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08-28-2010
well i just did a 3.6 pulley setup on my 05 gtp. and i ran autolite 104's well they are 2 weeks old ant 4 of them took a **** today. 3 of them the while insulator part spins. and another one cracked down the middle. these are probably the worst cheapest made plugs ive ever seen. im gettin NGK.
08-28-2010
Are you really that sure that a trusted brand of spark plugs has a 50% failure rate after a few weeks. I’ll bet the hundreds of people on this forum that use AL plugs will run out and change now that you have discovered this problem!
Wake up and smell the motor oil. Either you installed them to tight, and/or you have detonation.
08-28-2010
Cracked down the middle is a sign of detonation unless your referring to the part the boot goes onto. If that parts cracked it was probably install error.
http://www.streetfire.net/video/2001...ynp_208097.htm
08-28-2010
Originally Posted by cerick08GP
Are you really that sure that a trusted brand of spark plugs has a 50% failure rate after a few weeks. I’ll bet the hundreds of people on this forum that use AL plugs will run out and change now that you have discovered this problem!
Wake up and smell the motor oil. Either you installed them to tight, and/or you have detonation.
X2 I've been running them for quite some time and NEVER had a issue with them breaking. Would also help if put antiseize of them and go ahead and fork out the money for NGK i'll stick with AL
08-28-2010
Have you scanned for knock? Oh boyz
08-28-2010
I've been running ALs for a couple of years as well and haven't had any problems. You have supporting mods?
Originally Posted by TLSheff
08-28-2010
This thread is awesome.
People at work thought I was crazy putting 104's in my GP.
To them, nothing but delco can go in a GM.
08-28-2010
yes i ahve supporting mods. i have 1* of knock. we couldn't get it any better. and NGK was the exact same price at autozone.
08-28-2010
My 04 hated NGK's. Never ran quite right. I had TR6's in there. Switched to Al104's and much better.
08-28-2010
Ummm, 0* is better.
08-28-2010
Which ones? Since you have some knock you need to go back up in pulley size.
Originally Posted by TLSheff
08-28-2010
Plugs tell the tail of knock, they are more accurate then sensors
http://www.streetfire.net/video/2001...ynp_208097.htm
08-29-2010
i have tr6's and they have run awesome. took them on a nice long trip today.
08-29-2010
Way to go using a plug way too cold for your setup.
Just sayin.
08-29-2010
When people ASK for colder plugs I generally ask why... And then its all "so and so said so"
08-30-2010
they are the same heat range as 104's.
08-30-2010
I'm also a bit confused about it:
AL606 stock heat range
AL605 1 range colder
AL104 2 range colder
TR55 1 range colder
TR6 2 range colder
Is that right? I took it from the safely modding sticky, but not really sure about the TRs
08-30-2010
yea thats what i went by too. i think alot of ppl have and it is proly misleading
08-30-2010
I run TR6s (gapped to .055) as well..... are they too cold for my 3.4 setup?
08-31-2010
I find the tr6's to be too cold for my top swap.
Going to try 104's next.
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