Oldstech
Recruit
- Joined
- Sep 15, 2019
- Messages
- 4
Trying to get the best setup for the boat for what it is. Due to lake restrictions I have this 1989 25 hp long shaft and a 9.9hp long shaft. I have a bare bone Tracker 1860. Being I know the boat is under powered and trying to get rpms up on the 25, I put a 35 hp carb. At WOT with the 35 hp carb, I’m turning 2260 rpm with a 3 blade, cupped, 10 3/8 x 11 pitch prop at 19 mph. I’m been talking to a prop shop, he suggested removing my hydrofoil. Which I did and started cavitating the prop. So I installed a 5 inch jack plate. This stop the cavitating, rpms still in the 2000’s. He wants to decup the prop next. But feel there is some miscommunication with the prop shop and me.
Being the engine is under power for the boat, am I stuck. With a low rpm grunt, or could I really get a prop to put the engine in the right zone. BTW I’m really happy with 19 mph. Didn’t except to go any faster with the setup. I feel like I am killing the engine with this much load at a low rpm.
Being the engine is under power for the boat, am I stuck. With a low rpm grunt, or could I really get a prop to put the engine in the right zone. BTW I’m really happy with 19 mph. Didn’t except to go any faster with the setup. I feel like I am killing the engine with this much load at a low rpm.