06Sierra2

my friend tuned with me last wk and while we were making some wot runs and with the stock cooler the trans temp never got above like 174*. Granted this was in 76* heat but do you guys think there is any need to upgrade the cooler?

8.1 HD

iTrader: (3)

Yes upgrade the cooler, your temps will sky-rocket in higher temps. and stop and go traffic especially with a 3200 converter.

2BFAST

iTrader: (11)

Corvette intermediate servo
Billet 4th apply servo
Double cage 29 element forward sprag
Alto carbon oversized 2/4 power band w/ reinforced anchor
New input drum/housing
Rebestos blue 3/4 clutches and steels
Rebestos blue overrun clutches and Koleen steels
Beast reaction shell
GM front / rear 5 planetary carriers (if you dont already have them)
Thrust bearing kit
Sonnax boost valve
Billet forward accumulator
Billet 1-2 accumulator
EPC Solenoid
Superier valve body shift correction kit
4L65-E overhaul kit(gaskets,seals, ect)
Updated valve body seperator plate
Billet 300mm output shaft
Billet input shaft
Billet input drum sleeve & piston
RPM high-rev spring kit
Longer servo pin then grind tip for clearance
Tru Cool 40k BTU Trans cooler

And im running a billet 3400 TCS converter with this ^^^