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Cooks ZL1 · 09-10-2014, 09:58 AM

I see some are using the tr7ix and some use the tr6. What is the difference I know one is a step colder but how do you know which one to use for you application?

09-10-2014, 09:58 AM	#9
Cooks ZL1 Drives: 13 Camaro ZL1 Join Date: Apr 2014 Location: Maryland Posts: 145	I see some are using the tr7ix and some use the tr6. What is the difference I know one is a step colder but how do you know which one to use for you application?