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[R-vin]

hi,
does any one know what spark plugs can be used on the Omega A C30NE  engine, it runs only on gasoline,  the owners manual specifies BPR6HS spark plugs, but these are hard to find....

[Keith ABS]

Is it a12 valve or 24 valve engine?
Keith B

[biggriffin]

Think 3.0ne is 12v and 3.0se is 24v.

[LC0112G]

EPC lists (ACDelco) CR42CFS, which superceeds to (Bosch) WR7BC. Vx number is 90297143, opel is 12-14-805.

Also used on some Corsa A's,

[Keith ABS]

  I have GM ones here for both engines but the cost of shipping out to you will probably be to expensive
Keith B

[R-vin]

hey guys,

 thanks for the info...i`m currently hold up in Brazil.... no Omega B`s here, only Omega A`s (93-98) after which the rebadged LHD commodore was imported fully assembled....  i found the 3.0 6cyl estate Omega A with the C30NE 12v engine / auto tranny at what i thought was a bargain, now i realise why it was being sold, Brazil never had a good parts back up / spare parts..... 

 93214694 is listed online as a AC Delco substitute,the brasilian manual states BPR6HS as the spark plug,  cross referencing here reveals that this plug does not have a substitute...   i remember that NGK had a naming scheme such as BP5ES for a hot plug and the BP6ES for the colder plug....  does this apply to NGK plugs across the board???

if the BPR6HS referrs to a colder plug, would BPR5HS be the hotter plug version?

i`ve come across BPR6EY readily available here in brazil..... but can`t find any specs / dimensions online....

what can be consequences of using a hotter plug than the colder one?  will it increase the instance of pre ignition as i frequently hear from cars climbing the  steep hill where i stay at?  what about gas mileage? would i consume more using a hotter plug?

warm regards
R-vin