scoobyGLx

Im looking for some suggetions on a new set of spark plugs after checking that mine aint been replaced for 2 years! [img]images/smilies/mad.gif[/img]

Car: GL 2.0 MY99
Mods: Complete Decated Exhaust system.

at the moment im looking at the Blitz Iridium Spark Plugs but they have 3 grades ..

Available in three heat ratings, 6 (for standard UK cars) 7 (for STi's, modified UK cars etc) and 8 (for highly modified cars).

would I benifit from using the 7 rated plugs or just stick with the 6 rated ones. Ive also been looking at NGK plugs, again with different ratings.

Can anyone recommend or comment on what I should get.

also ... any reliable and cheap places to get these from??

cheers, Lee

ALi-B

iTrader: (1)

Personally I'd only go for NGK's and nothing else.

In terms of temp rating; I doubt you'd need anything different from standard with just an exhaust system.

The only exception is maybe if your blasting round a race track (i.e full thottle 95% of the time) all day or drive just half a mile everyday. In which case you'll need colder plugs for the previous and hotter for the latter.

scoobyGLx

Thanks for the quick reply.

Just taken a look around for NGK plugs .. managed to source some BKR6E-11 for £3.30 each, but looking at the owners manual it recommends BKR5E-11 .. whats the benifits from going from a 5 rating to a 6 rating, and would it be advisable to do this with my spec.

Cheers, Lee

greasemonkey

The 5 will do you sGLx. The 6/7's and the likes of the Blitz Iridium plugs are designed for turbocharged engines, not the normally aspirated ones.

scoobyGLx

Thanks for the reply.

Time to source some 5s then

Cheers, Lee