Cmiller7609
Recruit
- Joined
- May 31, 2020
- Messages
- 2
I have an 1985 3.0 SN A310892 that had the outdrive replaced with a pre alpha drive and it has the 1.81:1 gear ratio and I'm having troubles getting about 2,000 rpm at WOT. My question is does the 140hp 3.0 need the 1.98:1 gear ratio to achieve the 4600 rpm? I wouldn't think that the 1.81:1 would make that much of a difference? And I have done a compression test and all 4 cylinders are 120 to 125psi not the best but ok. Any help would be great thank you!