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Gapping Point Spark Rb20det

MYCEF3

By MYCEF3,
in South Australia

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MYCEF3

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Posted (edited)

Hey guys

Reeeeall stupid qusetion and i cant find it no where

What is the exact sparking mesurement for the spark plugs (RB20DET)

Iv found n bn told 1.0mm

1.1mm

0.08mm

I had them all at 1.0mm and it was missing as i was coming on boost fairly mild

took them out made them bit smaller roughly 0.9mm and its running a hell of a lot better now top end high revs is missing???

Sooo im thinking its smaller again!

Just so i dont have to take it apart again, What u guys reckon

Cheers

Edited by MYCEF3
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https://www.sau.com.au/forums/topic/293895-gapping-point-spark-rb20det/
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MYCEF3 Collaborator

MYCEF3

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Cheers KISIN! Yeah i found that, but the answer that person gave "Ummmmmm i reckon..... roughly 0.08mm" (WOW convincing much)

Which yeah i wanted to ask yous n find out EXACTALLY the messurement

MYCEF3 Collaborator

MYCEF3

Posted
  • Author
Posted (edited)
0.8 not .08 sorry typeo!!

and yeh standard for RB25s as well.

Hahah thats what i ment as well!

0.08... That would be a very tight spark :P (haha... tight.... :thumbsup: )

Edited by MYCEF3
D_Stirls Veteran

D_Stirls

Posted
Posted

With an N/A engine 1.1 is the standard and that is what most plugs are out of the box.

With a force inducted car you get away with what you can but most people will run around the 0.8 mark.

Also be careful with platinum plugs (which i will never use unless i own a car which is a bitch to change plugs) not to touch the electrode as the platinum coating is only a few microns thick and if you push a screw driver in their trying to gap a plug you will ruin it.

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