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- Mon Feb 01, 2021 11:30 am
- Forum: General Motors
- Topic: How Far can the Lean Cruse be tuned??
- Replies: 0
- Views: 3031
How Far can the Lean Cruse be tuned??
I am building a special low/medium RPM 383 for a Star Craft 93 Custom G20 Van: the goal is for a high MPG engine able to pull a van at 75/80MPH at 1500/1800RPMs and product 20MPG +. After much research I will be running a 87 TPI intake and was going to buy a Dynamic EFI add on board BUT it will not ...