TR6!
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TR6 would be overkill to the max.
Hotter plugs.
no ****, eh?
i'm also debating just buying the TR5IX (iridiums, pre-gapped at .040") so i don't have to change them as often. i can't say i'm ever gonna run this car super, super hard anyway. that's not what it's meant for.
Tr6'Sorry are far from over kill, especially on higher compression LS motors. TR6 is a great all year all around plug that wont affect any aspect of drive ability and allow for more timing to be added when itS tune time..
Same plug I run and a **** load of others..
Last edited by 91parkave; 08-20-2014 at 09:14 AM. Reason: spelling, grammar
i don't think the TR6 are necessary for any kind of stock heads/cam setup at all. that being said, you want to run the hottest spark possible without causing detonation and i don't see how running a colder plug would benefit me on a basically stock car. it wouldn't make any sense that i'd be able to run more timing just because of a set of spark plugs at this stage in the game.
ACD
41-110.
Don't be a follower.
You realize ac delco plugs are made by ngk ...
And to other point your factory heat range isn't always best..I fully understand have the hottest plug you can get away with. And ultimately its on you to decipher through the interwebz from people who had both plugs and review the data. Remember these are still projected tipped plugs. I could understand something like br7ef plugs being too cold for your mods.
Still a longevity thing...With me being sideways stupidity...I'd rather not change the plugs often...unlike the 3800 that took me all of ten minutes, or your V that probably has ignorant amounts of engine bay room...especially would be a cake walk with the manifolds out.
Go with whatever, it's your car...I'm not trying to steer you one way or the other just stating what I've seen that's common or what has been proven to work. I'd venture to think upgrading the wires would make more of a difference than NGK this or ACD that...but that's me.
As for specific price, I never looked at the TR55's, as I only ever ran AL's in the GTP. I know the 41-110's run on average about $6~ a plug.
It'd have more room if you wouldn't keep all those drunk babies hanging around.
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