It never hurts to have the trans cooler. The one you have is good since it is part of GM's trailer package if it came on your truck. The standard B&M is just an aftermarket equal to the factory one.
It never hurts to have the trans cooler. The one you have is good since it is part of GM's trailer package if it came on your truck. The standard B&M is just an aftermarket equal to the factory one.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709