Colder firing spark plugs

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goin_up_river771

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« on: May 23, 2017, 02:24:51 PM »
Looking for the part number for some colder firing spark plugs to exchange the ones I got

461
hydraulic roller
6-71 blower
GM rect. Port heads
dual 650 double puppets
8.7 : 1 compression before the blower
Running a 1 to 1 pulley ratio


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J2

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« Reply #1 on: May 23, 2017, 05:28:33 PM »
My set up requires a colder plug. I've always run the NGK V-Power 8.

 


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