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11-08-2007, 16:37
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#1 | | MIGWeb User
Join Date: Nov 2005 Location: Kent Drives: Astra Coupe Turbo
Posts: 6,708
| The damage to my Coupe...
Jamied has kindly offered to rebuild the engine in the Coupe Turbo I recently bought. He took delivery of the car thursday evening and stripped the engine today...he took some pics...
The block...No1 cylinder is the one in question... 
The piston head in question... 
A close up of the damage... 
Cylinder No4, note the metal on the piston head... 
The culprit...remnants of the previous turbo...  
Jamies manly left hand.... 
Let me know your thoughts  | 
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11-08-2007, 16:41
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#2 | | MIGClub Member
Join Date: Dec 2005 Location: Staffordshire Drives: Cavalier 1.7 TD
Posts: 13,357
| 
****ing hell, that's some crazy damage.  Is the block scrap, or do you not know yet? | |
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11-08-2007, 16:42
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#3 | | MIGWeb User
Join Date: Nov 2005 Location: Kent Drives: Astra Coupe Turbo
Posts: 6,708
| According to Jamie (and he has to check what the scoring on the cylinder linings is like first) it's salvageable, hopefully it won't be too bad and I'll get lucky. | |
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11-08-2007, 16:50
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#4 | | MIGClub Member
Join Date: Dec 2005 Location: Staffordshire Drives: Cavalier 1.7 TD
Posts: 13,357
| Nice one. It's difficult to tell what the condition of the bores and the top faces of the pistons is like when they're covered in shrapnel. | |
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11-08-2007, 16:53
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#5 | | MIGWeb User
Join Date: Oct 2005 Location: london Drives: steve!'s bwm :D
Posts: 8,919
| god damn i hope its not as bad as it looks andy...hope it goes well
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11-08-2007, 17:06
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#6 | | MIGWeb User
Join Date: Nov 2005 Location: Kent Drives: Astra Coupe Turbo
Posts: 6,708
| Quote:
Originally Posted by Jack  Nice one. It's difficult to tell what the condition of the bores and the top faces of the pistons is like when they're covered in shrapnel. | Yer, Jamie is going to be removing the pistons anyway...for obvious reasons 
I'm sure it'll benefit from a slight re-bore and over-sized piston rings. Nothing major, just enough to remove any scoring that may have occurred. | |
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11-08-2007, 17:33
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#7 | | MIGClub Member
Join Date: Dec 2005 Location: Staffordshire Drives: Cavalier 1.7 TD
Posts: 13,357
| Yeah, a sly hone and some new rings and it'll be good as new.
I've heard some rumours that Jamie is the man to see for an engine rebuild.  | |
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11-08-2007, 17:37
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#8 | | MIGClub Member
Join Date: Jan 2007 Location: Felixstowe, suffolk! Drives: 359.9bhp astra :D
Posts: 2,488
| bloody hell, a bit of a serious mess there! | |
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11-08-2007, 17:40
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#9 | | Admin
Join Date: Jun 2000 Location: Hampshire, UK Drives: Vectra Derv Wagon
Posts: 27,390
| Thats one serious mess
On a lighter note I love the way Jamie put tissue in the turbo inlet to stop anything falling down it!! 
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11-08-2007, 17:40
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#10 | | MIGWeb User
Join Date: Nov 2005 Location: Kent Drives: Astra Coupe Turbo
Posts: 6,708
| Quote:
Originally Posted by Jack Yeah, a sly hone and some new rings and it'll be good as new.
I've heard some rumours that Jamie is the man to see for an engine rebuild. | Well it was a toss up between him doing the re-build or Vauxhall wanting £4100 for a new engine. He won. | |
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11-08-2007, 17:41
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#11 | | MIGWeb User
Join Date: Nov 2005 Location: Kent Drives: Astra Coupe Turbo
Posts: 6,708
| Quote:
Originally Posted by Tom Williams Thats one serious mess
On a lighter note I love the way Jamie put tissue in the turbo inlet to stop anything falling down it!! | The vauxhall technician did that when he removed the head  | |
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11-08-2007, 17:47
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#12 | | Admin
Join Date: Jun 2000 Location: Hampshire, UK Drives: Vectra Derv Wagon
Posts: 27,390
| oh right | |
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11-08-2007, 18:40
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#13 | | MIGClub Member
Join Date: Dec 2005 Location: Staffordshire Drives: Cavalier 1.7 TD
Posts: 13,357
| Quote:
Originally Posted by Tom Williams On a lighter note I love the way Jamie put tissue in the turbo inlet to stop anything falling down it!! | We do that, only we use rubber gloves. 
I used to use bundled up rag until I sucked one into the inlet on my land rover by accident.  The engine had been sat for two years, so we thought it might just need a good thrash, so we put a bit of wood on the loud peddle and went inside for a drink.
When we came outside it was like smog in central london, you couldn't see your hand in front of your face. | |
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11-08-2007, 18:44
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#14 | | MIGWeb User
Join Date: Nov 2005 Location: Kent Drives: Astra Coupe Turbo
Posts: 6,708
| The blue tissue was put there because vauxhall didn't remove the turbo. Jamied removed the turbo today...I assume he's not that worried about replacing it, seeing as the turbo is sat on his work bench  | |
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11-08-2007, 19:17
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#15 | | MIGWeb Moderator
Join Date: May 2003 Location: northampton Drives: GTE 3lt V6 TwinTurbo
Posts: 5,753
| Blue tissue came in handy when i spilt my diet coke over my work scruffs...i normaly put condoms or ballons over the ends of the turbos...cheap and effective. the engine has tonnes of metal fragments in the inlet manifold from the last turbo explosion which were never cleaned out, thus finding there way into the head...nasty, the turbo spindle is also from the last turbo and was left in the exhuast housing...last fitter must have had a horse and yelled yyyyeeeeeeehhhhaarrrrr now and again or steve wonder has started engine rebuilds. I now have the turbo at the home workshop and sshall strip it down to look for damage..first check looks ok. The block comes out tomorrow morning and a full strip down and clean will be done, Then see how bad the bores look and see if its worth to machine them or re-sleve. The head needs new valves and guides and one of the crowns needs a bit of TLC.
Shall update andy tomorrow so he can post up here. | |
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11-08-2007, 19:33
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#16 | | MIGWeb User
Join Date: Nov 2005 Location: Kent Drives: Astra Coupe Turbo
Posts: 6,708
| Cheers Jamie  | |
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14-08-2007, 19:49
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#17 | | MIGWeb Moderator
Join Date: May 2003 Location: northampton Drives: GTE 3lt V6 TwinTurbo
Posts: 5,753
| Are the c20let blocks the same as the z20let? | |
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14-08-2007, 20:36
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#18 | | MIGWeb Moderator
Join Date: Nov 2001 Location: HERTFORDSHIRE Drives: 500bhp LET, soonish!
Posts: 9,292
| Oh nice! | |
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14-08-2007, 20:42
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#19 | | MIGClub Member
Join Date: Jul 2001 Location: Suffolk Drives: Vectra GSi & A4 1.8t
Posts: 12,718
| Beautiful. Its Modern Art! | |
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14-08-2007, 22:12
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#20 | | MIGWeb Moderator
Join Date: May 2003 Location: northampton Drives: GTE 3lt V6 TwinTurbo
Posts: 5,753
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14-08-2007, 22:15
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#21 | | Regional Co-ordinator
Join Date: Jul 2001 Location: Fareham,Hants Drives: A shineeeey Nova
Posts: 40,525
| Put somes gloves on damn it.
cool buy tho dude,
but damn thats one knacked turbo...
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14-08-2007, 22:20
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#22 | | MIGWeb Moderator
Join Date: May 2003 Location: northampton Drives: GTE 3lt V6 TwinTurbo
Posts: 5,753
| Quote:
Originally Posted by Benn Put somes gloves on damn it.
cool buy tho dude,
but damn thats one knacked turbo... | you will laugh but i did have glove on but had to take them off for the pictures i case we had to send them off to the seller...the gloves were purchased by my mate that works in a local children's hospital in a charity donation and have ever mickey mouse on them or moss chops printed on them..
The turbo is perfect from what i can see at the moment as the parts im holding are the remains from the last turbo which went bang and were left in the engine. | |
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15-08-2007, 07:26
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#23 | | Regional Co-ordinator
Join Date: Jul 2001 Location: Fareham,Hants Drives: A shineeeey Nova
Posts: 40,525
| lol nice,
and oh right.. thought that was that turbo being knacked..just noticed that its in the down pipe... | |
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15-08-2007, 19:56
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#24 | | MIGWeb User
Join Date: Nov 2002 Location: Sunny Ipswich Drives: like a girl
Posts: 132
| I dont know much about how these engines work, but surely its been running lean as foooook looking at the Lamda and compressor wheel??
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