Notices
ScoobyNet General General Subaru Discussion

Compression test figures?

Thread Tools
 
Search this Thread
 
Old 19 April 2004 | 05:18 PM
  #1  
suggs's Avatar
suggs
Thread Starter
Scooby Regular
 
Joined: Mar 2004
Posts: 52
Likes: 0
Default Compression test figures?

Hi
can anyone give me the correct comp test figures for a MY00 Turbo2000 uk car please, what should they read for a healthy engine.

Thanks
H
Old 19 April 2004 | 06:33 PM
  #2  
pnbond007's Avatar
pnbond007
Scooby Regular
iTrader: (1)
 
Joined: Jun 2003
Posts: 1,853
Likes: 0
From: 'Nuneaton' - Home of The Stealth Scoob
Default

150 / 160 + You can hover between 145 / 125 with a slightly older engine, but with a newer engine you should expect higher more even figures, dependant on mileage.

Cheers
PNB
Old 19 April 2004 | 07:22 PM
  #3  
suggs's Avatar
suggs
Thread Starter
Scooby Regular
 
Joined: Mar 2004
Posts: 52
Likes: 0
Default

my engines done 39000 if that makes a differance
Thanks mate
H
Old 19 April 2004 | 09:56 PM
  #4  
Bob Rawle's Avatar
Bob Rawle
Sponsor
 
Joined: Mar 1999
Posts: 3,938
Likes: 1
From: Swindon
Default

The correct figures for your car are ... and I quote ..

146-175 5 psi (1.010-1.206 bar)
Limit is 138psi (0.951 bar)
Difference between cylinders no more than 7 psi (0.49bar)

Note difference between is 7 psi across all 4 so take one as a reference for the rest.

The wide tolerance is because the compression of these engines can vary from 7.8:1 up to 8.2:1

mileage should not really come into it.

Thats measured with all plugs aout cranking at an egnine speed of 200-300 rpm, suggest 10 revs for each test is all thats needed.

Remember that you will overheat the starter motor if you crank for too long.

bob
Old 19 April 2004 | 10:10 PM
  #5  
suggs's Avatar
suggs
Thread Starter
Scooby Regular
 
Joined: Mar 2004
Posts: 52
Likes: 0
Default

thanks very much

H
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
the shreksta
General Technical
27
02 October 2015 04:20 PM
Ganz1983
Subaru
5
02 October 2015 10:22 AM
InTurbo
ScoobyNet General
21
30 September 2015 09:59 PM
IAN WR1
ScoobyNet General
8
28 September 2015 09:14 PM
shorty87
Other Marques
0
25 September 2015 09:52 PM




All times are GMT +1. The time now is 11:32 PM.