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Dan Fahey · 04-21-2018, 11:34 PM

Still trying to figure out the best gear ratio.
Using 4.56s with a 4L60E trans.
Not using the locking converter now.
Looking at 5.38’s and locking it up in high gear.
I can program that in the PCM...

Hope to get close to the K/SA index with current cam.

04-21-2018, 11:34 PM	#14
Dan Fahey VIP Member Join Date: Oct 2008 Posts: 2,114 Likes: 1,078 Liked 180 Times in 110 Posts	Re: 12 Bolt vs 10 Bolt Rear Still trying to figure out the best gear ratio. Using 4.56s with a 4L60E trans. Not using the locking converter now. Looking at 5.38’s and locking it up in high gear. I can program that in the PCM... Hope to get close to the K/SA index with current cam.