I'm very happy with my MotorOps delete tuning on my LML. Have been running for almost 40k miles. Gets 21-22 mpg on the highway with the sport economy tune.
Has anyone used this part to increase line pressure in there LML? Wondering if this plug or BT box would be better. It's for my tuned and deleted 11' LML.
http://www.deviantraceparts.com/mobile/Product.aspx?id=38014
And aftermarket 30 spline axles are not really any stronger than stock axles, except the SCS double splined axles, but for the price of them you mine as well upgrade to 38's and be done with it!
I built my LB7 motor with a LMM block in my pulling truck and have not have any issues yet and am on my 3rd summer pulling with it. It dynoed 1252hp at the wheels about 2 years ago with a Precision 3.0" single turbo and should be up about another 100hp since than. I had also heard the LBZ LMM...