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Author Subject: Basic engine rebuild / freshen up ?
Moonstone6

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Registered: 11 Apr 2012

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Post #1
Hi fellas i recently won the engine off ebay for £41 Big grin which had been removed due to oil in the water i am going to rebuild it and replace the rings,bearings bolts n seals n belts....lick of paint and pop it in mine Thumbs up is this a good idea just looking for a freshen up
Where is the best place to get the parts from ?
And any ideas what causes the oil in the water im hoping its just the exchange cooler @ the oil filter
(common fault on the fords)

what are your thought Dunno
Posted 11th Dec 2012 at 20:41
dcc

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Location: Wales

Registered: 24 Feb 2009

Posts: 502

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Post #2
Peugeot... and headgasket failure.

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Posted 11th Dec 2012 at 20:47
rob_humphrey

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Registered: 16 Sep 2011

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Post #3
HG Failure usually Yes

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Posted 11th Dec 2012 at 20:47
Moonstone6

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Post #4
dcc wrote:
Peugeot... and headgasket failure.
perfect in need of a skim aswell then Thumbs up
Posted 11th Dec 2012 at 20:51
daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

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Post #5
Set aside at least £500 for doing it properly. By the time you've got gaskets, head bolts, sealants, oils, fluids, rings, a head skim, valve stem oil seals, belts, water pump etc. Plus any special tools you may need for the job.

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Posted 11th Dec 2012 at 20:53
Moonstone6

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Post #6
daveyboy wrote:
Set aside at least £500 for doing it properly. By the time you've got gaskets, head bolts, sealants, oils, fluids, rings, a head skim, valve stem oil seals, belts, water pump etc. Plus any special tools you may need for the job.
yes iv already got that covered just wondering weather crank will need grinding n polishing Dunno
Posted 11th Dec 2012 at 21:27
JWP EFi

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Post #7
at least get it polished, approx £40 for engineering firm to do it
Posted 11th Dec 2012 at 21:28
swiftyboi006

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Location: Maidenhead

Registered: 12 Apr 2010

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Post #8
Not really any such thing as a basic engine rebuild No

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Posted 11th Dec 2012 at 21:30
JWP EFi

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Post #9
depends how bad it is to start with
Posted 11th Dec 2012 at 21:31
coskev

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Post #10
Do you know the mileage it's done?

Bore condition will make a massive difference to your costs, rings and hone being the cheapest, all the way to a full re-bore and over size pistons.you won't know untill it's strippedThumbs up

Make sure you get the valve guides checked when the head is stripped,mine needed 8 exhaust valve guides due to wear.

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Posted 11th Dec 2012 at 23:05
JWP EFi

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Post #11
mileage isnt too much of an issue, within reason. its more down to the maintenance

as coskev said, you could get away with a light hone and new rings, look for wear ridge at top of bore

Posted 11th Dec 2012 at 23:08
JWP EFi

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Post #12
also the old bearing shells will give a good indication of condition, look for 'taper' wear and scores

which will indicate a neglected engine
Posted 11th Dec 2012 at 23:11
Moonstone6

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Post #13
coskev wrote:
Do you know the mileage it's done?

Bore condition will make a massive difference to your costs, rings and hone being the cheapest, all the way to a full re-bore and over size pistons.you won't know untill it's strippedThumbs up

Make sure you get the valve guides checked when the head is stripped,mine needed 8 exhaust valve guides due to wear.
yea mate this is it Ionly paid £41 for it all so if it's b, e, r...... il just sell manifold n pas pump n alternator n get my 40 nicker back Thumbs up
Posted 12th Dec 2012 at 14:24
Moonstone6

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Post #14
T99PUG wrote:
mileage isnt too much of an issue, within reason. its more down to the maintenance

as coskev said, you could get away with a light hone and new rings, look for wear ridge at top of bore

absolutely spot on mate all about the maintenance and has it been thrashed from cold every day on the same oil for the last 10 years Shock
Posted 12th Dec 2012 at 14:28
Moonstone6

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Post #15
swiftyboi006 wrote:
Not really any such thing as a basic engine rebuild No
I hope there is my mate had an old nova a few years back smoking its arse off n drinking oil..... he honed bores and replaced rings seals n bearings and it never used another drop of oil and it was nippy again
Posted 12th Dec 2012 at 14:34
gnrlee Forum Admin

Location: Leeds

Registered: 20 Aug 2005

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Post #16
Pugjim pretty much did 90% of the work on mine but would love to do it again! Big grin

bit of a twat getting the piston's back in without the piston rings wanting to pop back out,.. Sad

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Posted 12th Dec 2012 at 15:54
JWP EFi

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Post #17
piece of cake if have a piston ring compressor
Posted 12th Dec 2012 at 22:00
hovis16

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Post #18
i loved building mine with paul. its great fun but as t99pug said check the bearings and crank. better still just replace the bearings. these engines are known for the bottom end going after a head rebuild.

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Posted 13th Dec 2012 at 07:59
720puggti

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Post #19
I've done a rebuild and it was a lot of fun, in fact I'd consider it my forte when it comes to mechanics.

As a result I can promise you'll spend more than you think, but when the engine starts you'll feel immensely satisfied.

I would change rings and big end bearings and main bearings depending on condition. Also, do a proper job on the head smoothing as much of the rough casting out and getting rid of all the carbon.

I find mild acidic floor cleaner is best for cleaning all the internal components, mine came up looking like new

Look here: http://www.306gti6.com/forum/showthread.php?id=102699

My engine suffered the same failure as the one you've just bought and I believe it's still running to this day after I finished with it; I fit it to someone's rallye.

I'm sure you'll have fun bringing it back to life Smile

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Posted 13th Dec 2012 at 08:25
720puggti

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Post #20
Oh, also, soak everything in oil; except for the the outside of the shell bearing.

And I mean SOAK!

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Posted 13th Dec 2012 at 08:27
Moonstone6

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Post #21
720puggti wrote:
I've done a rebuild and it was a lot of fun, in fact I'd consider it my forte when it comes to mechanics.

As a result I can promise you'll spend more than you think, but when the engine starts you'll feel immensely satisfied.

I would change rings and big end bearings and main bearings depending on condition. Also, do a proper job on the head smoothing as much of the rough casting out and getting rid of all the carbon.

I find mild acidic floor cleaner is best for cleaning all the internal components, mine came up looking like new

Look here: http://www.306gti6.com/forum/showthread.php?id=102699

My engine suffered the same failure as the one you've just bought and I believe it's still running to this day after I finished with it; I fit it to someone's rallye.

I'm sure you'll have fun bringing it back to life Smile

Thanks mate very useful advise yes I want to De carbon and polish the inlets and outlets and i will replace the bearings throughout I can't wait Thumbs up
Posted 13th Dec 2012 at 10:37
welshpug!

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Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #22
Don't polish the inlets.

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Posted 13th Dec 2012 at 14:30
Moonstone6

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Post #23
welshpug! wrote:
Don't polish the inlets.
why dude?
Posted 13th Dec 2012 at 14:33
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #24
no need, if anything you will make flow worse, leave it to the pro's Thumbs up

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Posted 13th Dec 2012 at 15:11
stan_306gti6 Forum Admin

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Post #25
Agreed, slightly rough ports give the incoming air slight tubulence which mixes with the fuel better in the combustion chamber. Yes

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Posted 13th Dec 2012 at 15:20

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