Mazda Rotary Club

General => Rotary and General Chit-Chat => Topic started by: Mir on October 31, 2011, 10:19:37 AM

Title: What do you make of this compression??
Post by: Mir on October 31, 2011, 10:19:37 AM
Guys, I was helping a friend with his fd yesterday. Whilst we were working on his car, God knows what happened to us :D :D :D and we decided to compression test both of our FD\'s.
 
Check the link and tell me what you guys think of a compression-Good, Bad or the UGLY lollll;)
 
http://www.youtube.com/watch?v=Sw-og-hbjCc
 
I think this is my Fd\'s compression test but I am not sure as he sent me this video but never mentioned whose FD was it. So, if its good then its my Fd, but if its not, then its his Fd\'s compression test.:rollin
 
Mir
Title: What do you make of this compression??
Post by: TRIND-FD on October 31, 2011, 10:52:46 AM
Are you going to the Guildford meet buddy.,
See you there if you are :)

Keith
Title: What do you make of this compression??
Post by: Mir on October 31, 2011, 10:56:35 AM
Quote from: TRIND-FD;796796Are you going to the Guildford meet buddy.,
See you there if you are :)
 
Keith

Yes Mate I am going, so see you there;)
 
Make sure you bring that thing ;);) with you. I will bring my mate along as well.
 
Cheers
Mir
Title: What do you make of this compression??
Post by: TRIND-FD on October 31, 2011, 10:58:27 AM
Quote from: Mir;796798Yes Mate I am going, so see you there;)
 
Make sure you bring that thing ;);) with you. I will bring my mate along as well.
 
Cheers
Mir

Will do mate. See you there.

Keith:)
Title: What do you make of this compression??
Post by: antnicuk on October 31, 2011, 09:45:28 PM
have i missed something? where are the numbers? you cant comp test by listening to it!
Title: What do you make of this compression??
Post by: Mir on October 31, 2011, 11:49:45 PM
Quote from: antnicuk;796891have i missed something? where are the numbers? you cant comp test by listening to it!

Well at least you can listen to the continuity of the "Pus Pus" :Giggle:Giggle. I heard a specialist can assess the car\'s compression by simply "listening" to it and please dont tell me that its not true because one specialist told me that-BTW it was not Pip :Giggle:Giggle:Giggle:Giggle. So in your opinion, how does that compression sound?

Mir
Title: What do you make of this compression??
Post by: antnicuk on November 01, 2011, 11:02:16 AM
you can tell if it has compression on all chambers but that is very different to saying what the compression is like.  Its very dependent on lots of things like engine temp, battery and starter power, engine speed and if the engine has been stood for any time.
Title: What do you make of this compression??
Post by: HaywardRotary on November 01, 2011, 12:36:24 PM
That sounds like one chamber only of a 13b to me. Can\'t say how good the compression is though.
What plugs were taken out?
Title: What do you make of this compression??
Post by: Prof on November 01, 2011, 12:41:15 PM
You can only tell if the pulses are even or not - certainly won\'t get a poor / passable / good / excellent compression out of just listening.
 
A proper tester is needed, and you\'ll want details of the conditions used for the test:
 
Title: What do you make of this compression??
Post by: Mir on November 01, 2011, 12:41:51 PM
Carl 7420 were taken out and the car was driven hard before we did that test. Yes it was only one chamber i.e. compression test of one housing..
 
To me the compression "pus pus" was even but you guys would know better. :)
 
Mir
Title: What do you make of this compression??
Post by: Mir on November 01, 2011, 12:45:01 PM
Quote from: Prof;796935You can only tell if the pulses are even or not - certainly won\'t get a poor / passable / good / excellent compression out of just listening.
 
A proper tester is needed, and you\'ll want details of the conditions used for the test:

  • Battery Condition ?
  • Cranking speed ?
  • Throttle open ?
  • Only bottom plugs removed and tester in one of them ?
  • Engine warmed up before hand ?
  • Lubrication good ?
  • Cranked for long enough to stabilize cranking RPM ?
  • and finally - but somewhat less of an issue here in the UK - altitude where the test was performed ?

Great info Prof. :god
 
Much appreciate that..
 
Cheers
Mir
Title: What do you make of this compression??
Post by: HaywardRotary on November 01, 2011, 12:45:33 PM
It sound\'s even.Thats all i can tell.
Title: What do you make of this compression??
Post by: Mir on November 01, 2011, 12:47:17 PM
Quote from: HaywardRotary;796940It sound\'s even.Thats all i can tell.

Thanks Carl
 
Thats all I needed!!!:Ladys-man
 
Cheers
Mir
Title: What do you make of this compression??
Post by: HaywardRotary on November 01, 2011, 12:48:21 PM
Quote from: Mir;796941Thanks Carl
 
Thats all I needed!!!:Ladys-man
 
Cheers
Mir

Have you spoken to Pip yet?
Title: What do you make of this compression??
Post by: Mir on November 01, 2011, 12:51:04 PM
No not yet Carl. I have been busy lately due to work and stuff. But I will talk to him soon. May delay the project a bit as having domestic issues at the moment.
 
Cheers
Mir