- 1. Re: compression (score: 1)
- Author: "Paul T. Root" <ptroot@iaces.com>
- Date: Tue, 01 Nov 2005 07:30:24 -0600
- Sticking valve? -- ______ Paul T. Root / _ \ 1977 MGB / /|| \\ \ ||__// \______/
- /html/mgs/2005-11/msg00000.html (6,638 bytes)
- 2. Re: compression (score: 1)
- Author: Charles & Peggy Robinson <ccrobins@ktc.com>
- Date: Tue, 01 Nov 2005 09:19:31 -0600
- Could be. Might be knocking 'cuz the rod bearing is taking a beating or there's some interference in the valve train. CR
- /html/mgs/2005-11/msg00003.html (6,949 bytes)
- 3. Re: compression (score: 1)
- Author: bill <bilking@comcast.net>
- Date: Tue, 01 Nov 2005 11:00:33 -0500
- Maybe it has 15:1 compression and the 160 psi cylinder is bad? ;-) Couldn't resist. Bill
- /html/mgs/2005-11/msg00004.html (6,879 bytes)
- 4. Compression (score: 1)
- Author: E-Mail <therays@ellijay.com>
- Date: Mon, 12 Jul 1999 13:51:26 -0400
- Can anyone tell me what the normal cylinder pressure for an 80 MGB engine Thanks, Jim Ray
- /html/mgs/1999-07/msg00671.html (6,233 bytes)
- 5. Re: Compression (score: 1)
- Author: "chief bootknocker" <mowog77@theglobe.com>
- Date: Mon, 12 Jul 1999 13:19:54 -0700
- There is nothing ever normal, but the ideal compression is 130 for a n80 since it is low compression. High compression engines were 180 i think. My 77 has 150 across the board - because of carbon bui
- /html/mgs/1999-07/msg00678.html (6,797 bytes)
- 6. Compression (score: 1)
- Author: stevejp2@juno.com
- Date: Thu, 22 Apr 1999 15:19:59 -0500
- Hi List, I am going to check out a 79 MGB that I am interested in buying tomorrow and I can not find the values I should get in a compression test anywhere. Off to get a Haynes manual later. Does any
- /html/mgs/1999-04/msg01367.html (7,119 bytes)
- 7. Re: Compression (score: 1)
- Author: Skye Poier <skye@ffwd.com>
- Date: Thu, 22 Apr 1999 18:44:14 -0700
- http://www.mgb.bc.ca/reference/specs.html Compression: 18G engines, 8.8:1, 160psi @ 275rpm 18V engines, 9.0:1, 170 - 195psi @ 275rpm Assuming the compression ratio is stock. Pull all the plugs before
- /html/mgs/1999-04/msg01386.html (7,770 bytes)
- 8. Re: Compression (score: 1)
- Author: "teds" <teds@accessone.com>
- Date: Thu, 22 Apr 1999 19:40:37 -0700
- I am under the impression that all later model mgb's in the US are 'federal' or 'california' and are low compression engines. I may be mistaken but 9 to 1 sounds pretty high for a US late model. (che
- /html/mgs/1999-04/msg01388.html (8,588 bytes)
- 9. Re: Compression (score: 1)
- Author: Skye Poier <skye@ffwd.com>
- Date: Thu, 22 Apr 1999 22:01:42 -0700
- Whoops, those numbers may be a little high. A low compression B series engine should give around 135-140psi, while a high compression engine should give 155-160. Also, the important thing to note whe
- /html/mgs/1999-04/msg01398.html (7,418 bytes)
- 10. Re: Compression (score: 1)
- Author: Max Heim <mvheim@studiolimage.com>
- Date: Thu, 22 Apr 1999 22:05:48 -0700
- That's right, Clausager says that North American 18V engines were standardized at 8:1 (home market high compression was 9:1). (BTW I'm sorry if I am becoming a bore with this "Clausager says" stuff b
- /html/mgs/1999-04/msg01400.html (8,900 bytes)
- 11. Re: Compression (score: 1)
- Author: "Paul Hunt" <paul.hunt1@virgin.net>
- Date: Fri, 23 Apr 1999 19:45:29 +0100
- I've been shouted down on this before but my compression tester instructions clearly state that the plugs should be removed and replaced with the gauge one at a time i.e. the test is done with compre
- /html/mgs/1999-04/msg01443.html (8,778 bytes)
- 12. RE: Compression (score: 1)
- Author: Joe Short <buster_balz@operamail.com>
- Date: Fri, 23 Apr 1999 15:59:32 -0400
- The mechanic that i learned from and worked for always said 3 thing about compression tests. 1. Engine warmed to running temp. 2. All spark plugs out. 3. Throttle open wide.
- /html/mgs/1999-04/msg01446.html (9,380 bytes)
- 13. Re: Compression (score: 1)
- Author: JustBrits@aol.com
- Date: Fri, 23 Apr 1999 20:13:02 EDT
- Paul, etal: << I've been shouted down on this before but my compression tester instructions clearly state that the plugs should be removed and replaced with the gauge one at a time i.e. the test is d
- /html/mgs/1999-04/msg01469.html (7,522 bytes)
- 14. Re: Compression (score: 1)
- Author: "Harlan Jillson" <hjillson@argolink.net>
- Date: Fri, 23 Apr 1999 20:58:50 -0500
- Ed et al, I've got to agree on this one. I went out and bought a new compression gauge because I didn't believe the readings I was getting off of my old one on an engine I bought last summer. Sure en
- /html/mgs/1999-04/msg01483.html (8,684 bytes)
- 15. Compression (score: 1)
- Author: Gary Davis <GDAVIS@ibr6gw80.gp.usbr.gov>
- Date: Tue, 24 Feb 1998 07:52:07 -0700
- I read in the Bentley manual last night that some MGB's have high compression engines and some have low compression engines. How would an idiot know whether he has a high or low compression engine? T
- /html/mgs/1998-02/msg01368.html (6,331 bytes)
- 16. Compression (score: 1)
- Author: Darren_Jameson@illinova.com
- Date: Tue, 24 Feb 1998 09:46:57 -0600
- The easiest way is to check your engine ID. For example, my '66 has the ID 18GBUH71587. The "H" in this string stands for high compression. I am pretty sure that low compression engines have the des
- /html/mgs/1998-02/msg01372.html (6,433 bytes)
- 17. compression (score: 1)
- Author: Doug Waggoner <caseclosed@pldi.net>
- Date: Sat, 17 May 1997 19:35:29 -0400
- Hello! I am new to the list and have a question. Could anyone tell me what the compression should be for a 1098cg engine? I have a '63 Midget and am trying to rule out blow by as the cause for oil co
- /html/mgs/1997-05/msg00947.html (6,432 bytes)
- 18. Compression (score: 1)
- Author: "Garraway, Carey & Co., Pty. Ltd." <fjl@qdot.qld.gov.au>
- Date: Fri, 1 Sep 1995 16:35:32 +1000 (EST)
- I haven't checked the compression but I believe I am still in good condition it doesn't ping and I haven't had to tune it other than gapping the valves (the guys at Abington Motors here in Brisbane d
- /html/mgs/1995-09/msg00000.html (7,610 bytes)
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