Thanks to all for your contributions. 

33 minutes ago, DPC said:

OK. More confusion. Tappets used to be just under the rocker cover for easy access. I guess the things i am going to adjust tomorrow, that look very much like the tappets of old must be now called something else!!! 

 

He means the hydraulic lifters. Some people call them hydraulic tappets.

Edited 13 September, 20223 yr by TMB

The hydraulic lifters are these.....

 

 

 

57 minutes ago, DPC said:

i did this was on a Midget about 30 years ago

BL A series engine?

1 hour ago, DPC said:

OK. More confusion. Tappets used to be just under the rocker cover for easy access. I guess the things i am going to adjust tomorrow, that look very much like the tappets of old must be now called something else!!! 

 

Nah, they're rockers, always have been.

On 13/09/2022 at 22:55, sepulchrave said:

 

Nah, they're rockers, always have been.

Yup, my Dad explained that one to me whilst rebuilding a 1275 A-series, about 50 years ago.  Not actually any such thing as tappets, usually rockers with lifters of some variety.  "Adjusting the tappets" just refers to setting the gap (if required) between the rocker arms and pushrods, or lifters.  The old man reckoned the name probably came from the tapping noise they made if incorrectly adjusted.

46 minutes ago, Owainsdad said:

Not actually any such thing as tappets

Yes there are, but the tappets make direct contact with the cams. What most people refer as "tappets" are actually various forms of slack adjusters.

Please note - I am not a mechanic or expert in anything.

 

6 hours ago, Owainsdad said:

"Adjusting the tappets" just refers to setting the gap (if required) between the rocker arms and pushrods, or lifters.  The old man reckoned the name probably came from the tapping noise they made if incorrectly adjusted.

I reset the valve clearances or "checked/adjusted the tappets" on my (recently former) A-series 1275 engine only a matter of weeks ago as part of the annual service (don't bother at six-months service).  You get noise even if they're adjusted correctly (not that I'm any good at it) that's partly why the aftermarket alloy rocker covers are fitted, that and bling, and vanity/ego if you have a name on it or put on it.  Then of course you can colour match it to the engine bay, the car body, your racing team colours or your favourite nail polish.  They do of course add a few hp (or fraction of with an A-series).

 

 

Edited 15 September, 20223 yr by nta16

7 hours ago, KenONeill said:

Yes there are, but the tappets make direct contact with the cams. What most people refer as "tappets" are actually various forms of slack adjusters.

I've always called the part in direct contact with the cam a cam follower.

18 minutes ago, Warrior193 said:

I've always called the part in direct contact with the cam a cam follower.

It's that too, but I got my information from the Wikipedia article in this case.

Hello to everyone.

 

Just a noob question and maybe stupid.hehe

When you say two turns you mean two full turns?Because my head gasket is dead and i have compression in water tank.It is my first time to change skoda head gasket.

 

Thank you and greetings from Greece and happy new year.

My engine code is AZF

1 hour ago, simeonGR said:

When you say two turns you mean two full turns?

 

Yes

23 minutes ago, TMB said:

 

Yes /cdn-cgi/mirage/b8e8ebc045da5e043352d9bb303bd2b482bb382e4e5e954644608e4c4089860c/1280/https://www.briskoda.net/forums/uploads/emoticons/emoticon-0100-smile.gif

Thank you so much.

 

Peter