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Total 21 documents matching your query.

1. Pistons damaged again (score: 1): Author: "Freese, Ken" <Kendall.Freese@Aerojet.com>; Date: Tue, 9 Jan 2007 07:17:14 -0800; I cleaned up the compression reading columns. Saturday, I removed the head from my BJ8 to have steel valve seats installed because of #4 exhaust valve recession and low compression. I figured #4 was; /html/healeys/2007-01/msg00119.html (7,735 bytes)
2. Re: Pistons damaged again (score: 1): Author: Bob Spidell <bspidell@comcast.net>; Date: Tue, 09 Jan 2007 07:29:36 -0800; What grade of fuel do you run? bs ** Bob Spidell San Jose, CA bspidell@comcast.net '67 Austin-Healey 3000 '56 Austin-Healey 100M **; /html/healeys/2007-01/msg00120.html (8,418 bytes)
3. RE: Pistons damaged again (score: 1): Author: "Michael Salter" <msalter@precisionsportscar.com>; Date: Tue, 9 Jan 2007 10:47:45 -0500; Very disappointing Ken, If you have a chance some more information would be a help. 1. You mentioned melted pistons 70K back, did you find the cause? 2. Are the notches only around the edges of the p; /html/healeys/2007-01/msg00121.html (8,694 bytes)
4. RE: Pistons damaged again (score: 1): Author: "Freese, Ken" <Kendall.Freese@Aerojet.com>; Date: Tue, 9 Jan 2007 07:48:24 -0800; Premium Chevron, Shell, or Union 76 with lead substitute additive. - Ken, What grade of fuel do you run?; /html/healeys/2007-01/msg00122.html (6,246 bytes)
5. RE: Pistons damaged again (score: 1): Author: "Michael Salter" <msalter@precisionsportscar.com>; Date: Tue, 9 Jan 2007 11:18:44 -0500; Hi Ken, I would say, largely because of the way the pieces have broken off the top ring land, that there is little chance that that damage is attributable to anything but detonation. The other marks; /html/healeys/2007-01/msg00123.html (10,567 bytes)
6. RE: Pistons damaged again (score: 1): Author: bspidell@comcast.net (Bob Spidell); Date: Tue, 09 Jan 2007 16:46:18 +0000; "I'm not convinced that the fuels that are available today, particularly in CA I understand, are good enough to handle the amount of advance that the original distributors can produce. " 91 octane (; /html/healeys/2007-01/msg00124.html (10,545 bytes)
7. RE: Pistons damaged again (score: 1): Author: rrengineer@dslextreme.com; Date: Tue, 9 Jan 2007 10:10:46 -0800 (PST); Here in California you can walk into many 76 stations and buy 5 gallon cans of 110 leaded racing gas because of detonation. The off road motorcyclists use it. I used to mix it with pump gas for my Ju; /html/healeys/2007-01/msg00125.html (11,606 bytes)
8. RE: Pistons damaged again (score: 1): Author: bspidell@comcast.net (Bob Spidell); Date: Tue, 09 Jan 2007 20:03:30 +0000; Don't think the gas would be your problem (unless you had unusually high compression or too much advance). Can't speak for the additives, though. Check out: http://www.chevron.com/products/prodserv/f; /html/healeys/2007-01/msg00126.html (8,780 bytes)
9. Re: Pistons damaged again (score: 1): Author: Dave & M <rusd@velocitus.net>; Date: Tue, 09 Jan 2007 13:23:41 -0700; Hi Folks, I tell this to everyone who will listen, but few apparently do. On high compression engines, it is important to set ignition timing at an rpm where maximum static plus centrifugal advance (; /html/healeys/2007-01/msg00127.html (11,031 bytes)
10. RE: Pistons damaged again (score: 1): Author: "Freese, Ken" <Kendall.Freese@Aerojet.com>; Date: Tue, 9 Jan 2007 13:48:56 -0800; I have pictures of each combustion chamber if that will help in analysis by email. I think the additve is made by CD-2, not "Real Lead" brand. I have not removed the valves yet. Ken; /html/healeys/2007-01/msg00131.html (8,287 bytes)
11. Re: Pistons damaged again (score: 1): Author: "Ron Fine" <RonFineEsq@earthlink.net>; Date: Tue, 9 Jan 2007 14:00:35 -0800; Hi Dave, for those of us still learning, could you define "high compression engines"? Is a stock rebuilt 3000 Healey engine a high compression engine? Thanks, Ron -- Original Message -- From: "Dave &; /html/healeys/2007-01/msg00132.html (12,163 bytes)
12. Re: Pistons damaged again (score: 1): Author: Dave & M <rusd@velocitus.net>; Date: Tue, 09 Jan 2007 15:59:03 -0700; Hi Ron, My BN2 at 7.5 to 1 was not too critical of maximum advance. With it now raised to 9.5 to 1, it is very critical. If the head or block is decked (milled) in the rebuild process, as is often do; /html/healeys/2007-01/msg00133.html (11,468 bytes)
13. Re: Pistons damaged again (score: 1): Author: David Nock <healeydoc@sbcglobal.net>; Date: Tue, 9 Jan 2007 15:55:04 -0800; If this problem was addressed in 2004 it would have been easy. Possible just install a set of rings and that would have been it. What has happened now is due to the detonation the side of the piston; /html/healeys/2007-01/msg00134.html (9,737 bytes)
14. RE: Pistons damaged again (score: 1): Author: John Sims <ahbn6@optonline.net>; Date: Tue, 09 Jan 2007 19:02:00 -0500; I am certainly not an expert but I heartily agree with David. Years ago on my Detroit iron I had a piston sleeve (bottom portion) shatter and the pieces broke a damper as well as scoring the cylinder; /html/healeys/2007-01/msg00135.html (10,447 bytes)
15. RE: Pistons damaged again (score: 1): Author: "BJ8Healeys" <sbyers@ec.rr.com>; Date: Tue, 9 Jan 2007 17:21:03 -0800; I had the exact same thing happen to my BJ8 engine about 7 years ago. I heard the pieces breaking off the pistons and rattling around, but had no idea what it was. Between the first time I heard the; /html/healeys/2007-01/msg00136.html (10,730 bytes)
16. Re: Pistons damaged again (score: 1): Author: <mgtrcars@galaxyinternet.net>; Date: Tue, 9 Jan 2007 21:32:49 -0500; FWIW, to backup what Dave has suggested I have noticed a real trend toward resetting timing at high revs rather that the customary idle speeds. Several sources are now suggesting setting timing on so; /html/healeys/2007-01/msg00137.html (10,483 bytes)
17. RE: Pistons damaged again (score: 1): Author: "Tom Felts" <tomfelts@earthlink.net>; Date: Wed, 10 Jan 2007 09:20:05 -0500; Ditto on mine--6/7 years ago. Had a complete engine rebuild as a result. engine a a detonation, Mallory; /html/healeys/2007-01/msg00147.html (11,755 bytes)
18. Pistons damaged again (score: 1): Author: Alan Schultz <alan@andysnet.net>; Date: Wed, 10 Jan 2007 09:00:08 -0600; I deleted your original message but noted that you had not changed your oil filter for a very long time. I would say that the oil flter became clogged with debris which then caused the by-pass valve; /html/healeys/2007-01/msg00149.html (7,821 bytes)
19. RE: Pistons damaged again (score: 1): Author: "Freese, Ken" <Kendall.Freese@Aerojet.com>; Date: Wed, 10 Jan 2007 07:08:13 -0800; No, you miss read the post. The oil and filter were changed regularly, but the fresh oil was not filtered because the faulty adapter let the oil bypass the filter. My oil pressure is still good like; /html/healeys/2007-01/msg00150.html (8,135 bytes)
20. Re: Pistons damaged again (score: 1): Author: "Alan Seigrist Blue 100" <healey.nut@gmail.com>; Date: Thu, 11 Jan 2007 09:17:07 +0800; Are you using one of those very old adaptors that fit on the tecalemit filter head? Moss and SC Parts used to sell this piece of shite 20 years ago. If so, you should take that thing, go to the near; /html/healeys/2007-01/msg00166.html (9,081 bytes)

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