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- Sun Aug 31, 2014 8:17 pm
- Forum: General Motors
- Topic: 454 Big Block Chevy gets 16.3 MPG on the highway :)
- Replies: 0
- Views: 7621
I took my youngest to college (we are now officially empty-nesters), it's a 490 mile round trip. Had to use the truck to bring all the "stuff" for college. So, I figured it would be a good time to do some highway tuning. I leaned the AFR at cruise to 16.5 with no surging and left it there running at...
1988 C1500 454.jpg This is a story of firsts: first EFI, first Mega Squirt, first PCB soldering, first 454. I spent a lot of time with the Mega Manual, searching the forums, asking for advice and getting a lot of responses. For all who responded to my questions, thank you, thank you, thank you! MSI...