Spark Plugs

[M E S O G L E A]

Anyone ever use NGK R7433-8?

My tuner recommends them but I feel they cost too much.

[R31Nismoid]

There are 100's of threads on spark plugs mate.

Please have a go @ the search

[abu]

Just use the normal NGK copper

[M E S O G L E A]

The search function is great when it finds exactly what I was searching for.

I inquired specifically about the NGK R7433-8, not the standard copper or the iridium.

My tuner gave a suggestion and I prefer an opinion from other English speaking enthusiasts before I drop $180 on a set.

[NYTSKY]

NGK BCPR6ES is all you will need.

[grandmasterb]

The search function is great when it finds exactly what I was searching for.

I inquired specifically about the NGK R7433-8, not the standard copper or the iridium.

My tuner gave a suggestion and I prefer an opinion from other English speaking enthusiasts before I drop $180 on a set.

NGK BCPR6ES is all you will need.

As posted by NYTSKY most users of this forum run the standard cobber plug but different heat ranges. I personally use a race plug and set my plugs up different (wont go into detail on the forum at the moment as its a race secret) but we have back to back dyno runs with just a plug change that shows an increase in power through the rev range in the race car

If your tuner recommends those plugs ask him why and what are the benefits/gains in doing so

[M E S O G L E A]

I plan on asking him as I had my wife inquire what plugs I should use when she ordered more parts and set up for a tuning appointment.

With my limited Japanese and his limited English, it usually ends up with him saying, "more better". He doesn't give a crap where I buy them but his price is usually much less than others because I have already spent a few thousand at his shop in parts. I get a discount as I am a regular and his only gaijin customer.

He said any are good as long as they are the 8 series heat range.

[NYTSKY]

Heat range 8 is way too cold for a street car. 7's would be as cold as i would go.

[grandmasterb]

Heat range 8 is way too cold for a street car. 7's would be as cold as i would go.

Also considering the weather in in Japan i would also not go over a 7 but again unless there is something your tuner knows hence the recommendation