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Thread: Rxp-X speeds and mods, database
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06-17-2008, 09:58 AM #1
Rxp-X speeds and mods, database
HI guys, I would like to gather info on the X's. Can you post similiar to the stickied mods and speeds database thread. Just looking to keep it to the X series, rxp and rxt. Maybe share a little of whats worked and what hasnt and see if we can gather some useful data on these skis. Eventually i would like to enter it into a excel spreadsheet.
FYI( i stole from mike,thx):
GPS speed @ rpm, Screen name, year/model, Stage X.X+/-, rider weight, L temp , air temp, Altitude, bars of fuel, air intake, supercharger (boost), intercooler, prop, exhaust mod's, nozzle size, hull mod's (grate, NOPAS, wedge, etc.), injection mod's (ECM, injectors, etc.), engine mod's, free mod's.
77.0@ 8040 RPMS,shrnorlin,Riva stage 1 kit with RD Grate, Manifold upgrade, 82mm reduction nozzle.
76.1 on GPS,powertek, with Riva Stage 1 15/22 and now 15/19.5 with 4" intake with Dual exhaust. Water temp 75 and air temp 75 and driver weight 175lbs.
75.4 @ 8160 rpm's,hydrojunkie,15/22 untouched , rear 3'' air intake, relocated intercooler with re routed cooling. gibson with jpipe, r d intake grate. 2.5 wedge, reverse buc mod
75.0 at 8040 RPM, Franko, in the heat/humidity of Morgan City on the radar gun - 15/22 untouched, stock nozzle, 4" air intake, R&D intake grate, ride plate holes filled.
75.0@8060, ctriverguy, 08/rxpx, stage 1, 250lbs, L temp 68, air temp 78, Alt?, 1 bar in alarm, 4" front, stock charger, stock IC, 15/22r, free flow, 83mm nozzle( stock rxp), riva grate, RE blockoffs, stock ecu, no free mods yet.
73.9 best @ 8040, reid the steid, with a 15/22 untouched and Riva grate!
73.5 mph @ 8060-8080 rpm, ba6636, (1/3 fuel in summer heat) w/ Riva Wedge, Riva 3" air, R&D grate, ride plate holes filled, pump shoe drilled
73.2 mph @ 8040-60,tundra jim, R&D Grate, 2 degree wedge, Solas 15/22 prop, K&N filter replacing stock plenum cover, rider 6'1 185, air temp 85, water temp 88-89. altitude is within 30ft of sealevel.
73.1 @ 8040,antiguan rxp, Riva Power Filter, Riva Intake Grate, Flame Arrestor removed & Ride Plate holes filled.
72.9 @ 8160 RPM, MPower, 08 RXP-X, 155lbs, Lake temp - 70, Air temp - 80, Alt - 200ft, 3/4 tank, wings cut off stock intake grate, reverse bucket cut.Last edited by ctriverguy; 06-17-2008 at 09:53 PM.
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06-17-2008, 10:24 AM #2
72.9 @ 8160 RPM, MPower, 08 RXP-X, 155lbs, Lake temp - 70, Air temp - 80, Alt - 200ft, 3/4 tank, wings cut off stock intake grate, reverse bucket cut.
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06-17-2008, 11:08 AM #3
73.1 @ 8040 Riva Power Filter, Riva Intake Grate, Flame Arrestor removed & Ride Plate holes filled.
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06-17-2008, 11:20 AM #4
73.2 mph @ 8040-60, R&D Grate, 2 degree wedge, Solas 15/22 prop, K&N filter replacing stock plenum cover, rider 6'1 185, air temp 85, water temp 88-89. altitude is within 30ft of sealevel.
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06-17-2008, 11:46 AM #5
- Join Date
- Sep 2007
- Posts
- 292
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06-17-2008, 01:24 PM #6
I saw absolutely no gain at all by replacing factory air intake flange w/ the filter kit... and I did several back to back tests w/ GPS.
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06-17-2008, 01:28 PM #7
Average of 73.5 mph @ 8060-8080 rpm (1/3 fuel in summer heat) w/ Riva Wedge, Riva 3" air, R&D grate, ride plate holes filled, pump shoe drilled.
75.5 @ 7980-8000 w/ addition of Riva reduction nozzle w/ 82mm ring. (but acceleration was degraded too much for my liking).
I had posted better numbers before the heat came.
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06-17-2008, 01:31 PM #8
Damn not a place for us T-X guys to post.
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06-17-2008, 01:35 PM #9
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06-17-2008, 02:28 PM #10
- Join Date
- Sep 2007
- Location
- Lexington, Ky
- Posts
- 1,655
I keep seeing people post 8160 type rpm's what is the rev limiter on the P-X? I thought it was 8100? Mine is bone stock at the moment, hits 68-69ish at around 8060. Oh yeah, I'm 155lbs 85deg air, 75deg water, saw 10.5psi on the boost gauge, altitude no idea.
Free MODS:
no front bucket
exhaust baffle deleted (waterbox out hose to exhaust tip)
custom intake (took rear 4inch air tube piped to nose of ski with 3" stock elbow to 3" alum pipe into 4" tube in nose" haha! Yes its ghetto, I know.
trimmed reverse bucket lip.
Uninstalled Mods:
R&D intake grate
15/22 prop
adjustable venturi nozzleLast edited by boostaholic; 06-17-2008 at 08:43 PM.
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