spdrcr771

iTrader: (21)

Just wondering if any of you guys have used Torque Master spark plugs in your IS-F. If you have, what kind of difference did it make & did they work as good as OEM?
I ran the Torque Master plugs in my 98 SC430 "3uz" block swap SC400. They worked great & I could definitely tell a difference. Now that could have been, cause the OEM plugs were toast & so for sure you would feel a difference. But none the less they worked great & lasted a long time. Now judging from these two pics. They look like they would work basically the same. Kinda looks like Denso took the same approach that Torque Master did, to make sure the spark would have an equal field around the tip.

OEM


Torque Master. The plug on the right would be the one I'd be buying.

MisterSkiz

iTrader: (2)

Its a pain to put spark plugs in the IS-F, you have to move a ton of stuff to get to things.

I bought OEM plugs and put them in to the right torque spec because I did not want to have to pull stuff out again to replace a bad plug, etc.

lobuxracer

iTrader: (2)

I have tried all kinds of plugs over the years. None made a difference in power on a properly tuned engine.

isfvss

Nothing wrong with NGK iridium plugs. I can put more voltage through any plug and the spark is sooo much brighter, but that's not what happens in the engine on a compression stroke cheers...........

spdrcr771

iTrader: (21)

So, just an update. Lol, not that anyone seems to care... But I had a long talk with my buddy Joe Hussane aka Carchitect. He gave me a big speach about how the Denso plug was designed especially for the direct injection UR motor & that if I used any other plug besides that or the HKS plug. I was have a bunch of misfires & codes popping all over the place.
Well after almost a full week of driving on the Torque Master plugs. Ive had zero issues. Changing the plugs was a lil PITA. I guess next time I would buy the Denso replacements only cause, they can be bougtht on Amazon for almost $8ea & I paid $12.50ea for the T/M plugs.

isfvss

That's cheap try $26-$39 for NGK in Australia, I cant understand why they are so expensive is it because they fit Lexus ????????????????

ForzaF

iTrader: (3)

I belive those densos on amazon are a fake denso for that kinda price. We had a discussion regarding this topic.

flowrider

iTrader: (9)

I was burned (no pun intended) on eBay with fake Denso plugs. There is another Denso line, their TT plug which, according to Denso technical are better than the OEM plug. I have a set of them. See page 4 and 5 of this thread:

https://www.clublexus.com/forums/is-...008-isf-4.html

Lou