Best place to get new or good second hand 4.6

[ozscott]

Leaking injector took out a pot at 265k...
TRS or somewhere else?

Cheers

[lewy]

I am in the same boat as you at the moment,However if it was to be a "good"used engine for me it would have to be a known reco with top hat liners,Basically these engines are getting to old for them to be in a "good" used condition whatever "good" means.

[Geoffd2]

British off road, Forest Glen QLD 07 5445 1094. They have a large rwecking section, they wont sell you a dud.

[ozscott]

Cheers. I think a second hand low k 4.6 and then top hats. It's getting hard to get them. I might end up just getting a Hong Kong 4.0 and stick it in complete.

Cheers

[lewy]

what is a "hong Kong"I presume imported from HK,were do you get them.

[ozscott]

Yes. Typically their d2's do around 20k-40k. Good means well looked after, not overheated and good compression on all 8 pots...

I still think that overheat is the main problem with these motors...mines been badly overheated twice and at 265k still has no liner shift so even heat does not always knock them off.

Cheers

[lewy]

is there a company that imports them.I cant find one by google

[JBM770]

Can the V8s by re-linered.
I hear comments about changing to top hat sleeves but no one talks about re-sleeving.
My motor overheated and now theres no compression.
I would prefer re-sleeve if possible than pay for another good 2nd hand one.
James

[lewy]

Yes they can be re linered,However to completly rebuild the engine can sometimes be worth more than the vehicle,particulary if the vehicle is getting on and things like the auto etc are aproaching their use buy date as well.

[101RRS]

Can the V8s by re-linered.
I hear comments about changing to top hat sleeves but no one talks about re-sleeving.


Top hat sleeves is re-linering just with a top had liner. They are just a different style of liner.

If you are going to all the effort of relinering why would you not go to top hat liners.

Most likely using standard liners will not solve the issue anyway as there are likely cracks in the block around the block/liner interface which will continue to cause issues with standard liners.

Garry

[JBM770]

Will top hat liners in my block fix it and what is an approximate cost if I strip it down and who can do this work in Newcastle or Sydney????

[PhilipA]

I would try Graeme Cooper or Bruce Davis who would know of someone as no doubt they would have done a few.

You could try all 4X4 at Kotara but some posts have indicated relatively expensive with other engine quotes.

I know Graeme had slipped liner problems with stroked 3.5s 20 years ago , which caused him to stop doing them, so Ward will have some experience.

Regards Philip A

[101RRS]

Double post

[101RRS]

My motor overheated and now theres no compression.



Will top hat liners in my block fix it and what is an approximate cost if I strip it down and who can do this work in Newcastle or Sydney????

If you have no compression, you need to find out what the issue is first - a slipped liner will not normally be the direct cause of low compression. For sure seized rings/pistons in a liner can be the worst case scenario but could be as simple as a blown headgasket.

You need to get the heads off and see whats what.

As far as engine building goes - any competent engine builder could do what you need.

Garry

[ozscott]

Yes they can be re linered,However to completly rebuild the engine can sometimes be worth more than the vehicle,particulary if the vehicle is getting on and things like the auto etc are aproaching their use buy date as well.


If that were the deciding factor no one would keep and maintain d2 or similar aged 4wd's in other brands. I have happily spent WAY more in the last 2 years on my truck than its market value. I am about to spend a heap more...but would rather plough it in to my favourite off roader than spend more on a newer model.

Cheers

[ozscott]

As said above top hatted or stepped liners are different to stock - effectively they are trapped and cannot move. They also fully seal even if there is a fissure in the casting. The liner material and good rings mean that, subject to a leaking injector like in my case, the bores just don't wear out till very high kilometres.

Cheers

[JBM770]

Im hoping its just head gaskets. The engine turns over so no seized pistons.

[101RRS]

Im hoping its just head gaskets. The engine turns over so no seized pistons.

Not really not wanting to be a doom and gloomer but they may well have seized if over heated and the force of the engine turning unlocked them - broken rings etc.

As said the heads need to come off.

Good luck with it.

Garry

[Roverlord off road spares]

like Gary said above ,,, an autopsy is the only way to find out (well may be not those precise words, but the heads need to come off)

[Pedro_The_Swift]

As said above top hatted or stepped liners are different to stock - effectively they are trapped and cannot move. They also fully seal even if there is a fissure in the casting. The liner material and good rings mean that, subject to a leaking injector like in my case, the bores just don't wear out till very high kilometres.

Cheers

Turners do the best tophats,
either buy the tophats and fit,,
or preferably get a genuine 4.6 from them with the liners already fitted,, just add your heads.
PM me for details;)

[lewy]

If that were the deciding factor no one would keep and maintain d2 or similar aged 4wd's in other brands. I have happily spent WAY more in the last 2 years on my truck than its market value. I am about to spend a heap more...but would rather plough it in to my favourite off roader than spend more on a newer model.
probably just me looking for an excuse to buy something else,must remember to slap myself:D

[JBM770]

Turners do the best tophats,
either buy the tophats and fit,,
or preferably get a genuine 4.6 from them with the liners already fitted,, just add your heads.
PM me for details;)

Doesnt the top of the block need to be machined to fit the top hats?
This is getting beyond my knowledge, cast iron blocks are more my experience.
James

[lewy]

Yes,just imagine a counter sink hole.the top of the sleeve sits in the counter sink

[Pedro_The_Swift]

as Lewy said,, you will need to machine the block.
they've been putting new liners in diesels for 100 years,, its not rocket science:D