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Cara Joseph
Tinkerer
victoria
skyline T

Posts: 24
Reg: 04-2007

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Saturday, April 28, 2007 - 03:44 pm, by:  Cara Joseph (Carasky) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

i found this engine and was wondering is this what they normally go for? I spoke to the guy and it sounds all ok they had it running before they took it out i am told and they have comp tested it with 185 across all cylanders.
Here is the link what do you guys think.
http://firesport.ipspace.com/?section=item&action=show&id=104402
Steven Nanevski
Goo Roo
New South Wales
HKS T3G equipped TT coming soon...

Posts: 1189
Reg: 07-2005

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Saturday, April 28, 2007 - 04:03 pm, by:  Steven Nanevski (Imprestik) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

His a member of the forum Cara. Khalid used to own the red soarer on the just cars add. Seems ok if you just need a motor.
Cara Joseph
Tinkerer
victoria
skyline T

Posts: 25
Reg: 04-2007

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Saturday, April 28, 2007 - 08:47 pm, by:  Cara Joseph (Carasky) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

cool thanks for that steven.
Maurice Diggler
Goo Roo
Victoria
Twin Turbo

Posts: 1303
Reg: 06-2006

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Saturday, April 28, 2007 - 09:45 pm, by:  Maurice Diggler (Mau_rice) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

It's odd that both you and Khalid spell cylinders with an A? Never seen that before.
Aaron Mead
Goo Roo
NT
TT

Posts: 1520
Reg: 03-2006

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Sunday, April 29, 2007 - 12:32 am, by:  Aaron Mead (Aaron) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I sense ethnic profiling....hahah
David Vaughan
Goo Roo
ACT
V8 Ltd manual

Posts: 3272
Reg: 07-2005

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Sunday, April 29, 2007 - 07:22 am, by:  David Vaughan (Davidv) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Ethnic profiling or personal profiling? There are other language consistencies as well.
Aaron Mead
Goo Roo
NT
TT

Posts: 1523
Reg: 03-2006

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Sunday, April 29, 2007 - 07:47 am, by:  Aaron Mead (Aaron) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Indeed
Brian Timms
TryHard
New South Wales
TT Soarer Goodness.

Posts: 277
Reg: 12-2006

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Sunday, April 29, 2007 - 07:52 pm, by:  Brian Timms (Turbo_brian) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Neil Griffiths wrote on Saturday, April 28, 2007 - 04:20 pm:

My V8 has 220psi across the top




My old car had 104psi on 1 cylinder, and 115 PSI average on the other 3 cylinders.

Needless to say there was a reason I could get away with massively high PSI boost, and not have pinging, etc.

I also ran much thicker head gaskets, to space and reduce compression, not because the engine was shagged.

B.
Cihan Aday
Goo Roo
The blue pill or the ultimate pill, make your choice.
JZZ30

Posts: 1938
Reg: 07-2005

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Sunday, April 29, 2007 - 09:54 pm, by:  Cihan Aday (Cihan) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

In my experience, compression ratio means SFA.
Lew Radbourn
Trader
Queensland
jzs147 92 / 95 jzz31 98' / jzz30 ute92' / uzz30 93'/ 2 X uzz31 92' s

Posts: 1941
Reg: 07-2005

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Monday, April 30, 2007 - 09:19 am, by:  Lew Radbourn (Marlew) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

In my experience, compression ratio means SFA.

Cihan
Mate explain what you mean?
Chris Davey
Goo Roo
QLD
Corona

Posts: 1337
Reg: 07-2005

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Monday, April 30, 2007 - 11:12 am, by:  Chris Davey (Chris_davey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I think he is referring to the difference between static compression and dynamic compression. ?
Lew Radbourn
Trader
Queensland
jzs147 92 / 95 jzz31 98' / jzz30 ute92' / uzz30 93'/ 2 X uzz31 92' s

Posts: 1944
Reg: 07-2005

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Monday, April 30, 2007 - 11:24 am, by:  Lew Radbourn (Marlew) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

ratio you can compensate by other means
PSI with in cylinders is a little bit harder and a right royal pig to tune.
if thay are different
Cihan Aday
Goo Roo
The blue pill or the ultimate pill, make your choice.
JZZ30

Posts: 1939
Reg: 07-2005

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Monday, April 30, 2007 - 04:18 pm, by:  Cihan Aday (Cihan) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Nothing like that Chris, i just mean a shoddy engine can have good compression too. Bottom end and head clearances make no difference to compression.
Jeff Wilkins
TryHard
South Australia
JZZ30 GT-TL

Posts: 389
Reg: 07-2005

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Monday, April 30, 2007 - 06:31 pm, by:  Jeff Wilkins (Calin) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Cihan Aday wrote on Monday, April 30, 2007 - 04:18 pm:

head clearances make no difference to compression




Am I reading that wrong or are you saying that thick(multiple) head gaskets or shaving of the head has no effect on compression ratios?
Daniel Clarke
Goo Roo
NSW
TT 2.5L 6 cylinder

Posts: 1837
Reg: 03-2006

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Monday, April 30, 2007 - 06:45 pm, by:  Daniel Clarke (Dieseltrain) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I think Cihan means COmpression as in PSI of the cylinder when doing a compression test. Not the actual COmpression ratio.
Chris Davey
Goo Roo
QLD
Corona

Posts: 1344
Reg: 07-2005

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Monday, April 30, 2007 - 07:34 pm, by:  Chris Davey (Chris_davey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

that is dynamic compression :-)

So he is saying that an engine can have great compression but only really tells you that the valves are seating properly and the rings are good. Other problems may still be there with other parts but you can't really check them without pulling an engine down.

So saying an engine is in tip top condition with 185 across all cylinders could be misleading eg. if the big end bearing was gone or something like that. (I don't THINK that would lower dynamic compression)
Sam Briggs
TryHard
nsw
IDAR3U JZZ30 T78

Posts: 144
Reg: 09-2006

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Friday, May 04, 2007 - 05:44 am, by:  Sam Briggs (Briggsy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

thats my engine.. well it is now

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