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#1 |
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Senior Member
Join Date: May 2010
Location: Windy City
Posts: 2,919
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I picked these up (carefully with gloves!
) at a swap. 7/8 thread, they fit a Model A............Anybody ever use them? .........Any idea as to the heat range?
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#2 |
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Senior Member
Join Date: May 2010
Location: Quincy CA
Posts: 752
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You need a hot motor to run these!!!![]() Joe
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1929 Tudor since 1962 Feather River A's Last edited by JoeWay; 05-11-2010 at 11:20 PM. |
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#3 |
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Junior Member
Join Date: May 2010
Location: Round Rock, Texas
Posts: 12
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Ha Ha I have one of those . I think they are super cool. I have only seen the one I bought ever listed for sale.
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#4 |
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Senior Member
Join Date: May 2010
Location: South East NJ
Posts: 3,398
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Here is some info
http://en.wikipedia.org/wiki/Polonium http://www.orau.org/ptp/collection/c...sparkplugs.htm http://periodictable.com/Elements/084/index.html Since the half life is 138 days- Me thinks they have lost their zest. Pretty cool none the less! |
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#5 |
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Senior Member
Join Date: May 2010
Location: McPherson, KS
Posts: 219
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There's some information here: http://www.blackcatsystems.com/science/radprod.html about those. Not a lot of detail, and I'm not sure why they thought it was going to help the spark bridge a larger gap... but "radioactive" was a buzz word much overused back in the day, much like "antioxidant" today
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#6 |
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Senior Member
Join Date: May 2010
Posts: 693
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#7 |
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Senior Member
Join Date: May 2010
Location: Tucson, Arizona
Posts: 374
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I have some of those of various sizes, they stay in the boxes because the ceramic is a pink-purplish color that clashes with Ford Green...
However I have one in a recently acquired engine that runs fine; it has a different spark plug in every cylinder (which I don't recommend) but they all seem to be in the correct heat range. |
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#8 |
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Senior Member
Join Date: May 2010
Location: Portland, ON, Canada
Posts: 315
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Pink? Interesting; I recall the only pink plugs I have seem were "Lodge".
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Dave A Jamieson Portland, ON Canada 1928 Tudor |
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#9 |
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Administrator
Join Date: Apr 2010
Location: Austin, TX
Posts: 688
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OK, I have to have one of those boxes...
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#10 |
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Senior Member
Join Date: May 2010
Location: Ridgefield, Ct
Posts: 3,450
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#11 |
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Senior Member
Join Date: May 2010
Location: Hannibal, Mo.
Posts: 124
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I have a box of these that are T-30, The thread dia. looks about 3/8". I think they fit a 216 c.i. chevy. Does yours have a date on the inside of the top? Mine has Oct.23 1941. I had forgot I even had them. Thanks for reminding me. "COOL"
Stan/MO. |
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#12 |
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Junior Member
Join Date: May 2010
Location: lost wages nv
Posts: 16
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those are AWESOME!!! i want some!
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#13 |
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Senior Member
Join Date: May 2010
Location: pawlet vt/ port jefferson sta. ny
Posts: 183
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They were used on the starship enterprise.......
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#14 |
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Senior Member
Join Date: May 2010
Location: McPherson, KS
Posts: 219
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#15 |
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Senior Member
Join Date: May 2010
Location: Northport, NY
Posts: 1,597
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they were specialy made for the Universal "ATOMIC FOUR ENGINE" popular for sailboat auxiliary power for forty years. ;-)
http://pearsonvanguard.homestead.com/files/atomic4.htm The Atomic Four really took Champion RJ12C's. |
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#16 |
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Senior Member
Join Date: May 2010
Location: Naperville, IL
Posts: 1,387
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I bought a box of those many years ago and have run them in my Coupe ever since. I really didn't believe the advertising. It would be interesting to check them out.
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