Thread: CT's RXPX Turbo Conversion
02-16-2009, 06:53 PM #1
CT's RXPX Turbo Conversion
So far I have about two full days worth of work into it. I started by pulling out the stock exhaust, charger and Intercooler and all those darn hoses.
I then relocated the IC by using the stock X IC bracket to make my new one. Basically I drilled the rivets out to separate the top portion from the back bottom bracket. I mounted bottom plate like a riva set up making an extension so the bottom bolt would reach the far side of the bracket. I then aligned the top plate with the intercooler attached, marked it, and riveted (with the IC out) in place. A little hard to see but hopefully the pics tell the story.
Im also using the front portion (that holds the VTS in place) of the bracket to mount the groco. It works out that you can clean the filter with seat on in this location and seems to be an OK spot.
02-16-2009, 07:02 PM #2
02-16-2009, 07:07 PM #3
02-16-2009, 07:11 PM #4
I spent yesterday removing mine and helping Chis0060 drive shaft. Both of us went with the SMW pump extension.. BTW Nice kit.
I will say this, if your not familiar with the c-clip, it can be quite a PIA finding it and getting out for the first time. I spent a decent amount of time just figuring out where the actual clip was even with the schematic. Once I found it I was coached a little bit by addicted and while his advice was a big help, it still sucked. LOL oh well, you live you learn. The second time around on Chris's rxp was much, much easier. IF you don't have the c-clip tool, a "tuning fork" (used to pull a pressed bearing of an axle) and a 2X4 work pretty darn well.
My ski has 30 hours and the alignment was off about 1/4 of inch. Chris's ski (07 Rxp) was off by about 1/2 inch. Both motors had to be "pushed" to the right.
Attached is a few pics of the my blow off valve set up on the back of the ski. The second shows the port for the gauge.
02-16-2009, 07:18 PM #5
I also tapped my exhaust today for an egt sender and gauge.
egt sensor is 1/8npt, so i picked up the tap over at my local "Rocky's" hardware store. I drilled a 5/16th hole and then tapped it. I was amazed how easy the exhaust manifold came off, and even more amazed how light it was... I definitely expected just a bit more weight.
You can see where I mounted the gauge, both gauges are Autometer, boost and EGT. Both use the same Autometer universal pod.. I used a metal screw to mount the pods.
02-16-2009, 07:28 PM #6
Spent the rest of today gettin the plumbing in order. figuring out where stuff is going to run to. A little undecided on whether or not to have the coolant lines to the turbo go "in loop" or just run raw water.
I am going to tinker with an inline 3" marine muffler. Originally used for a thru hull exhaust on a V8 so we'll see... I'm also using a 45 degree turn down tip that Hydro sells.. Hopefully if all goes well this ski will be as loud as the riva thru hull on a stock water box, i guess we'll see.
Going to thermal coat the exhaust housing and make a support. While the clamp at the exhaust manifold seems to be able to handle the weight the turbo is considerably heavier than a SC and would rather play it safe. I would hate like heck to jump a decent wave and have it snap. D'oh!
I do have my cold plumbing cut and sized. I am having flange welded in for a turbosmart Vee Port BOV and a 1/8npt bung for a PSI port for the Boost controller.
I guess thats it for now..
02-16-2009, 07:46 PM #7
Looks good! The C-clip is a lot harder on the X in my opinion because the pump tunnel is longer and there is less room between it and the motor.
What kind of speeds are you looking for? You will be fine any where around 80, that has been my experience.
02-16-2009, 08:13 PM #8
Looks great man. Cant wait to see it all together.i know that feeling.wait till you hit boost.
02-16-2009, 08:15 PM #9
CT, Is that Groco mounted horizontally? Will the water and trash dump in the hull when unscrewed, or do you have a trick? --jeremy
02-16-2009, 09:02 PM #10
I'm just curious what kind of speed you're shooting for? The RXP-X doesn't seem like a good (read safe) candidate for a turbo setup. Be careful bro. We don't want anymore greenhulk brothers getting thrown.
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