Spark plugs help
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Spark plugs help Hey guys I have been looking at spark plugs and I read that the ac delco Iridium
are the way to go but when I went to purchase them from advance auto they said that they don't fit a 2000 trans am. The only ac delco they have that for is the regular ones and the double platinum. Any suggestions on why I can't get the Iridium ones ?
are the way to go but when I went to purchase them from advance auto they said that they don't fit a 2000 trans am. The only ac delco they have that for is the regular ones and the double platinum. Any suggestions on why I can't get the Iridium ones ?
Joined: Aug 2007
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From: Turnin' Wrenches Infractions: 005
If you want simple maintenance free just tell them you want the OEM equivalent which is platinum. Personally I still prefer copper tip plugs though I haven't come up with a concrete reason why other then they are cheap and I like changing plugs!
Correct.
The problem is that they are only seeing what the computer tells them. GM went to iridium plugs in the mid-2000's. They subsequently updated all service recommendations from platinum to iridium on all LS-powered vehicles.
HOWEVER
They recently (May 2013) posted yet another update that 2006 and older that were to have upgraded to iridium (from their OE platinum) are to no longer go with the iridium; rather, they are to go with the double platinum 41-962. SOURCE
Confused?
I personally installed the 41-110 iridiums without any issue. Of course, that was before the new bulletin came out.
The problem is that they are only seeing what the computer tells them. GM went to iridium plugs in the mid-2000's. They subsequently updated all service recommendations from platinum to iridium on all LS-powered vehicles.
HOWEVER
They recently (May 2013) posted yet another update that 2006 and older that were to have upgraded to iridium (from their OE platinum) are to no longer go with the iridium; rather, they are to go with the double platinum 41-962. SOURCE
Confused?
I personally installed the 41-110 iridiums without any issue. Of course, that was before the new bulletin came out. when i changed to 243 heads my plugs changed. (now 2002 vette) i've always liked bosch. i dont know if you can still get them but i picked up bosch fusion (combo plat & irid). in may 2004 ls1 dos & donts they recommended ngk's (a cooler plug). goodluck!
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more likely one of them got cracked during install, personally I have never seen a car just start running like crap with fresh plugs unless something was damaged on the plug or wire
shhh... 
) that ran like crap with brand new Bosch plugs (not even the +4; just the platinums). I switched to Motorcraft and it purred like a kitten (pun intended). 
ya i got a set of the tr55 im putting in when i do my headers ive heard a bunch of good stuff about them,oh well u could prob sell the others here as long as there not damaged,lol