Raymondo2013
Recruit
- Joined
- Jun 10, 2013
- Messages
- 3
Hello All,
I have bought a used 1996 Wellcraft 21 SL with a carbureted 4.3 GS Volvo Penta. Boat runs well and starts every time. According to the tachometer on the dash my WOT is 3400 rpm. The manuals say it should be at least 1000 more rpm. I have checked the engine serial numbers, transom plate and leg to ensure they all match. Conventional wisdom seems to be the boat has the incorrect prop (currently has a E4X14.5X17R). Before I started to spend more money I wanted to find out the best way to establish the exact engine rpm. I bought a automotive millimeter at HFT with an inductive pickup but sadly it turned out to be rubbish. Tried to hook the meter directly to the coil but I was unable to find detailed instruction anywhere. Like most folks I am trying to do this without spending more than I need to. I would welcome any thoughts or ideas so I can get the engine performing properly.
Thanks in advance.
Ray
I have bought a used 1996 Wellcraft 21 SL with a carbureted 4.3 GS Volvo Penta. Boat runs well and starts every time. According to the tachometer on the dash my WOT is 3400 rpm. The manuals say it should be at least 1000 more rpm. I have checked the engine serial numbers, transom plate and leg to ensure they all match. Conventional wisdom seems to be the boat has the incorrect prop (currently has a E4X14.5X17R). Before I started to spend more money I wanted to find out the best way to establish the exact engine rpm. I bought a automotive millimeter at HFT with an inductive pickup but sadly it turned out to be rubbish. Tried to hook the meter directly to the coil but I was unable to find detailed instruction anywhere. Like most folks I am trying to do this without spending more than I need to. I would welcome any thoughts or ideas so I can get the engine performing properly.
Thanks in advance.
Ray
