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head gasket doco *started* 

 

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 Post subject: Re: head gasket doco *started*
Posted: Fri Apr 03, 2009 12:56 pm 
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lol as long as it seals and lasts for a year or so im happy :D

 

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mild engine, EL ECU & J3, HI6 & MSD coil

in the shed - .595" lift cam, GT4202, forged AU engine, ems 4424 ecu, glide & 5500 stall - next-bellhousing

{DESCRIPTION} - DOHC BA XR6 engine, T5, AU3 ECU, J3 chip, wideband & logger, ported BBM, 3" intake

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 Post subject: Re: head gasket doco *started*
Posted: Fri Apr 17, 2009 1:18 pm 
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well i went to pick a part for a new head
and after searching and searching had a pot luck pick of a head that looked really clean and looked to have new manifold gaskets.
so pulled it off and sure enough its been recently decked and had a brand new looking head gasket!

so any thoughts on the condition of this one? lol
i got there 45 mins before they shut, so got the head off in half an hour and didnt have a chance to look at others!
the inlet valves are a lil bit burned, but the exhaust valves look to be in great condition and there is very little to no corrosion, where as my last head was fooked!

so yah, any thoughts?
have i just wasted $50 lol

Image

 

_________________

{DESCRIPTION}
mild engine, EL ECU & J3, HI6 & MSD coil

in the shed - .595" lift cam, GT4202, forged AU engine, ems 4424 ecu, glide & 5500 stall - next-bellhousing

{DESCRIPTION} - DOHC BA XR6 engine, T5, AU3 ECU, J3 chip, wideband & logger, ported BBM, 3" intake

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 Post subject: Re: head gasket doco *started*
Posted: Thu Apr 23, 2009 12:34 pm 
Getting Side Ways
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well i got the head on and 99% all done
but stuck on the tensioner
is there anyway i can put it all in, in its extended form?
i cant get the 2 outer bolts undone from each other!
gotta love it lol

 

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{DESCRIPTION}
mild engine, EL ECU & J3, HI6 & MSD coil

in the shed - .595" lift cam, GT4202, forged AU engine, ems 4424 ecu, glide & 5500 stall - next-bellhousing

{DESCRIPTION} - DOHC BA XR6 engine, T5, AU3 ECU, J3 chip, wideband & logger, ported BBM, 3" intake

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 Post subject: Re: head gasket doco *started*
Posted: Thu Apr 23, 2009 2:03 pm 
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no..
you need to get the bolt out to re-set the tensioner and release it..
if you force it in in its extended form you will probably brake the chain guide and shear the bolt holding the sprocket onto the aux shaft..
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 Post subject: Re: head gasket doco *started*
Posted: Thu Apr 23, 2009 3:00 pm 
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lol s**t!
i guess ill be getting those 2 bolts undone then..
cheers

 

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{DESCRIPTION}
mild engine, EL ECU & J3, HI6 & MSD coil

in the shed - .595" lift cam, GT4202, forged AU engine, ems 4424 ecu, glide & 5500 stall - next-bellhousing

{DESCRIPTION} - DOHC BA XR6 engine, T5, AU3 ECU, J3 chip, wideband & logger, ported BBM, 3" intake

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 Post subject: Re: head gasket doco *started*
Posted: Sat May 16, 2009 3:12 am 
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I'm about to do my head gasket tomorrow. will be interesting to see if I get it done in a day.. I've done them before.. but that was xflow XC not one of the alloy heads.

have a mls gasket here and new bolts etc... and repco is walking distance. :-)
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 Post subject: Re: head gasket doco *started*
Posted: Sat May 16, 2009 3:26 pm 
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anyone know any good tricks for getting the bottom bolts on the intake manifold off when the engine is in the bay? I just striped my ratchet spanner trying to get one of the bottom middle ones.

can't get a socket in there... how have you guys been doing it?

tips?

cheers

Frank
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 Post subject: Re: head gasket doco *started*
Posted: Sat May 16, 2009 3:59 pm 
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Best is to remove the complete air filter assembly box if you haven't done so. Then just feed your hand with a ring/open ended spanner onto the bolts and basically do it all by touch. If not, jack the car up and work from underneath to get middles ones out. The rearward ones are the harder ones, but I assume you already got them out?

phong =P~

 

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phongus = Post whore 2006
EL XR6 motor, EL ECU + J3 chip, WADE 1673 Camshaft, 3" S/S intake, Pacy 4480, 2.5" Hi flow cat, 2.5" Lukey exhaust.
Max Power = 144.6 rwkw (03/05/2008)

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 Post subject: Re: head gasket doco *started*
Posted: Sat May 16, 2009 4:35 pm 
Getting Side Ways
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yeah,, the ratchet spanner did those before it stripped..

just went out and got a better one for 30 bucks form repco with a lifetime warranty.. if I strip this one I can just take it back.

also got a bunch of different lengths of thin extensions for 5 bucks from supercr@p.

giving it another go now.
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 Post subject: Re: head gasket doco *started*
Posted: Sat May 16, 2009 4:39 pm 
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{USERNAME} wrote:
yeah,, the ratchet spanner did those before it stripped..

just went out and got a better one for 30 bucks form repco with a lifetime warranty.. if I strip this one I can just take it back.

also got a bunch of different lengths of thin extensions for 5 bucks from supercr@p.

giving it another go now.


Crack the bolt open first with an open ender from the top, or a ring spanner. then use the ratchet spanner...especially if the BBM has never been removed before.

phong =P~

 

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phongus = Post whore 2006
EL XR6 motor, EL ECU + J3 chip, WADE 1673 Camshaft, 3" S/S intake, Pacy 4480, 2.5" Hi flow cat, 2.5" Lukey exhaust.
Max Power = 144.6 rwkw (03/05/2008)

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 Post subject: Re: head gasket doco *started*
Posted: Sat May 16, 2009 6:15 pm 
Getting Side Ways
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Ride: BA XR6T (mix of BA, BF and FG)

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WA, Australia

It's off... now onto the head itself.

Took the rocker cover off and the whole lot is coated with white/brown water/oil also when I took one of the hoses off it shot water 15 foot even though it had only been running for about 20 seconds.

Anyway, I took off the top chain guide bolt and took a look.. it's been snapped about 2 inches from the top from a very long time as the place where it is broken is old and not a new break.

Funny thing is that it didn't make any rattles or anthing that I've heard.. not sure if It's worth worrying about.. might just put it back as it was before when I'm done.
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 Post subject: Re: head gasket doco *started*
Posted: Sat May 16, 2009 8:10 pm 
Getting Side Ways
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Very odd... I have both the gregories and the ford manuals here, and I was expecting all sorts of trouble getting the chain tensioner out...

Turned the bolt under the power steering pump and the whole thing came out.. stuck my fingers in and pulled out everything that the manuals said would be in there.. chain was loose by this point..

now I'm confused as to where I was supposed to stick the tube with 3mm alan key?

anyway, down to the head now... just have to borrow a decent 14mm as mine is missing and 9/16th's won't cut it for head bolts.
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 Post subject: Re: head gasket doco *started*
Posted: Sat May 16, 2009 8:55 pm 
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{USERNAME} wrote:
It's off... now onto the head itself.

Took the rocker cover off and the whole lot is coated with white/brown water/oil also when I took one of the hoses off it shot water 15 foot even though it had only been running for about 20 seconds.

Anyway, I took off the top chain guide bolt and took a look.. it's been snapped about 2 inches from the top from a very long time as the place where it is broken is old and not a new break.

Funny thing is that it didn't make any rattles or anthing that I've heard.. not sure if It's worth worrying about.. might just put it back as it was before when I'm done.


you're going to have fun cleaning the crapped out oil from the engine. Might want to replace the timing chain guides and chain while you are doing the head then...saves you trouble of doing it later on..

phong =P~

 

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phongus = Post whore 2006
EL XR6 motor, EL ECU + J3 chip, WADE 1673 Camshaft, 3" S/S intake, Pacy 4480, 2.5" Hi flow cat, 2.5" Lukey exhaust.
Max Power = 144.6 rwkw (03/05/2008)

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 Post subject: Re: head gasket doco *started*
Posted: Sat May 16, 2009 10:41 pm 
Getting Side Ways
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I have two other good clean lowish km EL motors here..

If this one dies, it'd be easier just to swap motors..

The tensioning chain guide isn't broken, only the back one that stops chain slap has a problem and it can't move out of alignment as it hits the back anyway so I think this was broken last time they changed the gasket and just never replaced.

Had to give up for the evening as I couldn't find my half inch drive 14mm socket and broke two cheapies on the 3/8th.

will buy a decent 14mm at repco tomorrow and pull the head off.

As for cleaning it.. will probably run some diesel though it first then cheap crap oil, followed by decent stuff abit later... always worked in the past.
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 Post subject: Re: head gasket doco *started*
Posted: Sun May 17, 2009 2:32 pm 
Getting Side Ways
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Ride: BA XR6T (mix of BA, BF and FG)

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WA, Australia

Got the head off... cyl 4 has a bit of water in it.. just a few mm.. but no rust or anything.. fairly clean.. no big lips on the bores, no glazing that I could see... head gasket was in a really bad way.. and was a composite...

now for the cleanup and checking.

the head bolts on exhaust site 4 and 5 from front were full of crap.. is that common?
Snapped a 1/2 inch drive Sidcrome extension getting the buggars out.. good fun.
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