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My Saph CossieUpdate- 30/03/2015 PG 137 - Running again

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cs detailing

Post subject: Re: My Saph Cossie **Update- 24/05/2010 PG 37 - Game Over**

Posted: Fri May 28, 2010 9:38 am

Elite FSI Poster

Joined: Fri Jul 20, 2007 8:57 am
Posts: 3155
Location: Sussex.
Drives:

Its all good jam, I no you wernt preaching.

At 3000 rpm it was hitting 24degrees of advnce, should be nearer 8,
At 6500 rpm it was 20degrees should of been nearer 16.

Don't no terrys exact values due to never getting to datalog his. Taking the chip somewhere to get it read so I can see the values and map tables on a screen to see how bad it actuly is.

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Jam

Post subject: Re: My Saph Cossie **Update- 24/05/2010 PG 37 - Game Over**

Posted: Fri May 28, 2010 11:06 am

Pushrod Pimp

Joined: Sat May 06, 2006 8:59 pm
Posts: 2659
Location: pushrod powaahhhh
Drives:

so at cruising rpm it was running around 3 times the correct ignition advance thats plain mental..if terrys is anywhere near that bad im not suprised it shit its pants and died..for all the wrong reasons this time

next time terry..it needs to go in a sideways fest of tyre smoke..not driving it like some old tart :halo:

Jam.

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cs detailing

Post subject: Re: My Saph Cossie **Update- 24/05/2010 PG 37 - Game Over**

Posted: Fri May 28, 2010 11:39 am

Elite FSI Poster

Joined: Fri Jul 20, 2007 8:57 am
Posts: 3155
Location: Sussex.
Drives:

Yep its stupid, even running on race fuel I don't think it would of survived that sort of det.

The flame front at that rpm is pretty quick so that amount of advance is just stupid. I've no idea where they plucked that sort of figure from.

Even the extra 4 or so degrees at the higher rpm would of been detrimental due to the faster cycle/higher cylinder pressure and already higher temps

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Jam

Post subject: Re: My Saph Cossie **Update- 24/05/2010 PG 37 - Game Over**

Posted: Fri May 28, 2010 11:58 am

Pushrod Pimp

Joined: Sat May 06, 2006 8:59 pm
Posts: 2659
Location: pushrod powaahhhh
Drives:

yeah race fuel is only more stable to a point and then even that will detonate with that much advance..sheez im still trying to get my head round where they decided 24 dgerees would be best lol

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onslack

Post subject: Re: My Saph Cossie **Update- 24/05/2010 PG 37 - Game Over**

Posted: Fri May 28, 2010 1:44 pm

The Sherminator!

Joined: Sun Mar 06, 2005 6:10 pm
Posts: 22224
Location: Somewhere

after having alex explain to me about ignition advance etc i now understand it a little better than i did before :lol:

its a real shame we never got to datalog mine :cry:

anyways...

well the head is now off.... i'll do a write up in a bit with pic's etc!

but i have to say a massive thanks to a mate of ours(alex and myself) James for coming up to mine on his day off to help me remove my head, Top chap :thumbsup:

and to Alex for a) being my lover.... :drool:

on a serious note, cheers buddy, for all the phone calls and help youve given me and bee giving me recently, its all very much appreciated

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meilack

Post subject: Re: My Saph Cossie **Update- 24/05/2010 PG 37 - Game Over**

Posted: Fri May 28, 2010 2:12 pm

Southern Events Co-Ordinator

Joined: Sat Apr 08, 2006 7:54 pm
Posts: 19134
Location: Didcot, Oxfordshire
Drives:

shit a brick...24 degrees!

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onslack

Post subject: Re: My Saph Cossie **Update- 28/05/2010 PG 40 - Game Over**

Posted: Fri May 28, 2010 4:44 pm

The Sherminator!

Joined: Sun Mar 06, 2005 6:10 pm
Posts: 22224
Location: Somewhere

pic's as promised...

the strip down begun on tuesday when i got back from cardiff....

boost and water hoses removed..

i partly removed my loom in my engine bay

i then made a start removing it in the car, but had to stop as it appears my alarm or something is wired into it.. :rolleyes:

HT leads, TB and the inlet elbow remove

Turbo removed

rocker cover and cambelt removed

then the head finally came off after having a bit of a fight with it! :lol:

more pic's as and when the block comes out

on inspection of the pistons and head all seems ok, nothings melted and my head is ok

but that doesnt mean she'll be back on the road next week, my plans are still going ahead and as soon as the block is out i'll put her away in my garage for a year or so :chill:

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scamp

Post subject: Re: My Saph Cossie **Update- 28/05/2010 PG 40 - Game Over**

Posted: Fri May 28, 2010 6:34 pm

FSi Donator

Joined: Tue Jan 13, 2009 7:36 pm
Posts: 3336
Location: south london
Drives:

Glad your keeping the faith mate :thumbsup:

Looks like your walking for the next year or so then :havesome:

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onslack

Post subject: Re: My Saph Cossie **Update- 28/05/2010 PG 40 - Game Over**

Posted: Fri May 28, 2010 6:38 pm

The Sherminator!

Joined: Sun Mar 06, 2005 6:10 pm
Posts: 22224
Location: Somewhere

i'm really excited about all this :look:

if it wasnt for money i'd be buying bits rght now :lolz:

so very kind of you to remind me :lolz:

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scamp

Post subject: Re: My Saph Cossie **Update- 28/05/2010 PG 40 - Game Over**

Posted: Fri May 28, 2010 6:44 pm

FSi Donator

Joined: Tue Jan 13, 2009 7:36 pm
Posts: 3336
Location: south london
Drives:

I got a payrise today and Â£600 back pay :halo:

I know what you mean about buying buts right now aswell. I've been getting a couple of bits today so I'm almost skint again :lol:

As I said on facebook, if you need a hand with anything just let me know and I can pop up and weild a spanner :thumbsup:

I'm good at reminding people about things

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cs detailing

Post subject: Re: My Saph Cossie **Update- 28/05/2010 PG 40 - Game Over**

Posted: Fri May 28, 2010 7:08 pm

Elite FSI Poster

Joined: Fri Jul 20, 2007 8:57 am
Posts: 3155
Location: Sussex.
Drives:

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scamp

Post subject: Re: My Saph Cossie **Update- 28/05/2010 PG 40 - Game Over**

Posted: Fri May 28, 2010 8:34 pm

FSi Donator

Joined: Tue Jan 13, 2009 7:36 pm
Posts: 3336
Location: south london
Drives:

You'll never hear the end of it you dirty ruiner :lol:

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Mole259

Post subject: Re: My Saph Cossie **Update- 28/05/2010 PG 40 - Game Over**

Posted: Sat May 29, 2010 12:45 am

FSi Donator

Joined: Mon Mar 19, 2007 12:29 pm
Posts: 3227
Location: Melbourne, derbyshire
Drives:

Alex needs another thread to explain the advance ignition thingy

Good news to hear that so far bits are ok, you gonna buy a runaround terry?

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Jam

Post subject: Re: My Saph Cossie **Update- 28/05/2010 PG 40 - Game Over**

Posted: Sat May 29, 2010 1:24 am

Pushrod Pimp

Joined: Sat May 06, 2006 8:59 pm
Posts: 2659
Location: pushrod powaahhhh
Drives:

theres a whole raft of info out there on ignition timing and ignition advance and retard without alex putting a load of info up

jams idiots guide to igniton

essentially the faster your engine spins the sooner you need to be creating combustion so that your creating the correct forces to push the piston down when its needed...if we use the figures alex gave for example. (ill use the normal ones not the gimp tastic ones :lol:

) at 3000 rpm you have an advance of 8 degrees. so 8 degrees before top dead centre. youll get a spark. bang, combustion happens piston goes down. repeat infinitum. and this is fine at about 3000 rpm. however if we ramp that up to 6000 rpm your piston will be travelling at twice the velocity and thus youll need to account for that. so 16 degrees before the piston reaches top dead centre the spark will happen. bang combustion piston goes down. however if you ran 16 degrees at 3000 rpm this would be detonating. because your spark is happening way to early and the combustion is actually taking place while the piston is still accelerating up and not when its about to go down. it puts massive strains on engine parts..resulting in anything from a holed piston but that is normally tied in with poor fuel delivery/ mix to things like bent rods, knackered bearings where the forces are fighting one another it really wont do an engine any favours. there are many factors that need to be taken into account with ignition timing. and something that warrants way more attention than ill give it at half one in the morning lol

hope that clears some of that up without alex having to add too much.

good news on the pistons and head terry...least thats 2 major components not shagged

Jam.

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cs detailing

Post subject: Re: My Saph Cossie **Update- 28/05/2010 PG 40 - Game Over**

Posted: Sat May 29, 2010 7:12 pm

Elite FSI Poster

Joined: Fri Jul 20, 2007 8:57 am
Posts: 3155
Location: Sussex.
Drives:

Spot on Jam,

You can go into flame fronts etc but its way over the normal users depth lol

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onslack

Post subject: Re: My Saph Cossie **Update- 28/05/2010 PG 40 - Game Over**

Posted: Tue Jun 01, 2010 1:45 pm

The Sherminator!

Joined: Sun Mar 06, 2005 6:10 pm
Posts: 22224
Location: Somewhere

reading all this technical chat has been pretty good

anywho i have paul from need to insure on the case to help me sort out my issue of keeping the cossie insured and getting my new runabout insured :halo:

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rob_fiesta

Post subject: Re: My Saph Cossie **Update- 28/05/2010 PG 40 - Game Over**

Posted: Tue Jun 01, 2010 2:16 pm

FSi Donator

Joined: Wed Nov 04, 2009 9:12 pm
Posts: 2374
Location: wolverhampton
Drives:

wht runaround you got ?

_________________

RUST IS LIGHTER THAN CARBON FIBER

http://www.fiesta-si.com
http://www.fiestaguides.co.uk/

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onslack

Post subject: Re: My Saph Cossie **Update- 28/05/2010 PG 40 - Game Over**

Posted: Tue Jun 01, 2010 2:53 pm

The Sherminator!

Joined: Sun Mar 06, 2005 6:10 pm
Posts: 22224
Location: Somewhere

I wont be saying what runabout I've got just yet,but I will as soon as I have it sat at my house!

Just awaiting to hear back from the insurance as the Cossie will still be insured but out on a laid up policy and my runabout will have the fully effect if my 5 ncbs!

But I've gotta wait till the Cossie is tucked away before I can swap it to a laid up policy!

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scamp

Post subject: Re: My Saph Cossie **Update- 28/05/2010 PG 40 - Game Over**

Posted: Tue Jun 01, 2010 3:14 pm

FSi Donator

Joined: Tue Jan 13, 2009 7:36 pm
Posts: 3336
Location: south london
Drives:

The runabout going to make an appearance at the next southern meet?

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onslack

Post subject: Re: My Saph Cossie **Update- 28/05/2010 PG 40 - Game Over**

Posted: Tue Jun 01, 2010 3:29 pm

The Sherminator!

Joined: Sun Mar 06, 2005 6:10 pm
Posts: 22224
Location: Somewhere

it might do, depends if both alex and i can get there to collect it and if my insurance issue gets sorted out in time :hmm:

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