Silver C70 T5 - Manual - 400BHP

**M-R-P** · Tuesday 18th June 2013, 18:53

Bummer

That's how I got a leather sofa.

**stribo** · Tuesday 18th June 2013, 19:36

Originally Posted by M-R-P

Bummer

That's how I got a leather sofa.

And a ball and chain.

**T5frankie** · Tuesday 18th June 2013, 19:41

Originally Posted by stribo

And a ball and chain.

and the enormous thumb print on his forehead

**Jamest5r** · Wednesday 10th July 2013, 18:14

Any updates mate? hoping it's good ish

**Wobbly Dave** · Wednesday 10th July 2013, 21:03

I am a slow mechanic because when I rush things, stuff breaks. I've stripped off the inlet manifold taken most of the pipework off, drained the fluids.

Plugs are giving nothing away - they all looked fine (only 3 days old). I rotated the engine on the crank pulley by hand - couldn't really tell much. All I heard was a slight slurping noise which I can only assume is a lifter?
Inlet valves all move up & down as expected.

I got the turbo off last night & booked it for inspection at Turbo Dynamics - I am pleased that there is no apparent damage but I remain unhappy with the thrust & cyclical play in the main shaft. Perhaps nothing - maybe o
overreacting but with a turbo costing that much seems only sensible. Didn't enjoy the drenching when I took the water return off.

Gonna whip the exhaust manifold off later.

Oh yeah - dropped my long forged hex 14mm socket I need to take the head bolts off - it vanished & I have searched aimlessly for it. Annoying is not the word. It fell down by the auxiliary belt - there's nothing below but can I find the blighter??! Can I vpcuk.

**graemewelch** · Wednesday 10th July 2013, 21:07

what lifter have you fitted. are they solid or hydralic

**Wobbly Dave** · Wednesday 10th July 2013, 21:12

TBH I am not certain - they were what ever was in the donor s60 engine - head was completely overhauled.

Think I may yet put the fuel pump fuse & turn it over on the starter to see if I can work it out before stripping it out further.

**graemewelch** · Wednesday 10th July 2013, 21:33

Originally Posted by Wobbly Dave

TBH I am not certain - they were what ever was in the donor s60 engine - head was completely overhauled.

Think I may yet put the fuel pump fuse & turn it over on the starter to see if I can work it out before stripping it out further.

thats what id do if was you. i read somewear that certain lifter were prone to failure. not sure which one though. any sign of scoring on your cam shafts. hope its nothing major

**Wobbly Dave** · Wednesday 10th July 2013, 23:50

Bearing in mind there's no oil in the engine other than what's normally left behind after a drain down - this is what I hear...

It's quite noisy so I will run a compression test tomorrow & then at least I can discount the dropped valve theory for good.

**Wobbly Dave** · Thursday 11th July 2013, 14:01

Hmm still not 100% sure.

2 compression tests per cylinder (values in bar). Cylinder 1 to me has always been the one closest to the cambelt

Name: compression test.JPG
Views: 0
Size: 17.3 KB

Name: compression test.JPG
Views: 0
Size: 17.3 KB

Cylinder 1 is a little down relative to 3, 4 & 5
Most unhappy with 2

I don't think I have a dropped valve because if I did - I'd have no compression at right?

**graemewelch** · Thursday 11th July 2013, 20:05

just listened to the video. dosnt sound healthy at all. dont no what to make of the compression test. have you had the rocker cover off to see what the cams are like. anything loose or broke around that area.

**Jamest5r** · Thursday 11th July 2013, 20:14

Originally Posted by Wobbly Dave

Hmm still not 100% sure.

2 compression tests per cylinder (values in bar). Cylinder 1 to me has always been the one closest to the cambelt

Name: compression test.JPG
Views: 0
Size: 17.3 KB

Cylinder 1 is a little down relative to 3, 4 & 5
Most unhappy with 2

I don't think I have a dropped valve because if I did - I'd have no compression at right?

To be honest mate im going with Smithy's theory of a small piece chipped off a valve, ask Pete he had exactly the same happen might have some figures or thoughts for you.

**t5 pete** · Thursday 11th July 2013, 20:15

With the plugs removed have you had a look at the top of the pistons it sounds like some things hitting have a look with a torch to see for marks etc

**Harvey** · Thursday 11th July 2013, 20:19

Have you tried all the cylinders at TDC or just on there way back down,to see if there is any play in the rod bearings by pushing the piston down one at a time,as this would lower the compression as well.

**t5 pete** · Thursday 11th July 2013, 20:20

Originally Posted by Jamest5r

To be honest mate im going with Smithy's theory of a small piece chipped off a valve, ask Pete he had exactly the same happen might have some figures or thoughts for you.

Sorry dude but gunner have to shoot you down lol deff not a burnt or broken valve as it would only be running on 4 clyinders and the clyinder with burt or broken valve would not have any compresion by the sounds of it the noise it set in time so must be with rotation my geuss either piston related or depending on where the knocking is coming from it could be crank sliped bearing etc after inspecting the piston through plug hole if nothing is found use a long screw driver with solid handle to see if the knocking is coming from lower down.

**Jamest5r** · Thursday 11th July 2013, 20:23

Originally Posted by t5 pete

Sorry dude but gunner have to shoot you down lol deff not a burnt or broken valve as it would only be running on 4 clyinders and the clyinder with burt or broken valve would not have any compresion by the sounds of it the noise it set in time so must be with rotation my geuss either piston related or depending on where the knocking is coming from it could be crank sliped bearing etc after inspecting the piston through plug hole if nothing is found use a long screw driver with solid handle to see if the knocking is coming from lower down.

That's exactly why i said ask you lol

i have no idea it's beyond my knowledge of engine's just knew you had something similar to Smithy's theory happen.

**Harvey** · Thursday 11th July 2013, 20:34

Originally Posted by Wobbly Dave

Hmm still not 100% sure.

2 compression tests per cylinder (values in bar). Cylinder 1 to me has always been the one closest to the cambelt

Name: compression test.JPG
Views: 0
Size: 17.3 KB

Cylinder 1 is a little down relative to 3, 4 & 5
Most unhappy with 2

I don't think I have a dropped valve because if I did - I'd have no compression at right?

I did get this a week or to ago,I can post it to you if you think it would be any help. It does have a mirror that can be fitted in the end to look back on its self.

http://www.vpcuk.org/forums/showthre...ot-this-bargin

**jardon** · Thursday 11th July 2013, 23:22

Originally Posted by Harvey

I did get this a week or to ago,I can post it to you if you think it would be any help. It does have a mirror that can be fitted in the end to look back on its self.

http://www.vpcuk.org/forums/showthre...ot-this-bargin

I've seen Tim use one of those when visibility is poor - very useful. No idea on the engine unfortunately.

**smithy** · Friday 12th July 2013, 00:11

The only way to find out what is wrong with the engine is take the head off .then you can see if it is a valve issue or a spun bearing etc .we will find out the weekend when the engine is dismantled and is investigated more clearly .just hoping its nothing serous than the ideas that peeps have come up with .

**Wobbly Dave** · Friday 12th July 2013, 01:08

Thanks for your feedback all & thanks for the offer of tools to look inside.

I've ordered the locking tools from the bay of e & will hope to have a proper diagnosis soon.