[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
RE: Installed new parts, car runs like shit
Ford used the same spark plugs for all years the S.V.O. was produced.
Remember the spark only lights off the combustion process. More air and
fuel is not the difference, it just lights the match.
At 11:41 AM 9/10/97 -0400, Sly, Dennis wrote:
>Do you know if Ford used the same plugs every year in the SVO's. My
>questions revolves around your point about The platinum plugs do not
>have as hot of a spark, thus do not perform well under high boost
>conditions. In the later years of the SVO the injectors were upgrades to
>36#. Would they not need a hotter spark to burn more gas?
>84 SVO, Silver
>>From: Leiding,Steve [Wpg] [SMTP:Steve.Leiding@EC.GC.CA]
>>Sent: Friday, September 05, 1997 4:57 PM
>>To: Mustang SVO Mailing List
>>Subject: RE: Installed new parts, car runs like shit
>>>> Until someone provides me with scientific evidence that Platinum Coated
>>>> Spark Plugs are bad for my Turbo 2.3, I'm just going to ignore this
>>>> about "platinums being bad."
>>Because of the high cylinder pressure in a turbo engine, it is a bit
>>harder to light off the mixture than in a comparable normally aspired
>>engine. The problem is that with high cylinder pressures increased
>>necessary to make the spark jump the gap. This is why we run a small
>>of .035" or less. The higher the pressure, the higher the voltage
>>The platinum plugs do not have as hot of a spark, thus do not perform
>>high boost conditions. But, they last a really long time ! I figure,
>>as our plugs
>>are fairly easy to change - go with a cheap conventional plug, and
>>>"According to my calculations the problem doesn't exist."