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Type: Posts; User: FXSlowKroozer

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  1. Replies
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    Your recreational Pump gas 20psi Charger setup...

    Your recreational Pump gas 20psi Charger setup doing 91mph will be 94 to 95mph with a Turbo at the same boost.The bigger the wheel you drop in the OEM style Charger the more load it puts on the motor...
  2. The newer valve covers come etch coated from...

    The newer valve covers come etch coated from Yamaha to prevent corrosion.You can strip them and polish them out but its going to rust in no time.We have stripped and hydrodipped them in Carbon fiber...
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    Nothing special about the SVHO supercharger just...

    Nothing special about the SVHO supercharger just small design improvements and the wheel.You could put a 11.5 ET wheel in your SHO Supercharger and accomplish the same thing
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    Dean's Team 10,500 E85

    Dean's Team 10,500 E85
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    Basic boltons and intercooler work fine with the...

    Basic boltons and intercooler work fine with the stock tune but its going to limit your top speed because you cant let the engine rev out so you will need to repitch your prop to keep you under the...
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    For NA skis these seem to be of some benefit but...

    For NA skis these seem to be of some benefit but with a forced induction ski I would not bother.The extra leverage on the throttle makes higher powered skis alot harder to control.I tried one and...
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    View Post

    “ Typically “ 83mm to 85mm add 100rpms and a little more speed.FX nozzles are 87mm and 150-200rpms but you dont go any faster or start slowing down a little.These are just some generalizations and...
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    2014 and later FZR SVHO nozzles are a 85mm...

    2014 and later FZR SVHO nozzles are a 85mm 3degree and pre-SVHO FZR nozzles is 83mm 5 degree
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    This is good info and what we usually see in the...

    This is good info and what we usually see in the real world.There is a point an impeller is depitched so far its essentially just slipping through the water having you turn more rpms but not giving...
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    You are complicating things more than they need...

    You are complicating things more than they need to be.Simply put all the nozzles back to stock then only repitch the prop to an 18 degree and thats it.As already mentioned earlier you would not want...
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    I think you pretty much answered your own...

    I think you pretty much answered your own questions.A 16 degree pitch with a small nozzle is not moving as much water volume and can feel lazy on the bottom end.If you add a tail cone on that setup...
  12. I would listen to Fizzle on this one.Riva grates...

    I would listen to Fizzle on this one.Riva grates are generally more of a rough water / closed course design and every boat I have personally ran one on scooped up too much water and overstuffed once...
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    The skis I have are a 2011 and a 2016 both of...

    The skis I have are a 2011 and a 2016 both of which have alot more drag.You could have more motor spinning a larger prop to higher rpms but if the surface tension from the hull design is higher than...
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    30 lb, Cams, Ethanol, and Compression.Older hulls...

    30 lb, Cams, Ethanol, and Compression.Older hulls have alot more surface tension and need alot more motor to run your same kind of speeds.What I meant was actually the opposite of what I think you...
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    A ski going this speed in 80's air and Florida...

    A ski going this speed in 80's air and Florida humidity is a solid 95 mph ski in dry winters air.We have an old style FX with alot more motor running similar speeds but it has to turn a 13/20 through...
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    I really think the extra speed is mainly in the...

    I really think the extra speed is mainly in the hull design.Unlike previous FX's the V the new one is much shallower and there are lifting strakes next to the grate which keep the rear of the ski...
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    Congrats.That new style hull is really smoking...

    Congrats.That new style hull is really smoking fast compared to the old stuff and by a wide margin
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    Dean is a very busy guy and in my experience...

    Dean is a very busy guy and in my experience trying to get anything custom tailored from him is a problem for anyone other than a close friend.Usually hes pretty good with the standard turn key type...
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    You might pick up 1.5 mph.You can run stock...

    You might pick up 1.5 mph.You can run stock bottom end with bigger wheels just need better fuel.
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    Rideplate mods are always a must do especially on...

    Rideplate mods are always a must do especially on big skis like the FX.Gets the nose up of the ski out of the water and atleast a 2mph speed increase without having to touch the motor at all.When you...
  21. Similar testing was done years ago with and...

    Similar testing was done years ago with and without filters, velocity stacks, air scoops, different size elbows, etc and the results where always the same.The further away you got the intake end from...
  22. Thank you for sharing.Unfortunately we use to run...

    Thank you for sharing.Unfortunately we use to run similar short ram intakes many years ago and its not even close in comparison.Both of the setups I previously mentioned outperform it by 200 to 250...
  23. Front Storage Intake Vs Side Cowl Intake

    Anybody tested a front storage intake setup versus a side cowling in the same conditions BOTH without air filters ? I have a feeling the front compartment intake would turn more rpms but I would...
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    FS - Parts TTT

    TTT
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    That transom looks like it was sealed...

    That transom looks like it was sealed correctly.They use to leave a huge gap in the old skis but that hasnt been the case for a bit.That stuff is a nightmare to get off completely and if you just...
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