Z1 Motorsports: GTM TT kit on 7spd auto 456rwhp at 7psi

John@Z1 · 11-09-2010, 08:26 AM

Quote:

Originally Posted by docaam

Very nice install and good results. If you don't mind could you explain about the tranny tune and limp mode. What are the upgrades you guys used for the tranny apart from a oil cooler?

We had to install a vented hood, open the front fascia more, install a top dawg tranny cooler with a fan and tune the tranny for more line pressure in higher gears. It was going into limp mode after the tranny would get really warm with the extra heat produced from the cars extra power.

After a couple of hours of drive time the tranny would just shut down. Pull over shut the car off for 15 seconds and you could drive again. This was very annoying. And that is where the tranny tuning came into play. We installed the vented hood at the same time.

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