[Healeys] Vapor lock gas

David P frogeye at porterscustom.com
Tue May 11 13:55:09 MDT 2021

...which begs the question of how many owners run their engines with too 
much ignition advance. Do you know and when was the last time the 
distributor was lubed? Asking for a friend...  Note: Most Lucas 
distributors start advancing at 750 RPM, so if the initial is not set 
there or is above your total may exceed the allowable ... dp

On 5/11/2021 1:00 PM, BJ8Healeys wrote:
> Nathan, I'm a little bit late with my response, so I'll just direct it 
> to you.
> My two cents' worth:
> When I and my traveling companions were returning from Conclave 2008 
> in San Diego and we got to Missouri, we discovered that the highest 
> octane available there was 91.  After filling up with that, both BJ8s 
> missed and knocked and chugged until we got into Tennessee and 
> refilled with 93 octane.
> Recently, a BJ8 owner called me to say he was in the area (300 miles 
> from home) and his engine had begun to "click" under acceleration.  He 
> thought it was a timing problem and wanted me to check that.  He 
> mentioned that he had fueled up with non-ethanol. Around here, some 
> stations advertise "non-ethanol" but they neglect to say the octane 
> was dropped from 93 (with ethanol) to 91 (without).  I suggested that 
> he forget about non-ethanol and go with 93. After that, during his 
> return home, he had no more "clicking" problems.
> Ethanol-laced gas has its own issues (as you might remember from my 
> Black Hills narrative, I had some aggravating stumbling and missing as 
> I left home, due to the bad ethanol that had been in the tank too 
> long), especially if the car isn't used much; but as long as I stick 
> with 93 octane, at least the engine runs as it should.
> Cheers!
> Steve
> -----------------------------------------
> From: "N.S. Bennett"
> To: healeys at autox.team.net
> Cc:
> Sent: Sunday May 9 2021 2:39:24PM
> Subject: Re: [Healeys] Vapor lock gas
> Thanks for the link to the MV article on ethanol and vapor lock. It 
> was a good read.
> Although I'm certain this has been debated (many times) before, what's 
> the general consensus on octane rating when refueling our cars?
> I've always used the highest.i can get. But reading that article has 
> once again made me question my practice.
> Interested in the list's thoughts...
> Cheers!
> Nathan
> '66 BJ8
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation  $12.75
> Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archive
> Healeys at autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/frogeye@porterscustom.com
Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM. 505-352-1378 My World go here: WWW.PORTERBIKES.COM/

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://autox.team.net/pipermail/healeys/attachments/20210511/d05183b9/attachment.htm>

More information about the Healeys mailing list