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tr5 vs tr6

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Old 02-04-2013, 05:17 PM
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Default tr5 vs tr6

ok, for starters i know the tr6 is more commonly recommended in the ls1 but what are the advantages / disadvantages or each plug?

from what i've gathered the tr6 is the plug to go with in my car, it has full exhaust from longtubes, catted y pipe with hi flow cats, and a magnaflow catback, a k&n intake, granatelli MAf, and a cam which i unfortunately don't know the specs on (came in the car when i bought it, i'd guess somehere around the specs of a tsp 228r, maybe a lil bigger but like i said just a guess)


like i said tho i was just wondering the difference between the two, other than heat range which is obvious lol.

i also dont currently plan on running nitrous at any point, and boost isn't in the picture, i wanna keep this all motor.
Old 02-05-2013, 03:39 AM
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Just the heat range. NGK recommends one heat range cooler for each additional 100 hp. Download their catalog, it explains their part numbers. For example, TR5 and TR55 are the same except the TR55 has the larger gap.
Old 02-05-2013, 11:04 AM
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Can't go wrong with TR6 in any application. It is just one heat range colder. The added protection is worth it, especially in hotter temps where your car is more prone to pinging.

You will feel no difference in a TR6 vs TR5.
Old 02-05-2013, 12:55 PM
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Do you think TR6's are ideal for LS2's, considering the high compression ratio?
Old 02-05-2013, 01:39 PM
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Originally Posted by Beatdown Z
Do you think TR6's are ideal for LS2's, considering the high compression ratio?
On a stock tune? Stick with tr5s.

If tuned, tr6's may provide additional protection.
Old 02-05-2013, 04:01 PM
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I like the tr6 plugs.
Old 02-05-2013, 07:23 PM
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Originally Posted by mchicia1
On a stock tune? Stick with tr5s.

If tuned, tr6's may provide additional protection.
Roger that. My buddy's goat is cammed, tuned, lt's, etc... I just put TR55's in it, but now i might swap them for some TR6's and save the TR55's for my stock TBSS...



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