[Tigers] Spark plugs

[spmdr at juno.com]

A recent spark plug purchase has brought heat range availability into
question.

A bought Autolite 45 (old BRF 42) and 46 (old BRF 82).

Been a long time since I bought any 45s.

I could not tell which one is the hotter plug!

They look the same!

Looks like Autolite has changed their 45 plug?

Anyone been down this road recently?

...or noticed their 45s are hotter then they should be?

 DW
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