DirtRacer9s Posted June 2, 2013 Report Share Posted June 2, 2013 I am looking for some shorty spark plugs with the same heat range as the autolite ar73. Can anyone point me in the right direction. Thanks. Link to comment Share on other sites More sharing options...
BobbyJack Posted June 2, 2013 Report Share Posted June 2, 2013 I run the accel short plugs from speedway 105-437S 13/16 head but they have 3 choices for 5/8 head plug BOBBY JACK Link to comment Share on other sites More sharing options...
DirtRacer9s Posted June 3, 2013 Author Report Share Posted June 3, 2013 I run the accel short plugs from speedway 105-437S 13/16 head but they have 3 choices for 5/8 head plug BOBBY JACK Thanks. I need the 13/16 head also. Link to comment Share on other sites More sharing options...
DirtRacer9s Posted June 3, 2013 Author Report Share Posted June 3, 2013 How much shorter are those plugs. I have atleast one plug that is going to have to be pretty short compared to the autolite I have in it now. Link to comment Share on other sites More sharing options...
BobbyJack Posted June 5, 2013 Report Share Posted June 5, 2013 I WOULD BE GUESSING WITHOUT MEASURING. ABOUT 1/2 INCH. I HAD PROBLEMS WITH SCHOENFELD CLEARANCE BUT BOUGHT SOME USED DYNATECH AND BIG DIFFERENCE. I GUESS U GET WHAT U PAY FOR. Link to comment Share on other sites More sharing options...
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