RX7Club.com - Mazda RX7 Forum - Newer NGK Iridium Plug

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cewrx7r1

01-16-09 03:53 PM

Newer NGK Iridium Plug

BRnnECMIX

Appears to have a longer threaded shell more like the R6725-nn racing plugs. I can't find much info about it. Price is about $11.

http://www.sparkplugs.com/results_cr...cmix&x=53&y=14

C. Ludwig

01-16-09 04:31 PM

The correct reach is 21.5mm (stock and R6725). That plug has a 19mm like most.

cewrx7r1

01-18-09 11:13 AM

Quote:

Originally Posted by C. Ludwig (Post 8885331)

The correct reach is 21.5mm (stock and R6725). That plug has a 19mm like most.

That is a given/understood DOH! I am looking beyond the small envelope!

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