Alfa Romeo Owners Club of Australia Forum

Technical => 160 Series (90, 75, 164 Sedans) => Topic started by: ARQ164 Shane on April 26, 2012, 09:07:43 PM

Title: Tighting my head
Post by: ARQ164 Shane on April 26, 2012, 09:07:43 PM
Hi All,
has any one ever retight the cylinder head after a year or two ???
It's seems that the R/hand side of my v6 has loose tapped NO.1 inlet only and a very littile amout of oil
in the water when it's left it seat for more than 2 weeks.
But when the is used a lot, the oil leak stops and the tappers are a lot quieter .
any thought ?
PS I have no water in oil at all in the sump.

Title: Re: Tighting my head
Post by: Storm_X on April 27, 2012, 09:52:42 AM
Get new gaskets to be safe
Title: Re: Tighting my head
Post by: Duk on April 27, 2012, 11:18:54 AM
Quote from: Choderboy on April 27, 2012, 12:37:28 AM
Can you please re-type this in the form of an actual question instead of indecipherable dribble?

Quote from: alphie75 on April 26, 2012, 09:07:43 PM
Hi All,
has any one ever retight the cylinder head after a year or two ???

That looks like a question to me.

I've not done it myself.
It can't hurt to carefully run a torque wrench back over the head nuts in the correct order. It's probably a good 1st step for the problems you mentioned but not necessarily a guarantee of success. 
I know Greg Gordon recommends it if you plan to add forced induction to your engine.
Title: Re: Tighting my head
Post by: ARQ164 Shane on April 27, 2012, 05:02:46 PM
I know that i'm playing with fire .
The last thing I want to do is snap a head stud.
But I tought mite as well try will I've be painting the covers .
Title: Re: Tighting my head
Post by: ARQ164 Shane on April 27, 2012, 05:14:47 PM
cam cover with VHT high temp paint ( wrinkle plus)
Title: Re: Tighting my head
Post by: Duk on April 27, 2012, 05:45:31 PM
Quote from: alphie75 on April 27, 2012, 05:02:46 PM
I know that i'm playing with fire .
The last thing I want to do is snap a head stud.
But I tought mite as well try will I've be painting the covers .

There's no fire with retorquing head nuts as long as it's done to factory specs.

The parts look good. I just did 1 cam cover and plenum chamber in VHT gloss black, but I'm not totally sold on it. Might get a can of wrinkle and redo them.
Title: Re: Tighting my head
Post by: ARQ164 Shane on April 27, 2012, 06:14:38 PM
cheers m8 I pay $18 buck a can.
There is a guy on ebay in the US how wants about $350.
Title: Re: Tighting my head
Post by: ARQ164 Shane on April 29, 2012, 03:12:33 PM
UPDATE ;All dune and back together. thank you to the peolpe that help on this forms .

Awesome guy cheers.
Title: Re: Tighting my head
Post by: Storm_X on April 29, 2012, 05:53:36 PM
Should have ran the sander over the top to get the Alfa Romeo , 6c and the lines in silver
Title: Re: Tighting my head
Post by: ARQ164 Shane on April 29, 2012, 06:55:30 PM
I thought about it but I decided i stuff it up so I don't .
Look's good I think.
Title: Re: Tighting my head
Post by: Duk on April 29, 2012, 08:50:37 PM
Quote from: Storm_X on April 29, 2012, 05:53:36 PM
Should have ran the sander over the top to get the Alfa Romeo , 6c and the lines in silver

LOL! I did this with my plenum chamber (but in gloss black  :-\) and I just used some wet and dry paper and a block. More work than I thought, but looks better than when it was all black.
Been a lazy SOB (actually been doing wiring and making extractors) and not touched the drivers side cam cover or even painted the passenger side cover.

Keep us in the loop with the oil leakage into the coolant after sitting, Alphie.
Title: Re: Tighting my head
Post by: ARQ164 Shane on April 30, 2012, 06:11:52 PM
Howdy m8,
(making extractors ) you must have lots of money I looked at that but it was way more then $600 buck.
You buy a set for vince for about $600 or EB in the UK for same money + post .


http://www.ebspares.co.uk/75.htm
http://www.alfabb.com/bb/forums/alfetta-gtv6-1975-1986/148638-supersprint-exhaust-116-gtv6.html

Good luck with it all.
I will let you konw how i get on with the oil leak.
Cheers Shane
Title: Re: Tighting my head
Post by: Duk on April 30, 2012, 09:37:17 PM
Quote from: alphie75 on April 30, 2012, 06:11:52 PM
Howdy m8,
(making extractors ) you must have lots of money I looked at that but it was way more then $600 buck.
You buy a set for vince for about $600 or EB in the UK for same money + post .


http://www.ebspares.co.uk/75.htm
http://www.alfabb.com/bb/forums/alfetta-gtv6-1975-1986/148638-supersprint-exhaust-116-gtv6.html

Good luck with it all.
I will let you konw how i get on with the oil leak.
Cheers Shane

You've lost me.
If I'm making them, it means I've got less money than time. Raw materials was nearly $300 and I made the flanges at work.
After completing the driver's side, I got fed up with the passenger's side and refitted the original manifolds.
Title: Re: Tighting my head
Post by: ARQ164 Shane on May 01, 2012, 10:10:38 AM
sorry ,Thought you were looking for options for headers .
Title: Re: Tighting my head
Post by: ARQ164 Shane on May 05, 2012, 12:37:53 PM
Howdy,
This is my frist vid on you tube so it not the best.
The alfa sound tapp'y but this is a cold start you will see the "new ebay" air /fuel and the tacho.
while filming I notes that went I put my foot under slow the a/fuel gauge move into the rich ,
then goes to lean .Is this normal running.?

http://www.youtube.com/watch?v=wInv98EHaDo

hope this works
Title: Re: Tighting my head
Post by: Duk on May 05, 2012, 01:04:55 PM
Quote from: alphie75 on May 05, 2012, 12:37:53 PM
I notes that went I put my foot under slow the a/fuel gauge move into the rich ,
then goes to lean .Is this normal running?

That does sound strange.

KSiviour, any relation to the farmer Sivious from Cowell up near where I am, Whyalla?
Title: Re: Tighting my head
Post by: festy on May 05, 2012, 01:47:29 PM
With only being able to compare the AFR gauge to the engine sound in that vid, it looks like pretty normal AE/DE behaviour to me.
While the accellerator is being depressed, extra fuel is added (this is AE, or accelleration enrichment mode) but if you hold the pedal in one spot, AE mode is cancelled so the extra enrichment is stopped - which results in a leaner AFR.
When you lift off the pedal, fuel is cut/reduced (this is DE, or decelleration enleanment mode) in anticipation of a lot less air entering the engine.
Title: Re: Tighting my head
Post by: ARQ164 Shane on May 05, 2012, 07:05:03 PM
Hi guys,
Duk , yes all the Siviour are related around red hill, port pirie,crystal .etc

Festy , yes you maybe right .