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Total 11 documents matching your query.

1. Was cylinder heads unleaded fuel (score: 1): Author: "Proudfoot, Andrew" <proudfa@NAVCANADA.CA>; Date: Sun, 10 Jan 1999 00:45:00 -0500; I've put 200K miles on a '67 B using unleaded gas and haven't had any problems with premature wear. Denise Thorpe Hi Denise & fellow listers; Interesting to hear your high mileage with leaded fuel. I; /html/mgs/1999-01/msg00567.html (8,288 bytes)
2. RE: Was cylinder heads unleaded fuel (score: 1): Author: "Kulka, Matt" <Matt.Kulka@hboc.com>; Date: Fri, 15 Jan 1999 14:03:07 -0500; Since you asked for comments, and I'm a bit underworked today... 1) Denise: I've heard that if you run your plain ol' leaded gas head (without hardened valve seats) for a few thousand miles with lead; /html/mgs/1999-01/msg00898.html (9,246 bytes)
3. Re: Was cylinder heads unleaded fuel (score: 1): Author: ccrobins <ccrobins@ktc.com>; Date: Sat, 16 Jan 1999 08:44:22 -0600; Hay Matt, Where did you hear that business about the lead additive impregnating the valve seats? CR; /html/mgs/1999-01/msg00931.html (7,465 bytes)
4. Re: Was cylinder heads unleaded fuel (score: 1): Author: REwald9535@aol.com; Date: Sat, 16 Jan 1999 13:42:53 EST; OK, let me put my flame suit on here. If an engine pre ignites (pings) the flame front in the cylinder is not happening at the correct time, or it is not happening smoothly. Both of these conditions; /html/mgs/1999-01/msg00941.html (8,336 bytes)
5. Re: Was cylinder heads unleaded fuel (score: 1): Author: David Lynes <cdlynes@bellsouth.net>; Date: Sat, 16 Jan 1999 13:55:28 -0500; I saw that information also a few months ago posted on the list. Try the archive on Sky's site (http://www.mgb.bc.ca/#archive) or on Mark's new archive at (http://listquest.com). David Lynes, Woodst; /html/mgs/1999-01/msg00942.html (7,952 bytes)
6. Re: Was cylinder heads unleaded fuel (score: 1): Author: "Mike Lishego" <mikesl@tartan.sapc.edu>; Date: Sat, 16 Jan 1999 18:25:32 -0500; engine more However Thus, the You're right about high-octane fuel not giving more power under normal circumstances. However, since higher octane fuel resists pinging, the timing can be advanced to g; /html/mgs/1999-01/msg00954.html (8,546 bytes)
7. Re: Was cylinder heads unleaded fuel (score: 1): Author: Trevor Boicey <tboicey@brit.ca>; Date: Sat, 16 Jan 1999 18:23:09 -0500; Well, advancing the timing can give extra power under some circumstances, but not always. It isn't a situation where you can keep advancing the timing and keep upping the hp. Eventually you just get; /html/mgs/1999-01/msg00955.html (8,800 bytes)
8. Re: Was cylinder heads unleaded fuel (score: 1): Author: "Paul Hunt" <paul.hunt1@virgin.net>; Date: Sun, 17 Jan 1999 16:43:58 -0000; UK MGOC published an article that included a copy of letter from BMW to a customer, saying that after 40k miles running on leaded an engine could run on unleaded without damage "for the rest of its n; /html/mgs/1999-01/msg00975.html (8,195 bytes)
9. Re: Was cylinder heads unleaded fuel (score: 1): Author: Simon Matthews <simon_matthews@avanticorp.com>; Date: Mon, 18 Jan 1999 09:38:53 -0800; these really Actually, a little knock does not neccessarily reduce power. In the very early '80s, I was working on a co-operative project with the european branch of a major US car manufacturer on kn; /html/mgs/1999-01/msg01025.html (8,769 bytes)
10. Re: Was cylinder heads unleaded fuel (score: 1): Author: BobMGT@aol.com; Date: Mon, 18 Jan 1999 23:35:52 EST; Trevor: My 71 B has ping and run-on with regular (even a little occasional run-on with premium). Just had the head reworked, so I know it's not carbon. I wonder what's different between your 70 B and; /html/mgs/1999-01/msg01059.html (8,502 bytes)
11. Re: Was cylinder heads unleaded fuel (score: 1): Author: "Neil Cotty" <neilc@tradesrv.com.au>; Date: Tue, 19 Jan 1999 15:57:39 +1000; Well, I think if it's a 71 Head (18V) you have the 39cc combustion chambers = higher compression ratio. The manual quotes 9.0:1 for a HC motor (I can't calc that 9.0:1 at all, can only calc 9.34:1 -; /html/mgs/1999-01/msg01060.html (8,710 bytes)

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