What plugs for EJ257

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14 June 2010, 09:51 PM

leecalcars

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What plugs for EJ257

What spark plugs are needed for EJ257 block with standered heads do i use the pfr6b's or does the plugs need to burn hotter for the bigger block.

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14 June 2010, 10:16 PM

Butty

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ILFR6B are std. ILFR7H are one step colder. 2.5 heads use long nose plugs.
PFR6B are for 2 litre heads.

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14 June 2010, 11:05 PM

leecalcars

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what if im using standered heads do i use the pfr6b's

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15 June 2010, 12:37 AM

Jolly Green Monster

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what turbo and other mods etc..

generally.. upto 300bhp ngk pfr6b and beyond ngk pfr7b and beyond 450bhp racing 8s etc,.. give or take a bit..

you haven;t said what the standard heads are for / from.. but assume 97/98 heads from profile picture?

Simon