Series 3 Engine rebuild

**normbourne** · 13th July 2013, 07:26 AM

Originally Posted by Ozdunc

Seems like the gaskets are like this

Photo of banjos engine rebuild

I'm not too clued up on the dynamics of combustion, but wouldn't carbon only form if the air/fuel ratio was too rich rather than due to the shape of the combustion chamber?

The gasket that came off, was copper and yes there was a gap, but with the new gasket, which is made of some composite material, the gap is more extensive, indeed, there are places where the gap approaches 10-12mm.

I take your point regarding mixture carbon/combustion chamber, but surely it would be good policy to reduce this gap as much as possible, particularly between cylinders, which is always a particularly vulnerable area..?

**normbourne** · 19th October 2013, 02:24 PM

Hey lads,

I am trying to source a set of head bolts to suit a series 3, 4 cylinder petrol engine.
I've managed to get the majority of them but the ones I am looking for are the, four short ones, located near the spark plugs.
I thought that maybe high tensile bolts from a local supplier would suffice,
But apparently, high tensile bolts have different grades.

So the question is, where can I locate the original manufacturers bolts, or failing that, what grade high tensile bolts do I need.
Thanks,
Norm.

**isuzurover** · 19th October 2013, 02:38 PM

Originally Posted by normbourne

Hey lads,

I am trying to source a set of head bolts to suit a series 3, 4 cylinder petrol engine.
I've managed to get the majority of them but the ones I am looking for are the, four short ones, located near the spark plugs.
I thought that maybe high tensile bolts from a local supplier would suffice,
But apparently, high tensile bolts have different grades.

So the question is, where can I locate the original manufacturers bolts, or failing that, what grade high tensile bolts do I need.
Thanks,
Norm.

What is wrong with your old bolts? They should be reusable...

As for the head gasket, what brand is it?

**normbourne** · 19th October 2013, 05:53 PM

Originally Posted by isuzurover

What is wrong with your old bolts? They should be reusable...

As for the head gasket, what brand is it?

Actually the block is a remanufactured short engine so there is no problems concerning threads in the block. The original bolts have 65 V 75 stamped on the heads.....?? and they are indeed stretched in that they are extremely loose in the threads. Incidentally, the cylinder is also a remanufactured unit, supplied by turners in the UK. so obviously I'm pretty keen to get things right..!

As regards the head gasket it is a Payen composite

**isuzurover** · 20th October 2013, 01:41 AM

Originally Posted by normbourne

Actually the block is a remanufactured short engine so there is no problems concerning threads in the block. The original bolts have 65 V 75 stamped on the heads.....?? and they are indeed stretched in that they are extremely loose in the threads. Incidentally, the cylinder is also a remanufactured unit, supplied by turners in the UK. so obviously I'm pretty keen to get things right..!

As regards the head gasket it is a Payen composite

The bolts should be fine to reuse. When bolts stretch they stretch at the shank, not the threads,,,

I have only ever used copper head gaskets. Liberally coated with VHT copper gasket cement - and never had a problem.

**normbourne** · 20th October 2013, 07:31 AM

Originally Posted by isuzurover

The bolts should be fine to reuse. When bolts stretch they stretch at the shank, not the threads,,,

I have only ever used copper head gaskets. Liberally coated with VHT copper gasket cement - and never had a problem.

The old bolts are extremely loose in their threads whereas the new bolts I did manage to obtain, fit fine in the new block, so obviously, I don't think there is a problem there in terms of the block being tapped metric.

As I say, I am only missing the four short bolts for the complete set..!

stevep · 22nd October 2013, 10:16 AM

Hi,
I think it's land rover part 273356 which has been superseded by 279648. 1/2" x 2.5/16 long UNF.

google land rover 279648 gets plenty of hits in the UK. Or ring Four wheel drives in melb or Rover parts plus in Ballarat.

HTH's
Steve

**normbourne** · 9th November 2013, 11:30 AM

Hi lads,

In the process of my rebuild, I've struck trouble with a new clutch kit.

I went to fit it only to discover that the cover plate supplied, only has provision for two locating dowels, diametrically opposite, whereas my flywheel has THREE locating dowels, equidistant around the perimeter.

I've attempted to drill the two holes in the cover to line up, but of course the accuracy is questionable..!

On checking my order, it would appear that the part that arrived was to suit, series 1 & series 2.

Is there a difference between the series 2 & the series 2a..? I always thought they were the same.

Any ideas guys..?

Norm.

**mick88** · 9th November 2013, 05:04 PM

What year is your 2A?
I think late 2A and 3 are the same.
So maybe that is your problem.

Cheers, Mick.

**JDNSW** · 9th November 2013, 05:38 PM

Originally Posted by normbourne

Hi lads,

In the process of my rebuild, I've struck trouble with a new clutch kit.

I went to fit it only to discover that the cover plate supplied, only has provision for two locating dowels, diametrically opposite, whereas my flywheel has THREE locating dowels, equidistant around the perimeter.

I've attempted to drill the two holes in the cover to line up, but of course the accuracy is questionable..!

On checking my order, it would appear that the part that arrived was to suit, series 1 & series 2.

Is there a difference between the series 2 & the series 2a..? I always thought they were the same.

Any ideas guys..?

Norm.

The standard cover plate(GCC127) fits a 9" plate and uses coil springs and has two dowels. The clutch cover assembly for a 9.5" plate (GCC112) was optional equipment, and has three dowels. This assembly has a diaphragm spring, with a large number of fingers instead of three, and with a steel ring over them held by three tangential spring arms (if it has a diaphragm spring and does not have this ring it is a Series 3 cover (576557), and is no good to you!).

The six had the same clutch as the 9.5" optional one. The 9.5 optional clutch was the same for petrol and diesel fours as well as being standard for the six.

Your flywheel probably is drilled for the three dowels as well as for the two dowels, so you could convert to a 9.5" clutch. (dowels are 502116)

Hope this helps.

John

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