tigers
[Top] [All Lists]

Re: [Tigers] Anti-Seize on Spark Plugs

To: rfraser@bluefrog.com
Subject: Re: [Tigers] Anti-Seize on Spark Plugs
From: Larry Mayfield <drmayf@mayfco.com>
Date: Wed, 18 Apr 2012 18:22:23 -0700
Cc: 'Tiger's Den' <tigers@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: tigers@autox.team.net
In-reply-to: <4696A944B49D47CE99AD49D61688BBBE@ronpc1>
List-archive: <http://autox.team.net/pipermail/tigers>
List-help: <mailto:tigers-request@autox.team.net?subject=help>
List-id: Sunbeam Tigers <tigers.autox.team.net>
List-post: <mailto:tigers@autox.team.net>
List-subscribe: <http://autox.team.net/mailman/listinfo/tigers>, <mailto:tigers-request@autox.team.net?subject=subscribe>
List-unsubscribe: <http://autox.team.net/mailman/options/tigers>, <mailto:tigers-request@autox.team.net?subject=unsubscribe>
Organization: Mayfield Motorsport
References: <4696A944B49D47CE99AD49D61688BBBE@ronpc1>
Reply-to: drmayf@mayfco.com
Sender: tigers-bounces@autox.team.net
User-agent: Mozilla/5.0 (Windows NT 5.1; rv:11.0) Gecko/20120327 Thunderbird/11.0.1
Interesting..torque specs weren't up front in the head specs...

Thanks, I stand corrected. I will no go out and torque the plugs in the 
Tiger to 17.5 ft-lbs...is that with or without lube?


mayf

______________________________
drmayf
Worlds Fastest Sunbeam, period.
204.913 mph flying mile
210.779 mph exit speed


On 4/18/2012 5:32 PM,  Ron Fraser wrote:
> Spark plug torque
>
> Tapered plug - snug + 1/8 turn
> Washer style - snug + 1/4 turn
>
> This seems to be the norm for spark plugs.
>
> Tiger Shop Manual - Section B - Page 70 - torque = 15 - 20 ft lbs
>
> Ron Fraser
>
> -----Original Message-----
> From: tigers-bounces@autox.team.net [mailto:tigers-bounces@autox.team.net]
> On Behalf Of Larry Mayfield
> Sent: Wednesday, April 18, 2012 6:18 PM
> To: Jay Laifman
> Cc: Tiger's Den
> Subject: Re: [Tigers] Anti-Seize on Spark Plugs
>
>
> Intersting...but, I am throwing the BS flag on this one.   When the plug
> was fires, in this case,  and the spark arcs under the boot to the metal
> case, it is done. The case with its tapered seat grounds the spark to
> the head and no further  current flows.   The engineer mentions that the
> spark runs down the case to the inside of the spark where the center
> electrode is housed in ceramic and sparks inside there.  I don't think
> so.  Again, in a normally firing plug, the current flows down the center
> of the plug, jumps the gap and grounds itself on the side of the plug
> case. That side is grounded both by the threads and the plug seat.  As
> to the anti seize, yeah too much is a bad thing. But it must also be
> noted that the common variety anti sieze compounds use some sort of
> metallic powder in them. I have two different kinds, one with small
> copper microballs and one with a nickel alloy for higher heat
> applications.  The metals in the anti seize are conductive in
> themselves  so having them between the threads and head material is a
> non issue. getting the goo on the electrode is a problem though and you
> should avoid that.  Also, getting it on the exterior plug ceramic is a
> no no as well. Why? well because it IS conductive stuff. so if you have
> a db on the ceramic  the spark energy will take the easiest path to
> ground and that isn't through the center electrode.  Anybody remember
> what the plug torque is for their spark plugs in their Tigers?  I don't
> see it in the repair manual. I didn't get a torque spec with the
> aluminum heads for the race car either.   Most say something  like hand
> tight plus a bit  extra  with the wrench.  As to putting the dielectric
> grease inside the boot. Oh yes! It makes those suckers really easy to
> get all the way on. And that makes good electrical contact with the
> center electrode.  It doesn't seem to help me get the boot off though.
>
> Just use a dab of ante seize.  like a bit on a q tip.   Or use milk of
> magnesia, works just as well and is non conductive.
>
> happy sparking
>
> mayf
>
> ______________________________
> drmayf
> Worlds Fastest Sunbeam, period.
> 204.913 mph flying mile
> 210.779 mph exit speed
>
>
> On 4/18/2012 12:51 PM, Jay Laifman wrote:
>> Every car guy should watch this!
>>
>> http://www.youtube.com/watch?v=1zw7d8B8ETw&feature=player_embedded
>>
>> Jay
>> _______________________________________________
>>
>> tigers@autox.team.net
>>
>> Donate: http://www.team.net/donate.html
>> Archive: http://www.team.net/archive
>> Forums: http://www.team.net/forums
>> Unsubscribe:
>> http://autox.team.net/mailman/options/tigers/drmayf@mayfco.com
> _______________________________________________
>
> tigers@autox.team.net
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/archive
> Forums: http://www.team.net/forums
> Unsubscribe:
> http://autox.team.net/mailman/options/tigers/rfraser@bluefrog.com
>
>
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2012.0.1913 / Virus Database: 2411/4942 - Release Date: 04/17/12
_______________________________________________

tigers@autox.team.net

Donate: http://www.team.net/donate.html
Archive: http://www.team.net/archive
Forums: http://www.team.net/forums
Unsubscribe: http://autox.team.net/mailman/options/tigers/mharc@autox.team.net


<Prev in Thread] Current Thread [Next in Thread>