View Poll Results: Which Spark Plug Would You Use?
Denso Iridium
10
35.71%
Torquemaster
14
50.00%
Stock
4
14.29%
Voters: 28. You may not vote on this poll
Denso Iridium Vs. Torqumaster
02-28-03, 01:23 PM
#1
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Denso Iridium Vs. Torqumaster
I have a 99 GS4 would I see any difference if I went to either of these plugs? Which is better? Where can I get the best price
02-28-03, 03:59 PM
#2
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Hoffman,
I believe the Denso Irridium IS the stock plug in a GS4. I have the TM's in and like them. I believe Steve Ganz (SupraTRD on CL, www.l-tunedparts.com) can still get them. Otherwise you can get them directly from the manufacturer.
I believe the Denso Irridium IS the stock plug in a GS4. I have the TM's in and like them. I believe Steve Ganz (SupraTRD on CL, www.l-tunedparts.com) can still get them. Otherwise you can get them directly from the manufacturer.
02-28-03, 04:57 PM
#3
Lexus Test Driver
I talked to Longo Lexus (Verone) and he said that the 99 GS300 came with Irridium Spark plugs and that I didn't have to change it until 100k. I would assume that if the 300 comes with it, the 400 must too.
02-28-03, 07:52 PM
#4
Lexus Test Driver
yeah, the GS4 comes with the iridium plugs. personally, i prefer the iridium plugs over the TM plugs.
the poll should be edited to either iridium or TM's cuz stock is iridium.
the poll should be edited to either iridium or TM's cuz stock is iridium.
Last edited by GSquicksilver; 02-28-03 at 07:53 PM.
03-01-03, 09:00 PM
#5
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I picked up a set of TM from Steve long time ago. Couldn't really tell you the performance gain since I've never dyno the car. But I have not yet encountered any problem with these aftermarket plugs.
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