Re: [Chrysler300] Spark plugs

[Michael Moore <mmoore8425@xxxxxxx>]

Does anyone know the diameter and no of blades should be on a 300H ?

Does anyone know a source fir a correct fan blade clutch?

Thanks, Mike Moore
Morgan Hill, Ca


On Dec 24, 2011, at 10:10 AM, Rich Barber wrote:

> A quick Google indicates the pitch is also metric-1.25 mm-20.32
> threads/inch. Also, recommends using a thread chaser, not a tap.
> 
> Reminds me of an early and major panic when I twisted off a new spark plug
> in a customer's hemi at Earl Canady's Phillips 66 station at 42nd &
> University in Des Moines in about 1955. As a young teen, I pictured having
> to pull that huge head and a trip to a machine shop. Otto, the senior
> mechanic, selected a long, heavy screw driver, inserted it into the broken
> off threaded section in the head, rapped it a few times with a hammer,
> proceeded to unscrew the broken-off lower portion of the spark plug and
> brought the piece out, firmly set on the end of the screwdriver. The plug
> has straight threads, of course, so was an "easy out". I had removed the
> spark plug gasket as was/is proper for hemi's, but was not allowed to use
> the boss' precision torque wrench. Live and learn. Whew. Getting the
> spark plug gaskets off of the spark plugs is no easier now than it was then.
> Wedge heads are advised here that the soft aluminum tube that surrounds the
> plug and ignition wire in the hemi head curves around to fit closely to the
> base of the spark plug and serves as the gasket. I still wonder how many
> plug round trips that aluminum tube is good for.
> 
> Recalling rich-est memories of Christmas' past at the station during the
> winter. We were open, but closed early Christmas Eve and Christmas Day.
> Some customers gave us Christmas tips and others brought fudge and cookies.
> I loved working there in the '50's. We also closed early on New Year's eve,
> mainly to avoid the drunks. The big Chryslers with 8.20X15 or 9.00X15 snow
> tires never seemed to get stuck and had great heaters and defrosters. Those
> parked outside often required a jump start, especially in sub-zero weather
> that weakened batteries and thickened the motor oil.
> 
> Best wishes to all for a Merry 300'ly Christmas and a Happy, Healthy and
> Prosperous New Year.
> 
> Rich Barber
> 
> Brentwood, CA (27 last night-very cold for here)
> 
> From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On
> Behalf Of Ronald Kurtz
> Sent: Saturday, December 24, 2011 6:17 AM
> To: chrysler300@xxxxxxxxxxxxxxx
> Subject: [Chrysler300] Spark plugs
> 
> Hello, everyone:
> 
> During reassembly of engine, drive chain and other parts, I always chase all
> 
> threads to help assure proper bolt and nut torque with appropriate taps and 
> dies. J10Y plugs are specified as 14mm, according to the shop manual. Can
> anyone 
> recommend the correct thread pitch to clean out the threads for the spark
> plugs 
> in the cylinder heads? 
> 
> Best,
> Ron Kurtz
> E #292
> 
> [Non-text portions of this message have been removed]
> 
> [Non-text portions of this message have been removed]
> 
> 



[Non-text portions of this message have been removed]



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