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Spark Plugs

donkeypunch

By donkeypunch,
in Engines & Forced Induction

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donkeypunch Enthusiast

donkeypunch

Posted
Posted

hey there,

just taken out my NGK BKR7E that have been gapped to.5, my mechanic has ordred me bosch plugs to replace them. what should i gap them too?

RB26 about 500hp, 18lbs boost, read that the bosch plugs arent that good?

cheers robbie

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blow thru Contributor

blow thru

Posted
Posted
hey there,

just taken out my NGK BKR7E that have been gapped to.5, my mechanic has ordred me bosch plugs to replace them. what should i gap them too?

RB26 about 500hp, 18lbs boost, read that the bosch plugs arent that good?

cheers robbie

NGK all the way, i use r5671A-8 which is a not protruded plug.My rb20 makes 299rwkw on 1.5bar(20lbs)i keep the gap they come out of the box .8mm an no problems. Ialso used the same plugs in my hk ute with a blown 400 sbc an that made 727rwhp.On the part number for the plugs r5671a-8 the -8 is the heat range

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SuperElectric Apprentice

SuperElectric

Posted
Posted (edited)

Don't get bosch.. they are not good spark plugs for the RB26.

i have NGK BCPR7ES which come standard set to 0.8. leave them at that and the car will run great.

Edited by SuperElectric
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