How-To Video: Swap your SHO intercooler to SVHO

[Matt J]

Got the Y fittings en route so all will be sorted before the weekend.

Can you point me to what Y fitting you bought?

 

[haknslash]

Can you point me to what Y fitting you bought?

You can find them cheaper on Amazon or ebay but I got mine from McMaster Carr. http://www.mcmaster.com/#5463k727/=149kabl. Comes in a pack of 10.

I also got a sample of a reducing Y fitting that goes from 5/8" down to two 1/2" barbs. My thinking is I may run a larger 5/8" ID hose to the single pisser rather than two 1/2" hoses in the future. We'll see but here is the fitting for that http://www.mcmaster.com/#5463k742/=14aj6do

 

[haknslash]

Got the Y fitting installed. I feel better now about the flow of water and no sharp kinks. I ran the boat off the hose and the intercooler posset outlet feels much cooler than the second engine pisser outlet. Granted there's no boost at idle but water is still flowing thru the system and being cooled so that's pretty promising from the get-go compared to stock where both would feel warm after a while on the hose. Can't wait to test the boat Sunday!

 

[DBamaC]

I got my y's today. I'll probably install in the morning. unfortunately I probably won't make it to the lake for testing this weekend. If I do, I'll send you a message @haknslash.

 

[haknslash]

I got my y's today. I'll probably install in the morning. unfortunately I probably won't make it to the lake for testing this weekend. If I do, I'll send you a message @haknslash.

Sounds good buddy just let me know. I'm going tomorrow morning, probably just to Mitchell.

 

[robert843]

So how was the difference @haknslash

 

[haknslash]

So how was the difference @haknslash

It (heat soak) was better but not completely gone. Overall the boat felt a little snappier too and I was able to hold higher MPH and RPM than on stock IC. Potential is there. I have video too but need to compile and edit it.

Here's what I wrote in the SX 192 mod thread from my first time out testing the new IC:

"So took the boat out for some testing today with the SVHO intercooler. Water temp was 90 and air temp was 94. Right off the trailer I hit 7600 or a hair more and 49 MPH with Bimini stowed. Boat felt like it had more power but could be butt dyno but it did feel a little stronger thru he RPM range. After about 15 minutes or so my RPM dropped to around 7300 but I was able to keep about 47-48 MPH. Then as cruising I felt a drop in power so I slowed down and opened the engine hatch to find my clamp for the upper charge pipe had come loose from where it goes near the supercharger. Working on a hot ass motor on the water is NOT fun!! Went back to boat dock so I could work on it better and tighten down the clamp.

After that a friend of mine came to ride with me on the lake so we headed out and I got it up to 7300 RPM and 45-47 MPH going upstream against the current with Bimini deployed. Turned around at top of river and headed downstream with current and I hit 7300-7400 at 48 MPH.

SVHO intercooler definitely helps keep the temps down as my pisser was not really warm at all compared to the hot engine pisser. It helped me have a higher top speed even with same RPM's as stock intercooler. Feels a little stronger too. I think my next mod will be ribbon delete and that should get me 200-300 more RPM so that should put me at 7500 consistently all day. So to summarize, there is still some heat soak but nowhere like before. Good mod for those wanting better cooling, performance and a stock look."

 

[Matt J]

Thanks for the detailed write up... Sounds like it's a no brainer for the cost of a used SVHO IC.

 

[skbishop90]

Nice video. I want to do this and the ribbon delete.

 

[Matt J]

Look what showed up today from the UPS man.... Just have to go get some 1/2 inch hose, etc, before I start the swap out.......

 

[haknslash]

Nice! What's the thing hanging off the back zip-tied? Looks like a bracket but you won't need that.

 

[Matt J]

yea, he even gave me the upper and lower hoses......

 

[haknslash]

Went out to the lake for some more top speed runs today. Weather was a nice 84 degrees and water temp was 86. Top speed all day was 48-49 MPH (indicated) and RPM's stayed at 7500. No heat soak issues. I took video of the runs and we also did some drag races with an SX240 with ribbon delete. He ran 54 MPG (GPS) today! Uploading the video now.

Next mod is ribbon delete!

 

[haknslash]

Here's the video:

 

[WildBillF1]

Purchased my intercooler from a seller on Greenhulk, it arrived on Saturday. Stopped by McMaster Carr today for wye tube fitting, hose and hose clamps. Swap out and testing on tap for this coming weekend.

 

[360dart]

SamCF and myself did these mods and posted good pics and updates on the mods over a year and a half ago. Check it out under "192MODS".... RUN TWO PISSERS. Don't be scared to make a hole and run another line. There's 2 outlets there for a reason. Use em. I've managed to get 53-54mph out of my 2014 SX192 under cool weather... Read bout it. Cool pics, part numbers, and tips...

 

[Dcolesx192]

https://m.facebook.com/story.php?story_fbid=672167202951236&id=100004738867506

This is my stock 2015 SX192 on Joe pool yesterday. Top speed read 53 and stayed in the 50s for over an hour until I went home. Temps were in low 70s. Extreme texas temps and a fully loaded boat drops me to low 40s.

 

[webslinger1977]

SamCF and myself did these mods and posted good pics and updates on the mods over a year and a half ago. Check it out under "192MODS".... RUN TWO PISSERS. Don't be scared to make a hole and run another line. There's 2 outlets there for a reason. Use em. I've managed to get 53-54mph out of my 2014 SX192 under cool weather... Read bout it. Cool pics, part numbers, and tips...

Where's the best place to pick up an extra outlet?

 

[WildBillF1]

Where's the best place to pick up an extra outlet?

http://www.yamahasportsplaza.com/oemparts/c/yamaha_sport_boat/parts

 

[BakedZiti]

Ok guys got a question, anyone using the mcmaster wye fittings. I noticed that existing line had a loose fit with that 1/2in wye, anyone else?