ID Spark Plug Use

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Topic author
Harry Lillo
Posts: 327
Joined: Fri Jan 04, 2019 10:18 pm
First Name: Harry
Last Name: Lillo
* REQUIRED* Type and Year of Model Ts owned: Speedsters, racers, depot hack, coupe
Location: Calgary
MTFCA Number: 13996

ID Spark Plug Use

Post by Harry Lillo » Thu Aug 11, 2022 4:03 pm

I have quite a number of old ( 1950's and 60'S ) spark plugs in original packaging and
in most cases original boxes. They are mostly Champion and AC.
While the boxes and plugs are marked with numbers and letters I would like to know their
various application (vehicles which use them).
I have identified the Champion A25's and X cores but the rest are a mystery to me.
Are any of the members here aware of a reverse look up chart that identifies use from the
plug number. For example AC 45XLS, 44FFS or 82MS??
Thank you,
Harry Lillo Calgary

User avatar

CudaMan
Posts: 2385
Joined: Fri Jan 04, 2019 4:17 pm
First Name: Mark
Last Name: Strange
* REQUIRED* Type and Year of Model Ts owned: 1924 Cut Off Touring (now a pickup)
Location: Hillsboro, MO
MTFCA Number: 30944
MTFCI Number: 23667
Board Member Since: 2013

Re: ID Spark Plug Use

Post by CudaMan » Thu Aug 11, 2022 4:32 pm

Not a reverse chart, but here is what I have:
Attachments
champion_sparkplug_xref.jpg
1930_champion_chart_002.jpg
1930_champion_chart_001.jpg
ad_07.jpg
Mark Strange
Hillsboro, MO
1924 Cut-off Touring (now a pickup)


Topic author
Harry Lillo
Posts: 327
Joined: Fri Jan 04, 2019 10:18 pm
First Name: Harry
Last Name: Lillo
* REQUIRED* Type and Year of Model Ts owned: Speedsters, racers, depot hack, coupe
Location: Calgary
MTFCA Number: 13996

Re: ID Spark Plug Use

Post by Harry Lillo » Thu Aug 11, 2022 10:22 pm

Thank you Mark.
Looks like good information but my old eyes or the resolution on the computer screen
makes it difficult for me to read.

Harry

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