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Engine rebuild parts list/cost/requirements/information 

 

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 Post subject: Re: Engine rebuild parts list/cost/requirements/information
Posted: Mon Oct 03, 2011 9:48 pm 
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phongus wrote:
EFFUTURA4.05SP wrote:
If that is the play between the journal and bearing its f**k BIG time!!

It isnt a loose retaining plate?


From what I could see...the plate doesn't seem loose, but then again I may be thinking of a different part.

I'll probably remove the sprocket tomorrow and see how it looks like behind it. Pretty sure the block is buggered.

can they bore and bush it,at that failure rate ,blocks will become rare.

 

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 Post subject: Re: Engine rebuild parts list/cost/requirements/information
Posted: Mon Oct 03, 2011 9:59 pm 
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hans hartman wrote:
phongus wrote:
EFFUTURA4.05SP wrote:
If that is the play between the journal and bearing its f**k BIG time!!

It isnt a loose retaining plate?


From what I could see...the plate doesn't seem loose, but then again I may be thinking of a different part.

I'll probably remove the sprocket tomorrow and see how it looks like behind it. Pretty sure the block is buggered.

can they bore and bush it,at that failure rate ,blocks will become rare.


Well I am going to pull everything out and then take it to the engine rebuilder to see what they got to say. I am hoping they can bore it out, and press something in, but that just sounds expensive to me.

 

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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: Engine rebuild parts list/cost/requirements/information
Posted: Mon Oct 03, 2011 10:07 pm 
Getting Side Ways
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get a quote to,bore,bone,deck,clean and fix it and a new shaft

 

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 Post subject: Re: Engine rebuild parts list/cost/requirements/information
Posted: Mon Oct 03, 2011 10:53 pm 
Getting Side Ways
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Well My new engine had 270 000 ks and my old one had 360 000ks and either had any play so id be looking at the oil galeries that feed the bearing for blockages too.

 

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1996 EF Futura factory manual
Fully rebuilt engine,Decked, Honed, Bored, Tolerences spot on, Wade 1673, Extractors, 2.5" zorst, 3" CAI, High flow filter, Exedy sports tuff clutch, Chiptorque tune.
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 Post subject: Re: Engine rebuild parts list/cost/requirements/information
Posted: Mon Oct 03, 2011 11:05 pm 
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EFFUTURA4.05SP wrote:
Well My new engine had 270 000 ks and my old one had 360 000ks and either had any play so id be looking at the oil galeries that feed the bearing for blockages too.


I think it was the chain tension to be honest. I replaced the camshaft sprocket on that engine without checking the tensioner. When I started to pull things apart, the piston of the tensioner assembly was stuck in the timing case...I had to hammer it out :?.

But I will have a look at all the galleries to make sure they are clear too. Thanks :)

 

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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: Engine rebuild parts list/cost/requirements/information
Posted: Tue Oct 04, 2011 12:29 am 
Getting Side Ways
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phongus wrote:
EFFUTURA4.05SP wrote:
Well My new engine had 270 000 ks and my old one had 360 000ks and either had any play so id be looking at the oil galeries that feed the bearing for blockages too.


I think it was the chain tension to be honest. I replaced the camshaft sprocket on that engine without checking the tensioner. When I started to pull things apart, the piston of the tensioner assembly was stuck in the timing case...I had to hammer it out :?.

But I will have a look at all the galleries to make sure they are clear too. Thanks :)

.22rifle bore brush and any larger after the block cleaning,if you can get

 

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 Post subject: Re: Engine rebuild parts list/cost/requirements/information
Posted: Tue Oct 04, 2011 11:17 am 
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there is a bush you can get to repair the block if its damaged too much. however the cost of installing it, can sometimes outweigh the price of a 2nd hand block

 

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 Post subject: Re: Engine rebuild parts list/cost/requirements/information
Posted: Fri Oct 07, 2011 6:56 pm 
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macxr8 wrote:
there is a bush you can get to repair the block if its damaged too much. however the cost of installing it, can sometimes outweigh the price of a 2nd hand block


Yeah was concerned with the cost involved if they do repair it. I'll find out when I have some time off during the week and take the block to the specialist.

Took the auxiliary shaft off the block and found the hole has been worn out. I have attached images so you can have a look for yourself. (Images haven't been resized...so a little big if you're browser doesn't resize it to fit)

First is the auxiliary shaft itself. It has pits on the journal and isn't very smooth...I say it is cactus.

Image

Secondly, the hole in the block. Front on...you can see on the right of the image the hole is tapered as it should, while the left has none what so ever...

Image

Lastly, a shot of the hole on an angle revealing the sharp edge. The hole was pretty much carved out leaving about 2mm deep lips...not healthy.

Image

So all in all, the block is stuffed at the auxiliary shaft...might be able to fix it or not...but will be a while before I can find out. In the mean time I might see if there are cheap blocks going around.

 

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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: Engine rebuild parts list/cost/requirements/information
Posted: Fri Oct 07, 2011 7:51 pm 
Getting Side Ways
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You caught that just in time.

I've had a thought about preventing it.

If you can get a dual race roller bearing with an OD that fits a good condition block, You could have the shaft turned down and use a slight interference fit on the shaft. That should fix it for good.

At the same time you could 'slot' original bearing bore to provide a jet of oil on to the dizzy drive.

 

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 Post subject: Re: Engine rebuild parts list/cost/requirements/information
Posted: Fri Oct 07, 2011 7:57 pm 
Getting Side Ways
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Age: 66

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Joined: 18th Mar 2006

Ride: EF-XR8chaser

Location: wollongong
NSW, Australia

phongus wrote:
macxr8 wrote:
there is a bush you can get to repair the block if its damaged too much. however the cost of installing it, can sometimes outweigh the price of a 2nd hand block


Yeah was concerned with the cost involved if they do repair it. I'll find out when I have some time off during the week and take the block to the specialist.

Took the auxiliary shaft off the block and found the hole has been worn out. I have attached images so you can have a look for yourself. (Images haven't been resized...so a little big if you're browser doesn't resize it to fit)

First is the auxiliary shaft itself. It has pits on the journal and isn't very smooth...I say it is cactus.

Image

Secondly, the hole in the block. Front on...you can see on the right of the image the hole is tapered as it should, while the left has none what so ever...

Image

Lastly, a shot of the hole on an angle revealing the sharp edge. The hole was pretty much carved out leaving about 2mm deep lips...not healthy.

Image

So all in all, the block is stuffed at the auxiliary shaft...might be able to fix it or not...but will be a while before I can find out. In the mean time I might see if there are cheap blocks going around.

thrust and no oil pressure=wear

 

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 Post subject: Re: Engine rebuild parts list/cost/requirements/information
Posted: Fri Oct 07, 2011 9:21 pm 
Getting Side Ways
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Damn!

 

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1996 EF Futura factory manual
Fully rebuilt engine,Decked, Honed, Bored, Tolerences spot on, Wade 1673, Extractors, 2.5" zorst, 3" CAI, High flow filter, Exedy sports tuff clutch, Chiptorque tune.
Future Mods: A mortgage...

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 Post subject: Re: Engine rebuild parts list/cost/requirements/information
Posted: Fri Oct 07, 2011 9:28 pm 
Getting Side Ways
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Posts: 6449

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hans hartman wrote:
phongus wrote:
macxr8 wrote:
there is a bush you can get to repair the block if its damaged too much. however the cost of installing it, can sometimes outweigh the price of a 2nd hand block


Yeah was concerned with the cost involved if they do repair it. I'll find out when I have some time off during the week and take the block to the specialist.

Took the auxiliary shaft off the block and found the hole has been worn out. I have attached images so you can have a look for yourself. (Images haven't been resized...so a little big if you're browser doesn't resize it to fit)

First is the auxiliary shaft itself. It has pits on the journal and isn't very smooth...I say it is cactus.

Image

Secondly, the hole in the block. Front on...you can see on the right of the image the hole is tapered as it should, while the left has none what so ever...

Image

Lastly, a shot of the hole on an angle revealing the sharp edge. The hole was pretty much carved out leaving about 2mm deep lips...not healthy.

Image

So all in all, the block is stuffed at the auxiliary shaft...might be able to fix it or not...but will be a while before I can find out. In the mean time I might see if there are cheap blocks going around.

thrust and no oil pressure=wear


You couldn't blame oil pressure unless the front main bearing was stuffed like that too.

 

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 Post subject: Re: Engine rebuild parts list/cost/requirements/information
Posted: Fri Oct 07, 2011 9:36 pm 
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VIC, Australia

The front main bearing seems to be good...albeit I haven't removed it, there doesn't seem to be any play on it.

I still believe, it was due to a very tight timing chain. Since the timing chain tensioner was stuck tensioned, the chain would have been tight and pulled on the auxiliary shaft gear more towards the exhaust side, hence the worn out part of the auxiliary hole towards the exhaust side. But in saying that, there doesn't seem to be any damage to the front main gear/bearing part from what I could see...crankshaft journals are much tougher (I imagine) than the auxiliary shaft so it found the path of least resistance first and caused damage that way?

I now know why this engine died though...

 

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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: Engine rebuild parts list/cost/requirements/information
Posted: Fri Oct 07, 2011 9:39 pm 
Getting Side Ways
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Quote:
the chain would have been tight and pulled on the auxiliary shaft gear more towards the exhaust side, hence the worn out part of the auxiliary hole towards the exhaust side
.
altho i dont know alot about engines this seems like what could of caused it having so much pressure forced to one side

 

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 Post subject: Re: Engine rebuild parts list/cost/requirements/information
Posted: Fri Oct 07, 2011 9:52 pm 
Getting Side Ways
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Age: 66

Posts: 2548

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Ride: EF-XR8chaser

Location: wollongong
NSW, Australia

phongus wrote:
The front main bearing seems to be good...albeit I haven't removed it, there doesn't seem to be any play on it.

I still believe, it was due to a very tight timing chain. Since the timing chain tensioner was stuck tensioned, the chain would have been tight and pulled on the auxiliary shaft gear more towards the exhaust side, hence the worn out part of the auxiliary hole towards the exhaust side. But in saying that, there doesn't seem to be any damage to the front main gear/bearing part from what I could see...crankshaft journals are much tougher (I imagine) than the auxiliary shaft so it found the path of least resistance first and caused damage that way?

I now know why this engine died though...

yep, thats the thrust and bore bore wear loses pressure,only supplies oil lubrication and wear removal of metal particles

 

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