire4 with 8 port head stage 2 conversion
Now drive 1980 Spitfire 1500
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JohnD
November 16, 2017, 12:08pm Report to Moderator


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Glad your not arguing with actual measurement!
I dont like it when people argue with measurement.
And you wouldn't like me when measurement is argued with!

Big, big smiley!
John

PS you can work out the required clicks for any gap, any car in the same way.


Serial Vitesse racer.

Old Blue.  1995-2001
Silverback. 2001-2007
SofS. 2007 - to date.

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JohnD
November 25, 2017, 7:01pm Report to Moderator


Posts: 6,792
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Confession time!

Going through old files of notes on my car, by chance I've found the original Draper/SPQR Information sheet.
And it gives the tappet gap for Triumphs correctly as 10 thou, but interprets that as FIVE clicks!

Even geniuses can be wrong!
John


Serial Vitesse racer.

Old Blue.  1995-2001
Silverback. 2001-2007
SofS. 2007 - to date.

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