[s-cars] Spark Plugs - Alternative
mmolyneux at gmail.com
Fri Sep 16 22:36:22 EDT 2005
I just bought five of these plugs too, and will be trying them in a nearly
stock engine (MTM Stage 1). Pulled a plug yesterday and it too looked sooty.
We'll see if they improve anything.
On 9/13/05, D Cosby <dccosby at hotmail.com> wrote:
> I've decided to test out the copper tri-electrode Bosch plugs that Javad
> If memory serves me right they are F6DTC, which is a temp range hotter
> stock. This doesn't make sense in my mind, but my old plugs looked a
> sooty when I removed them (Minhea's chip runs rich) and I was occasionally
> missing under high boost (likely due to the failing, then failed, POS that
> swapped at the same time). Judging by the look of the old plugs, a range
> hotter could be in order.
> Car runs smooth as silk right now right to the top. It may have been the
> plugs, its also likely the new POS. I'll report back if they fail early,
> so far its a cheap experiment for the price of one stock plug.
> I have had problems in the past with the stock plugs failing under less
> 500 miles when I was only running a conserrvative IA chip - including a
> nasty under boost timing pull back that first surfaced through a high
> corner on the track... tail wagging anyone?
> 94 S4: T04e-50 trim @ 1.7 Bar peak, FMIC, water injection, + other
> suspension and brake stuff
> Minneapolis, MN
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