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TR-6 or TR-55 for a 11.0:1 CR 8.5+DCR NA setup???

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Old 06-06-2011, 11:38 AM
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Default TR-6 or TR-55 for a 11.0:1 CR 8.5+DCR NA setup???

Well i am planning on upping the CR and DCR on my setup to roughly 11:1 and 8.5+ dcr just wondering if it wouod be better to run tr6s all the time
Old 06-06-2011, 11:41 AM
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i run tr-6 and my c/r(s) are the same as u mentioned above
Old 06-06-2011, 11:45 AM
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when i was running 11:1 cr and 8:9:1 dcr, NA i ran the TR55s nitrous i ran the tr6s, with pretty much the same timing on a 100 shot. towards the end i stuck with the tr6s never seemed to make a difference running NA
Old 06-06-2011, 11:48 AM
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Ok so no real harm in running the tr6s just for a little proctection against kr.

Skeet and ryan yall are/were both running larger exhaust and l92 heads so you were able to get that hot exhaust out alot more effieciently than i will be.
Old 06-06-2011, 12:27 PM
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Remember that the TR55 is just a TR5 gapped at .055". The TR6 is factory gapped around .035".

Many people confuse the TR55 as being a half step colder in heat range.
Old 06-06-2011, 12:33 PM
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Originally Posted by 00ChevyScott
Remember that the TR55 is just a TR5 gapped at .055". The TR6 is factory gapped around .035".

Many people confuse the TR55 as being a half step colder in heat range.
Really!? That is news to me, i always thought it was a colder plug...
Old 06-06-2011, 01:18 PM
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Originally Posted by BlackGMC
Really!? That is news to me, i always thought it was a colder plug...
No, the only difference is the factory gap setting. If you're going to be running a .060" gap, go with the TR55. If going for a .040" gap, use a TR5.


The biggest thing that annoys me at work is customers that want "hotter plugs" for their cars. They don't even know what the term means lol.
Old 06-06-2011, 01:54 PM
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It can't be as bad as going to AutoZone and asking for a range colder then stock. After they get done argueing with you that you don't need it, they then play with the mouse for 2 minutes pretending to look, before saying they don't make one. Better know what to ask for... I run Delco's equlivent to the TR6.
Old 06-06-2011, 02:17 PM
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Originally Posted by MPFD
It can't be as bad as going to AutoZone and asking for a range colder then stock. After they get done argueing with you that you don't need it, they then play with the mouse for 2 minutes pretending to look, before saying they don't make one. Better know what to ask for... I run Delco's equlivent to the TR6.
If it's not stock you should come in with a part number IMO. Most people who work at parts stores don't know or care about the products they sell, it's just a job.
Old 06-06-2011, 02:29 PM
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Originally Posted by 00ChevyScott
If it's not stock you should come in with a part number IMO. Most people who work at parts stores don't know or care about the products they sell, it's just a job.

Most of the Zoner's here would have you believe they build Top Fuel dragsters in their off time..


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