Are you planning on any additional tinkering?Part 2 (the final part) is out:
Are you planning on keeping it N/A or going Turbo at some point?
I might have something you may wanna try;
…an intake and aftermarket off-road air filter.
My L2501 was struggling to go up my big hill in anything but L gear. I’m pretty impatient, so continuing to use L gear was going to be a chore. I wanted to do something about it. I had read (earlier in this thread) about the factory intake being restrictive so I decided to use some scrap aluminum and make a simple intake. Well, after installing the intake, I can go up my steep hill in M gear…with heavy load. So, there definitely was an improvement, it’s just hard to define the improvement without further testing.
The only negative result of the intake installation is noise. The engine is much louder.
It’s not too bad but, I’m wearing earbuds when I’m operating the tractor. Also, there hasn’t been any significant increase in dirt or film in the intake manifold.
Since you’ve already increased the timing and added fuel, this might be a great modification for your tractor!
I’m definitely going Turbo but, I still need to install and log EGT’s and find a local shop with a PTO dyno.