Phils
Platinum Member
Ok, I've installed an electric fan to help cool the exhaust manifold and gas tank area. Hopefully this will finally and completely eliminate vaporlock problems, including running hot because of the lean condition. Might stop the "pop" or run-on when shutting down as both those problems are a consequence of the lean hot running condition.
I put a toggle switch with a condom on the rear of the engine cover/cage. On the dash would be more convenient but would necessitate a relay and much more wiring (as per Woodlandfarm's suggestion). This was easy and quick and has the shortest run to 12V at the starter solanoid. The fan is a Hayden 10" and fit perfectly. My cost was $70 for the fan, but with a fuseholder, switch, and switch condom the bill was about $80.
Also, although I have to dismount to turn it on or off, I'll only turn it on when it's a situation where I'll be working the machine hard for long periods with the PTO (mowing, stump grinding).
It'll be a few weeks until I will know if this solves the problems completely and will post in this thread when I feel the problem is solved completely.
Phil
I put a toggle switch with a condom on the rear of the engine cover/cage. On the dash would be more convenient but would necessitate a relay and much more wiring (as per Woodlandfarm's suggestion). This was easy and quick and has the shortest run to 12V at the starter solanoid. The fan is a Hayden 10" and fit perfectly. My cost was $70 for the fan, but with a fuseholder, switch, and switch condom the bill was about $80.
Also, although I have to dismount to turn it on or off, I'll only turn it on when it's a situation where I'll be working the machine hard for long periods with the PTO (mowing, stump grinding).
It'll be a few weeks until I will know if this solves the problems completely and will post in this thread when I feel the problem is solved completely.
Phil