Just wanted to keep you guys in the loop about what has been done so far. I've contacted Jack at Marine Performance per Jim Lee, and yes Jim...
First off, let me start by saying that there is no need to apologize for your English. I can promise you that your English is far better than my...
Speedboats, What you are describeing is what is happening in my inlet according to my lazer. None of the stream pipe flow ever seems to get...
OK Baeckmo, I have read your post, and the more I read it, the more eye opening the problem becomes. Much of this is hard reading, but I am...
Strickly low tech and not entirely accurate....but you get the point. To find the angle, I used a digital angle finder. The venturi (most...
In the word of an impeller manufactuer: "pitch does not apply to a PWC impeller the way it does a boat propeller. Where the pitch on a boat prop...
Baeckmo, here is some of the information that you requested. I know that your technospeak is different from the PWC world, so at times I will be...
If it is a 2002 model, then it is a GP1200R . The GP1200 is an older model that is very different from the 1200R. There is a "stock" catalytic...
[IMG] [IMG] [IMG] [IMG] [IMG] [IMG] Here are some of the basic pictures of my pump assembly, the intake which is molded...
LOL! This begs the question, is he a ******* by birth, or just another self made man?
It is pretty much a black art with boats of the smaller variety as well. From my perspective, it is more a matter of eliminating those things...
I understand Joakim's point of view. Seems the more horsepower we throw at these boats, the more inefficient they get. Something that you...
www.greenhulk.net He has not posted recently, but when he does it is in the Yamaha 2 stroke section.
I have read that some have reported spikes in pressure. What I do not understand with this mod is that it is installed on the wear ring of the...
The fellow with a 106mph pwc is a forum member with me. He managed to get his boat from 62 to 75mph in a matter of months as compared to years...
