[DeTomaso] Sparkplugs

wkooiman at earthlink.net wkooiman at earthlink.net
Wed Jul 7 03:47:46 EDT 2010


The gasket is the washer.

If it doesn't have a gasket/washer, it seals with a taper seat.

You can probably use a taper seat plug, but I like the washer/gasket type better.  It's easier on the aluminum.


-----Original Message-----
>From: Henrik Svensson <hsv at traen.se>
>Sent: Jul 7, 2010 2:23 AM
>To: wkooiman at earthlink.net, Asa Jay Laughton <asajay at asajay.com>
>Cc: detomaso at realbig.com
>Subject: Re: [DeTomaso] Sparkplugs
>
>Hi
>
>I looked at the 3926 and it says "Gasket Seat"? 
>
>/Henrik
>
>-----Ursprungligt meddelande-----
>Från: wkooiman at earthlink.net [mailto:wkooiman at earthlink.net] 
>Skickat: den 6 juli 2010 22:48
>Till: Henrik Svensson; Asa Jay Laughton
>Kopia: wkooiman at earthlink.net
>Ämne: Re: SV: [DeTomaso] Sparkplugs
>
>That describes Autolite 3926 - 3/4" reach, 5/8 hex, washer seat, street heat range.
>
>3923 is what I was fouling.
>
>The last digit is the heat range - lower is colder.
>
>I'm pretty sure there is a 3924.  I don't know about 3925.
>
>If you don't like or can't get Autolite, I'm sure you can cross reference these pn's.
>
>-----Original Message-----
>>From: Henrik Svensson <hsv at traen.se>
>>Sent: Jul 6, 2010 2:16 AM
>>To: Asa Jay Laughton <asajay at asajay.com>
>>Cc: wkooiman at earthlink.net
>>Subject: SV: [DeTomaso] Sparkplugs
>>
>>Yes, and I think I will need other dimensions for my aluminium heads.
>>
>>
>>3/4" reach, 5/8 hex, washer seat. 
>>
>>/Henrik
>>
>>
>>
>>-----Ursprungligt meddelande-----
>>Från: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] För Asa Jay Laughton
>>Skickat: den 5 juli 2010 18:39
>>Till: detomaso at realbig.com
>>Ämne: Re: [DeTomaso] Sparkplugs
>>
>>That's a totally different plug.  I guess I should have stipulated that 
>>I run stock cast iron 4V heads.  What are you running Will?
>>
>>Asa Jay
>>
>>Asa Jay Laughton, MSgt, USAFR, Retired
>>&  Shelley Marie
>>Spokane, WA
>>******************************
>>http://www.racingagainstautism.com
>>http://www.teampanteraracing.com
>>
>>
>>On 7/5/2010 09:19, Will Demelo wrote:
>>> I run NGK  BKR6E plugs in my 393 cleve
>>> Will
>>> ----- Original Message -----
>>> From: "Henrik Svensson"<hsv at traen.se>
>>> To: "Will Kooiman"<wkooiman at earthlink.net>;<michael at michaelshortt.com>
>>> Cc: "detomaso mailing"<detomaso at realbig.com>
>>> Sent: Monday, July 05, 2010 11:24 AM
>>> Subject: Re: [DeTomaso] Sparkplugs
>>>
>>>
>>>    
>>>> Hi
>>>>
>>>> Will, that discribes my situation exaclty. How did you solve your problem?
>>>>
>>>> Micheal, I'm not sure how to describe it more and what info might be
>>>> useful. But it's new built 393 stroker with 4V AFD heads. It got roller
>>>> rockers and solid mechanical lifters. it's got an Edelbrock performance
>>>> intake and carb (750) with electronic choke. For a while thougt it was the
>>>> choke that made the plugs sooty but that don't seem to be the case. The
>>>> plugs looks ok but won't fire the engine.
>>>>
>>>> /Henrik
>>>>
>>>> ________________________________
>>>>
>>>> Från: Will Kooiman [mailto:wkooiman at earthlink.net]
>>>> Skickat: må 2010-07-05 16:36
>>>> Till: michael at michaelshortt.com; Henrik Svensson
>>>> Kopia: 'detomaso mailing'
>>>> Ämne: RE: [DeTomaso] Sparkplugs
>>>>
>>>>
>>>>
>>>> I don't know the heat range of NGK BCP 6ES, but that sounds exactly like
>>>> what my car did when my plugs were too cold.
>>>>
>>>> It would start great when the plugs were new, but after only a few
>>>> minutes,
>>>> it would get harder and harder to start.  Eventually, I couldn't start it
>>>> no
>>>> way, no how.
>>>>
>>>> -----Original Message-----
>>>> From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com]
>>>> On
>>>> Behalf Of michael at michaelshortt.com
>>>> Sent: Monday, July 05, 2010 9:14 AM
>>>> To: Henrik Svensson
>>>> Cc: detomaso mailing
>>>> Subject: Re: [DeTomaso] Sparkplugs
>>>>
>>>> Can you describe the whole situation? MICHAEL SHORTT
>>>>
>>>> On Jul 5, 2010 6:09 AM, "Henrik Svensson"<hsv at traen.se>  wrote:
>>>>
>>>> Hi
>>>>
>>>> I'm looking into my starting problem and I have reached the sparkplugs.
>>>>
>>>> I actually have no clue what plugs to use so I'll send a general
>>>> question here.
>>>>
>>>> I have a 393 stroker with AFD 4v heads and MDS ignition.
>>>>
>>>> The plugs I use today is NGK BCP 6ES.
>>>>
>>>> When the plugs are new the engine fires without problem. But after a
>>>> while the engine gets harder to fire up.
>>>>
>>>> The plugs does look ok to me when removing them, just a very little
>>>> sooty but not as much that is should give me problem when firing the
>>>> engine?!?
>>>>
>>>> Any recommendations regarding Heat Range or electrode gap?
>>>>
>>>> Henrik
>>>> #1477
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