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1. generic question on compression checks (score: 1): Author: "Brad Kahler" <brad.kahler@141.com>; Date: Wed, 16 Oct 2002 16:04:10 -0500; This isn't really Triumph related (other than its a tow vehcile!) but I'm looking for guidance on an engine problem. We had an engine rebuild in our Jeep last spring and over the course of the next; /html/fot/2002-10/msg00085.html (8,744 bytes)
2. Re: generic question on compression checks (score: 1): Author: BRITPAC@aol.com; Date: Wed, 16 Oct 2002 17:58:07 EDT; Was the Jeep engine rebored with new pistons, and if not, how much cylinder taper was there? If the engine was not removed from the vehicle, you had an overhaul, not a rebuild. Excessive taper can cr; /html/fot/2002-10/msg00086.html (8,024 bytes)
3. RE: generic question on compression checks (score: 1): Author: Bill Babcock <BillB@bnj.com>; Date: Wed, 16 Oct 2002 15:04:40 -0700; How old is this Jeep? First thing I would do is a leakdown test on all cylinders--compression testing doesn't tell you what going on unless it's gross failure. If they are all holding well, then my a; /html/fot/2002-10/msg00087.html (10,202 bytes)
4. Re: generic question on compression checks (score: 1): Author: "Brad Kahler" <brad.kahler@141.com>; Date: Wed, 16 Oct 2002 17:11:40 -0500; The engine was removed, cylinders bored and correct sized pistons installed. We put about 8,000 miles or so on the vehicle in the last year with performance gradually decreasing over that period of; /html/fot/2002-10/msg00088.html (8,742 bytes)
5. RE: generic question on compression checks (score: 1): Author: "Brad Kahler" <brad.kahler@141.com>; Date: Wed, 16 Oct 2002 17:17:14 -0500; Hi Bill, The air pump has long been removed from this engine. It originally came with a catalytic converter but some PO removed that. I forgot to mention its a 79 jeep 360 engine. I didn't ask if he; /html/fot/2002-10/msg00089.html (11,360 bytes)
6. Re: generic question on compression checks (score: 1): Author: "Tom Strange" <tstrange@new.rr.com>; Date: Wed, 16 Oct 2002 18:31:09 -0500; Hi Brad, I agree with you, I would be inclined to worry about the cam. I agree with the leakdown check for sure. Then, you could put a dial indicator on the push rods. (it seems this engine should ha; /html/fot/2002-10/msg00090.html (12,958 bytes)
7. Re: generic question on compression checks (score: 1): Author: "Brad Kahler" <brad.kahler@141.com>; Date: Thu, 17 Oct 2002 11:32:39 -0500; Hi Tom, To the best of my knowledge its still using the stock type of lifter. What I don't know is whether or not he replaced them when he put in the new cam. Thats a question I need to ask him. I'll; /html/fot/2002-10/msg00097.html (14,156 bytes)
8. RE: generic question on compression checks (score: 1): Author: Bill Babcock <BillB@bnj.com>; Date: Thu, 17 Oct 2002 11:13:07 -0700; For an older engine like this the lifters could easily be the problem. Even if the cam is fine, the lifters might not be working well. I once had a rebuilder set the valves in my wife's '62 corvette; /html/fot/2002-10/msg00099.html (14,856 bytes)
9. RE: generic question on compression checks (score: 1): Author: "Andy Konopka" <AKonopka@centralparknyc.org>; Date: Thu, 17 Oct 2002 14:30:38 -0400; Usually a set of lifters worn that bad would clatter like mad especially on a cold morning . Had an old small block Mopar with some wear in the lifters that was pretty "tappy " sounding at startup bu; /html/fot/2002-10/msg00102.html (7,922 bytes)
10. Re: generic question on compression checks (score: 1): Author: "John Kipping" <johnkipping@inet.net.nz>; Date: Fri, 18 Oct 2002 08:16:08 +1300; A blowdown test will reveal a lot more, but I would almost guarantee there are ring problems. I had some oil burning engines that I couldn't understand and eventually called the piston manufacturers; /html/fot/2002-10/msg00106.html (9,925 bytes)
11. Re: generic question on compression checks (score: 1): Author: "Kas Kastner" <kaskas@earthlink.net>; Date: Thu, 17 Oct 2002 16:40:11 -0700; Sure sounds like broken compression rings or a scuffed piston or two. Pressure in the pan puts the oil in motion and the vapor comes from the connection to the air cleaner from the valve cover.. ( no; /html/fot/2002-10/msg00109.html (8,608 bytes)

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