Well when I cruise on the interstate it drives well. But I'm getting terrible mpg. Around 9-11 mpg. My engine is the LS 376/525 with the ASA cam shaft. I also have a 110. Is yours a 90 or 110 and is it the stock LS3 with 430 hp? Did u tune it after install?
Here is a video clip of the idle of the cammed LS3.
<iframe width="560" height="315" src="https://www.youtube.com/embed/hPd4F_Q96IY" frameborder="0" allowfullscreen></iframe>
The engine is a LS3 376/525 with AMA cam shaft. Has a very aggressive throaty lob at idle. Sounds great while accelerating. Drives very smooth on the interstate at 75 with minimal noise in the interior due to the 6 speed. Terrible mpg so far but not the point. Tophat is going to add an accessory...
Engine swap is in progress. Hopefully first test drive in the next few weeks and final delivery by the end of next. The truck is unbelievable in person. Way better than I ever could have imagined.
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