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In light of previous thread, Looking to keep my slightly modified base 07 C6 A6 w/Z06 diff, cooler...
Spirited DD in hot So.FL. Plan to track in the future tho.
I can't remember tho... Thought I heard there is an internal TOC in the base's radiator?
I know RSD makes a radiator with an EOC & TOC but I heard the coolant isn't as efficient and an external EOC like the Z06s eng oil cooler mounted externally is preferred
AFAIK, any C6 with the auto tranny will have a tranny cooler in the radiator. Most people who want more cooling will add a B&M stacked plate cooler or some other good brand, in series with the stock radiator cooler, after the fluid leave the radiator. But I don't recall which line goes in and which line comes out.
Try to avoid cutting any lines, use hoses/clamps or appropriate fittings.
The Z06 engine oil cooler is easy to install and generally does a good job.