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  1. #1

    Join Date
    Aug 2006
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    Gonzales, La
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    4-Tec Speeds and Mod's Database

    Guys, this is the 4-tec speeds and mod's database. The list is in order from fastest to slowest so that people could easily see what it takes to go how fast. It will also make it easy to answer questions like, "how fast can you go on the stock injectors?", "how fast can you go with the stock prop?" etc. . .

    Format should be (AND PLEASE STICK WITH THE FORMAT!):

    GPS speed @ rpm, Screen name, year/model, Stage X.X+/-, rider weight, L temp, E 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.

    96.8 mph @8800+ rpm, Green Hulk, 2001 GPRXP, Stage 3+, rider 230+, L temp 74, e temp 79, altitude sea level, 3/4 tank gas.
    Modifications:
    RXP stock bore engine in 2001 GPR hull. Lower compression 7.5:1 JE pistons.
    Rude Performance "Nilamonster" head with oversized valves.
    4-tecperformance.com open loop cooling system. Custom built intake manifold with built in Vortech intercooler. 82 lb hr injectors and Rude rising rate fuel pressure regulator. Stickems turbo kit. Rotax Racing Igni Power engine management system. R&D 800 intake grate. 87mm R&D nozzle. Jim's Performance FF ride plate. R&D trim tabs. 14/25 Dynafly impeller (soon to change)

    89.00 @ 8500rpms, Hydrotoys, 2000 Yamaha GPRxp, Stage3, 325lbs, 55deg water, no e-deg temp, engine temp-150deg 240ft (corrected altitude, approx 250ft), 3gallons, 91oct, home-made air intake, Rude charger, 14psi, XS intercooler.16/22 Dynafly on a Yamaha 6vien 155mm 2005 pump, TDR waterbox with 3.5” outlet, J-pipe cut below waterholes, R&D Gp800 grate, stock tabs spaced down 1 washer, FF-plate, stepped sponsons, pump pressure relief, R&D autodrop turn nozzle, 85mm nozzle. Riva: Injectors/ECU/SC Stock engine. RR solid front mount.

    88.6 @ 7960, YamahaToys, 06/05 GPRXP, Stage 2+, 190 lbs rider, mid 90s temp, Sea Level, 3-4 bars of fuel, Riva Stage III supercharger (approx 10 psi), XS inter-cooler, 15/21.5 Dynafly, TDR waterbox, free-flow, 85mm nozzle, SS 800 grate, stock tabs, old school Riva plate, stepped sponsons, pump pressure relief, Stock ECU, 42# injectors. No ride plate or tab holes filled.


    88.1 mph @ 8100 rpm, InsanediegoJoe, 2001 gprxp, stage 2+, rider 220 lb, Altitude sea level, 70 deg air, 60 deg water, Rotax Racing wheel, Riva ECU, 50# injectors, 1200 grate, ff plate.

    83.6 @ 7900 rpms RX951 2000 GPRXP All stock 4-tec motor, 3" RIVA intake with K&N filter. 81 degrees, 1/2 tank of gas, MC-1 water box, 87mm nozzle, short pump setup[no 2" extension], SS grate, 14/21.5 dynafly, plastic pump liner, 1.028 ride plate angle, trim tabs to the hull. No rideplate holes filled.

    83.5 mph @ 8450rpm, RXP244, 2005 RXP, Stage 3+, 185 rider weight, 65 L temp, 65 E temp, Altitude sea level, 4 bars of fuel, Riva power pipe air intake, B-kit SC, Pirahna intercooler, 15/20R prop with lots of work, through hull exhaust with shorty waterbox, 82 mm nozzle, Pro Nopas, Riva ECM and 50# injectors,.

    83.3 mph @ 8580 rpm, SleeplessnMS, 2006 RXP, Stage 3+, rider ? lb, L temp ?, E temp "cool", Altitude ?, ? fuel, 4" air intake, B kit SC (14.25 psi), XS intercooler, 15/20 prop, fastest with stock exhaust, skeggs, 80 mm nozzle, ? ECU, ? injectors, ? engine mod's, rideplate holes filled.

    83 mph @ 8400 rpm's, suck my wake, 06 RXP, Stage III, 190 lb rider , 91 L temp, 75 air temp, 580ft Alt, 3/4 tank, Riva rear intake,X-charger (12 psi boost), Riva I/C, 15/20 (tweeked) with 82mm ring,RR duals with shorty waterbox, Riva grate/wedge and Race engineering blockoff's,
    Rotax Racing ECU w/42's,Riva valvetrain,2" pump extention,Rideplate holes filled.

    82.4mph, 74mjh , 2007 RXP, Stage3, 85kgs, 24, 28, Sealevel, 3 bars of fuel, 4 inch air intake, 14 pounds (boost),custom intercooler, custom manifold, 15/19 3 Blade, stock exhaust ( except no baffles) , OPAS removed, Worx sponsons, Worx grate, #42 injectors, Autronic SM4 ignition, Titanium Valve gear,

    81.8 mph @ 8580 rpm, RXP Steve, 2006 RXP, Stage 3+, rider 200 lbs,
    Lake temp 73, E temp 78, altitude 580 ft., full tank of fuel, Riva rear intake, full stage 3, Pirhana I/C and thru hull exhaust, rotax racing cam, shorty box, 15/20r prop untouched with 82mm ring, free mods.

    81.5 mph @ 8550 rpm, smc, 2004 RXP, Stage 3, rider 185 lb, L temp 67, E temp 72, Altitude ? ft, full tank of fuel, Riva 4" rear intake, S3 SC wheel (11.3 psi), Riva intercooler, 15/20R-2mm prop, Mark Underwood shorty waterbox and RR rear exhaust, Riva grate and wedge, NOPAS, skegs, trued hull, Riva ECU and Riva injectors, Riva valvetrain, filled rideplate holes."

    81.5 @ 8500rpm, suck my wake, 06 RXP, Stage II+, 185 rider wt, 72 L temp, 80E temp, 580ft Alt, full tank, Riva rear intake,Green Wheel (10 psi boost), Riva I/C, 15/20 (tweeked) with 82mm ring,RR thru hull, shorty box, Riva grate/wedge and pro blockoffs, Rotax Racing ECU w/42's,Riva valvetrain, Skeggs and Rideplate holes filled.

    81.3 mph @ 8520 rpm, MRO, '06 RXP, Stage 3-, rider 160 lbs, water temp 76* air temp 80*, 3 bars of fuel, DIY 4" dia front air intake, Riva ECU, 50# injectors, Green SC wheel, Piranha intercooler, 15/20R -2mm 4-blade prop, removed nose-cone, Riva thru hull exhaust, Riva intake grate and wedge, 81 mm nozzle, RE BOs, ride plate holes and intake grate holes filled/sanded, trimmed reverse bucket.

    81.0 mph @ 8100 rpm, engineermike, '04 RXP, Stage 2+turbo, 190 lb rider, L temp 90, E temp 90, Altitude 0 ft, 1 bar of fuel, No air intake, T3 60 trim turbo at 14 psi, XS intercooler, 15/20 4 blade pitched to 15/24, 81 mm nozzle, NOPAS and Riva sponsons, Riva grate, fastest with stock ECU using AEM F/IC and 62# injectors, stock engine, filled RP holes, trimmed reverse bucket.

    80.9 mph @ 8500 rpm, Alex13, 2006 RXP, Stage 3, rider 190 lb, L temp 85, E temp 90, Altitude "sea level", 2 bar of fuel, Riva 4" rear intake, S3 SC wheel, Riva intercooler, 15/19 3 blade prop, Riva through-hull exhaust, Riva grate and wedge, NOPAS, Riva ECM and 50#(?)injectors, valvetrain upgrade, filled rideplate holes, trimmed reverse bucket, removed nose-cone.

    80.8 mph @ 8500 rpm, INDY27, 2004 RXP, Stage 3+, rider weight 175lbs, air temp 90's, lake temp 80's Altitude 252ft, Riva air intake, Rudecharger, Riva intercooler, 15/20r untouched Prop, Riva through-hull exhaust, GH waterbox, Riva grate and wedge, RE blockoffs, ECU & 50lb injectors, Riva valvetrain, Riva stainless wear ring, Riva pro sponsons, Riva ext. rod, GH skegs, filled ride plate holes, trimmed reverse bucket

    80.3 mph @8620 rpm, Tasosz, 2008 RXT-X, Riva Stage 3+ Riva open loop and Riva ride plate, rider 183, air temp 77, altitude sea level, 1/3 tank gas, 13psi sc boost, 15/22R prop, 82mm nozzle size.

    80.2 mph @ 8100 rpm, DIGGS, 2004 RXP, ~Stage 3-, rider 225 lb, L temp 68, E temp 73, Altitude 830 ft, 2 bars of fuel, 4" rear intake, S3 SC wheel (9.8 psi), XS intercooler, 15/20 prop, Riva exhaust, green waterbox, mod'd waterbox, Riva grate and wedge, 81 mm nozzle, Pro Nopas, skegs, stock ECU, 42# injectors, stock engine, rideplate holes filled, reverse bucket trimmed.

    79.9 mph @ 8100 rpm, speedy, 2004 RXP, ~Stage 3-, rider 180 lb, L temp 77, E temp 82, Altitude 830 ft, 3 bars of fuel, 4" rear intake, Riva S3 wheel, XS intercooler, 15/20 prop, Riva exhaust, stock waterbox, 80 mm nozzle, skegs, Riva grate and wedge, 81 mm nozzle, Pro Nopas, stock ECU, 42# injectors, stock engine, rideplate holes filled, reverse bucket trimmed.

    79.7 mph @ 8150 rpm, RXP244, 2005 RXP, ~Stage 3-, rider 185 lb, L temp ?, E temp ?, Altitude ? ft, ? bar of fuel, Riva 3" intake, Les Cooke A (10 psi) SC wheel, Pirhana intercooler, 15/20R prop, mod exhaust stock location, Riva grate and Pro NOPAS, stock ECU, 42# injectors, stock engine, reverse bucket removed.

    79.2 mph @ 8100 rpm, DIGGS, 2004 RXP, ~Stage 3-, rider 225 lb, L temp 83, E temp 83, Altitude 830 ft, 2 bars of fuel, 4" rear intake, S3 SC wheel (9.8 psi), XS intercooler, 15/20 prop, Riva exhaust, mod'd waterbox, Riva grate and wedge, 81 mm nozzle, Pro Nopas, skegs, stock ECU, 42# injectors, stock engine, rideplate holes filled, reverse bucket trimmed.

    78.8 mph @ 8120 RPM, Snoman 2006 RXP, Stage 2+,Rider 190lbs Air temp 70, water temp 67.Alt. 575 ft.
    Mods-4 inch air intake,1st generation Rotax Racing wheel(Equivilant to the Greenwheel at only 9 lbs of boost)42 lbs Injectors,RR 158 thermo,Riva IC,Greenbox,Freebee Mods,2 inch pump extention,RE block offs,15/20 four blade,82mm ring,Riva grate,Skegs and Riva sponsons,stock ECU and NO internal engine modifications....More to come next year.......

    78.4 mph @ 8150 rpm, inteljd, '05 RXP, 3000’ altitude, , Riva Racing Stage III Supercharger, Piranha IC, Solas 4 blade 14/17, Riva exhaust with TDR waterbox, 2 degree wedge, Riva grate, Pro series Race nozzleRE block offs, Stock ECU, fastest with stock injectors, Reverse gate mod.

    78.4 mph @ 8100, rxpredviper, 07 rxp,rider 200 pound,air temp 72,water temp 65 ,1/2 tank fuel,riva stage 2 1/2,stock thermostat,stock waterboxs,stock sponsons,rear intake, home made opas block off,rva pro-series and housing,42 pound injectors,home made catch can oil and stock ecu

    78.4 mph @ 8100 rpm, RXP'in in MI, '04 RXP, Stage 2+, rider: 200 lbs, 75* L temp, 77* E temp, 800' altitude, 3 bars of fuel, DIY 4" dia rear air intake with mods to improve air flow, Les Cooke A-kit SC impeller (10 psi), Riva intercooler, 15/20R untweaked 4-blade, RR thru hull exhaust, Riva intake grate, 80 mm nozzle, RE BOs, stock ECU, 42 lb RR injectors, cam timing advanced, ride plate holes and intake grate holes filled/sanded, intake grate to ride plate transition matched.

    77.8 MPH @ 8100 RPM, DooVA, 2006/RXP, Stage 2.9, 165, 92 F, 89F, -1 from the top, 4" Rear Riva, Riva Stage 3, XS intercooler, 15/20 Untouched, gutted and shortened box with rear exit, 81mm, Riva grate, RE OPAS blockoffs, Jim's Rideplate with welded skegs, 42 lb Injectors Stock ECU, Filled rideplate holes.


    77.6 mph @ 8160 rpm, MRO, '06 RXP, Stage 2+, rider 160 lbs, 77* L temp, 80* E temp, altitude? , 3 bars of fuel, DIY 4" dia front air intake, stock ECU, 42# injectors, Green SC wheel, Piranha intercooler, 15/20R -2mm 4-blade prop, removed nose-cone, Riva thru hull exhaust, Riva intake grate and wedge, 82 mm nozzle, RE BOs, ride plate holes and intake grate holes filled/sanded, trimmed reverse bucket.

    77.6 mph @ 8120, silvertoung, 07 RXP, stage 2+, 145, water 82, air 89, elva 70', 4 bars of fuel, 3'' riva front air intake, riva stage3 sc @9+ lb of boost, macsboost ic, 15/20R solas with nose cone, riva through hull exhaust, riva intake grate, riva ops block offs pro, riva wedge, mod trim rod, 42lb injectors, stock ecu, trimmed R bucket, filled rideplate holes

    77.5 mph @ 8100 rpm, Vern, 2005 RXP, Stage 2+, rider 175 lb, L temp 75, E temp 75, Altitude 580 ft, 3 bars of fuel, Riva rear air intake, Les Cooke "A" wheel SC wheel, Riva intercooler, 15/20R-2mm prop, 81.5 mm nozzle, RR thru-hull exhaust, Riva grate and wedge, NOPAS, stock ECU, 42# injectors, stock engine, removed nose-cone.

    77.4 @8060 Rpms Icerat4 2006 rxp stage 2 + rider 195 lake temp 70 air temp 80 Gas 1/2 tank, Greenwheel Pirhana intercooler and rear exhaust, 42 injectors, 15/20 prop , re block offs, riva grate, riva sponsons ,ss ware ring ,Free Mods

    77.0 @ 7900, meeper, 2004 RXP, Stage 1++, rider 160lbs, L temp ?, E temp ?, Altitude ? ft, ? bar of fuel, 4" front air intake, riva S3 SC wheel, fastest with stock intercooler, S3 prop (3 blade), riva rear exhaust and custom waterbox, riva grate, RE Nopas, stock ECU, 42# injectors, stock engine, rideplate holes filled.

    77.0 @ 8100, Danny, 2004 RXP, Stage 2.75, rider 180 lbs., 73 L temp, 85 Air temp, 580ft, 2 bars, 4" air intake, RR Wheel, APCP intercooler, 42's, Skat 15/19r, thru-hull exhaust, RR Thermo, Riva grate, OPAS removed, Riva wedge, stock motor, stock ECU, ride plate holes filled, custom 3-part skegs....

    76.7 mph @ 8100 rpm, DIGGS, 2004 RXP, ~Stage 2+, rider 180 lb, L temp 81, E temp 87, Altitude 830 ft, ? bars of fuel, 4" rear intake, RR wheel, XS intercooler, 15/20 prop, resonator removed, Riva grate and wedge, Pro Nopas, skegs, stock ECU, 42# injectors, stock engine, rideplate holes filled, reverse bucket trimmed.

    76.5 @ 8100 rpm, RXP'in in MI, '04 RXP, Stage 2+, rider 200 lbs, 76* L temp, 80* E temp, 800' altitude, 3 bars of fuel, DIY 4" dia rear air intake, Riva/Vortech stage 2 SC impeller (9 psi), Riva intercooler, 15/20R untweaked 4-blade, RR thru hull exhaust, Riva intake grate, 81 mm rozzle, Riva Pro Series BOs, stock ECU, fastest with stock injectors, cam timing advanced, ride plate holes and intake grate holes filled/sanded.

    76.4 @ 8,150 skoepp 04 rxp stage 2ish 230 wt. 44 water, 55 air, 2,900 ft, 6 bars, power filter, S3 charger, XS power IC, 14/19r -1, riva thru hull with water box mod, stock nozle, riva grate, riva wedge with vts ext., riva pro sponson, riva pro BO, # 42's, stock ecu, ride plate holes filled, grate trued.

    76.3 [email protected] Pablo700, 08 RXP-X, Rider 180lbs, air temp 75, water temp 63f, sea level 1300feet, 1\2 tank fuel,Riva Stage 1, Riva Thermostat, Riva Waterbox, Riva Sponsons, Riva Intake Manifold Upgrade Kit, Riva Pro Series Opas block offs, Riva X-Charger Pro-Series Impeller & Housing, Riva 50lb Fuel Injector Kit, Catch Can Oil, Ride Plate holes filled, repitch prop 2mm
    Stock ECU

    76.3 mph @ 8400 rpm, Jarrett, 2004 RXP, ~Stage 2, rider ? lb, L temp 62, E temp 70, Altitude 530 ft, 3 bars of fuel, Riva 3" intake to 4" to glove box, Vortech S2 wheel, RR intercooler, 14/20 prop (repitched by IMPROS), PPG powerpipe, Riva grate, No opas, RR ECU, stock injectors, stock engine, filled rideplate holes, trimmed reverse bucket.

    76.1 mph @ 8100 rpm, engineermike, '04 RXP, Stage 2+turbo, 190 lb rider, L temp 90, E temp 90, Altitude 0 ft, 4 bars of fuel, No air intake, T3 60 trim turbo at 13 psi, XS intercooler, fastest with stock prop pitched to 16/25, stock nozzle, NOPAS and Riva sponsons, Riva grate, stock ECUusing AEM F/IC and 62# injectors, stock engine, filled RP holes, trimmed reverse bucket.

    75.6 @ 8100, Danny, 2004 RXP, Stage 2-ish, rider 180 lbs., 78 L temp, 81 Air temp, 660ft (Ozarks), 2 bars, 4" air intake, fastest with stock supercharger, XS intercooler, Skat 15/19r, thru-hull exhaust, RR Thermo, Riva grate, OPAS removed, Riva wedge, stock injection, stock motor, ride plate holes filled, custom 3-part skegs.

    75.6 mph @7950 rpm, INDY27,2004 RXP, rider weight 175lbs, air temp 90's, lake temp 80's Altitude 252ft, Full Riva stage II, Riva stainless wear ring, Riva pro sponsons, Riva ext. rod, RE blockoffs, GH skegs, filled ride plate holes, trimmed reverse bucket

    75.6mph @ 8200rpm, 74mjh, 2002/KAW Ultra 150, Rider 85kgs, 22C, 28C, Sea level, 2 bars of fuel, K&N intake, 16/20Solas Prop, Triple Pipe, R & D extended Nozzle, Shredmaster Pate, Worx sponsons, Novi 48's, ADA 42cc Heads, Factory Pipe ignition, V-Force Reeds, R&D grate,

    75.4 mph @ 8100 RPM, RXP-REX, 2004 RXP, Stage 2, rider weight 170lbs, air temp 60, lake temp 53, Altitude 1150 ft, full tank of fuel, 3" air intake, vortech S2 wheel, XS intercooler, 15/20R prop untouched, Riva thru hull exhaust, Riva grate, Riva wedge, Riva pro opas blocks, stock injectors, stock ecu, rideplate holes filled.

    75.2 @ 8200 rpm, MONKEY, 2004 RXP, stage 2.5, 150lbs, lake temp 70, engine temp around 78, 10 above sea lvl, full tank of fuel, riva cold air intake, stock SC, riva intercooler, solas 15/20R, short water box, thru hull exhaust,riva front loader intake grate, pro opas block offs rive skegs

    75.1 mph @ 8050 RPM, RXPkid, 2004 RXP, Stage 2, rider weight 160lbs, air temp 61, lake temp 64, Altitude 1150 ft, 3 bars of fuel, 3" air intake, vortech S2 wheel, XS intercooler, 15/20R prop untouched, Riva thru hull exhaust, Riva grate, Riva wedge, Riva pro opas blocks, stock injectors, stock ecu, rideplate holes filled.

    75.1@ 8450 rpms, JP, 2005 RXT, Fastest 3-seater, Stage 3+, rider weight: 165, L temp: 78f, E temp: 87f, Altitude: 7, bars of fuel: 3 bars, air intake: 4", supercharger (boost): RUDE, intercooler: XS, prop: 15/20r, exhaust mod's: thru-hull, GreenHulk box, hull mod's: Riva grate, nopas, 2.5 wedge, skegs, injection mod's: RIVA ECU, 50 lb injectors, engine mod's: RIVA valvetrain, free mod's: filled rideplate, cut bucket.

    75.0 mph @ 8100 rpm, engineermike, 2004 RXP, Stage 1+, rider 190 lb, L temp 82, E temp 84, Altitude ~30 ft, 2 bar of fuel, Riva 3" intake with no filter, RR SC wheel (~9 psi), stock intercooler, 15/20R prop (repitched from 14/19R by IMPROS), stock exhaust, Riva grate and wedge, NOPAS, stock ECM and injectors, stock engine, filled rideplate holes, trimmed reverse bucket, removed nose-cone.

    74.3 @ 8100rpm, Rick xp, 2004 RXP, Stage 2 Riva exhaust, 4 inch intake, RE Block offs, Worx sponsons, RUDE RRFPR, Riva Intake grate, Ski MD modded waterbox, Piranaha Intercooler, Green wheel, Ferrea lightweight valves, 14/19 solas, trimmed reverse bucket, 4 bars of fuel and ¾ trim.

    74.2 @ 8100rpm, OU812, 2006 RXP, Stg 2, 218 lb rider, L temp 80, air temp 110, altitude 250 ft, 3/4 - Full tank, Custom 4" air intake, RR S3 wheel (showing 8lbs), XS knock off IC, 15/19R 3 blade on 83mm ring, Res. bypass, Riva grate,Riva pro bo's, Skat venturi mod, 42lb green inj's, stock ecu, ride plate holes filled, reverse bucket cut.

    73.6 mph @ 8160 rpm, dark viper42, 2006 RXP, Stage 1+, rider 160 lb, L temp 78, E temp 75, Altitude 1335 ft, full - 1 bar of fuel, Riva 4" rear intake, Green SC wheel (~9 psi), stock intercooler, 14/19R+1mm prop, Riva rear exhaust, Riva grate and wedge, RE BO's, Skegs, stock ECM and injectors, stock engine, filled rideplate holes, trimmed reverse bucket, removed nosecone, waterbox mod.

    73.2 mph @ 8180 rpm, Gold06RXP, 2006 RXP, Stage 1.5, rider 195 lb, L temp ?, E temp 80, Altitude 800 ft, 1/4 tank of fuel, Riva 3" intake, stock supercharger, JFizzle XS intercooler, 14/19R prop, stock exhaust, Riva grate and wedge, stock ECM and injectors, stock engine, ? free mod's.

    72.6 mph @ 8100 rpm, Kevin, 2004 RXP, Stage 1+/-, 235 lb rider, L temp 82, E temp 84, Altitude 30', stock prop with ? mm added, resonator removed, Riva grate, stock ECU and injectors, stock engine, filled rideplate holes, removed nosecone.

    72.4 MPH @ 8100 RPM, RXPwildchild, 2007 RXP, Stage 1, 145lb rider, L temp 82, E temp 85, Altitude 238, 4 bars of fuel, Riva Power Filter Kit, stock SC, stock intercooler, Solas 14/19R impeller, stock exhaust, Riva top loader intake grate, Riva Pro OPAS BO's, stock ECU and injectors, stock engine, filled rideplate holes.

    72.2 mph@8100 rpm, Human Hammer, 2007 GTX Limited 215 HP, Stage stage2?, rider 310 lbs, L temp 60, air temp 77, 90 feet above sea level, 3 bars of fuel, Riva 3" air intake, Riva Gen 2 supercharger , X intercooler w/ strainer, 14/19 prop, Dannys flared exhaust mod & resonator removed , 81mm nozzle size, hull mod's, Home made grate,2 *wedge, rideplate milled,skegs,holes filled, 42* injectors, no engine mod's,Catch can,

    72.2 @ 8180 rpm, travelboysteve, ? ski, rider 188 lb, air 95 deg, water 85 deg, full tank of fuel, 3" Riva Air intake, Riva grate, solas 14/19, (soon to be 15/20), Stage 3 SC impeller, 42# injectors.

    72.1 mph @ 8100 rpm, ChachoRXP, 2004 RXP, Rivas Stage 2, rider 155 lb, 5 bars of fuel, Laughlin, NV, Colorado River upstream, Riva Intake, Supercharger impeller, Blow-off Valve, External Intercooler, Riva rear exhaust, Riva grate, 15/20 Prop, wedge, Pro Block-offs, Stock Sponsons, stock ECM and injectors, trimmed reverse bucket.

    72.0 mph @ 8100 rpm, Doc212121, 2004 RXP, Stage 1, rider 230lb, 4 bars of fuel, Bay City,MI, Riva Blow-off Valve, Power Pipe, Riva grate, 14/19R Prop, wedge, Riva Sponsons, Adjustable Nozzle 81MM ring, stock ECM and injectors, trimmed reverse bucket.

    71.7 mph 2006 RXT, 8100 rpm, dave262626, XS Intercooler, Rude2 S/C, 50 injectors, RRFR, RIVA Metal washers, 3" air filter, RIVA Intake Grate, PPG OPAS Blockoffs, Water Strainer, RIVA Thru Hull Exhaust, Solas 15/20R Impeller, RIVA S/S wear ring, Skat Trak nozzle machine work w/rings, free mods, Sea Doo depth finder, Custom Sound System, Greenhulk Sticker (71.7 GPS w/81mm ring, still tweaking)

    71.3 mph @ 8100~8150 RPM, RXPkid, 2004 RXP, Stage 1, rider 160 lb., L temp approx. 70*F, E Temp approx. 80*F, Altitude 1,150 ft., 6 bars of fuel, Riva 3" intake, stock supercharger, stock intercooler, 14/19R prop untouched, Riva Pro Series OPAS blocks, stock exhaust, Riva grate and wedge, stock ECU and injectors and spark plugs, stock engine, rideplate and intake grate holes filled for free mods.

    71.0 mph @ 8040 rpm, Gold06RXP, 2006 RXP, Stage 1, rider ? lb, L temp ?, E temp ?, Altitude ? ft, ? bar of fuel, Riva 3" intake, stock supercharger, stock intercooler, 14/19R prop, stock exhaust, Riva grate and wedge, stock ECM and injectors, stock engine, ? free mod's.

    71.0 @ 8100, OU812, 2006 RXP, Stage .75, rider 215 lbs., 70 L temp, 90 Air temp, 572ft, full tank, 4" air intake, stock Wheel, stock intercooler, stock prop +1mm, thru-hull exhaust, Riva grate, Riva pro opas B.O's, stock motor, stock ECU, ride plate holes filled...

    70.1 mph @ 8050 rpm, rider:N8R , 2007 RXP (AKA: H2ho), stock, rider ? lb, Altitude sea level.

    69.9 mph @8100, Sfackett0, 05 RXP, Rider 165lbs, air temp 87, water temp 86, Sea level, 1 bars of fuel, 4" Ram air intake, stock supercharger w/ steel washers, stock intercooler w/ strainer, stock prop, stock exhaust, stock nozzle, Rive intake grate, no injection mod's, no engine mod's, Catch can, Ride hole plate filled, Riva BOV hose w/ Forge BOV.

    68.8 @ 8100 rpm, RXPKid, 2004 RXP, STOCK, Rider 150 lb, L temp 65, E temp 75, Altitude 1150, 6 bar of fuel.

    68.6 @ 8060, Superunatural, 07 RXP, Rider 240lbs, air temp 85, water temp 81, Sea level, 3 bars of fuel, stock supercharger, stock intercooler, stock prop, stock exhaust, stock nozzle, no hull mod's, no injection mod's, no engine mod's, no free mod's

    67.9 @ 8050, Wolfmad, 05 GTX Ltd., stage 1 ish-, 220 # rider, 66 deg water, 72 deg air, sea level, 1 bar of fuel, Riva Air Intake, 2 1/2* wedge, Solas 14/17r, GH Skegs, Filled ride plate holes, Block-up OPAS.

    66.5 @ 7,610 rpm, skoepp 03 gtx (non-intercooled) Stage 1 230 wt. 44 water, 55 air, 2,900 ft, full tank, power filter, stock charger, 13/20r -3 mm, custom free flow exhaust, stock nozle, riva grate, riva wedge, riva comp bo,s, stock ecu, ride plate holes filled

    62.1 @ 7550 RPM, proporjet, 2005 GTX-SC, Stage 0, 215 lbs, L temp=86, E temp = 84, Alt=289', full tank, stock intake, stock SC, no IC, stock prop, no exhaust mods, no hull mods, no injection mods, no engine mods.

    61.2 MPH @ 7200 RPM, Drunken Sailor, 2007 GTI SE 155, rider weight 140 lbs, Lake temp 68, Air temp 80, Altitude 3353 ft, Full gas, Riva grate trued, ride plate holes, reverse bucket mod.

    55 @ ?, Fly'n DutchMan, 2007/Wake Edition, 208# rider, 69 degree, sea level, Full tank, Bone Stock.

    Let's see some speeds!
    Last edited by RX951; 11-20-2009 at 12:03 PM.


  2. #2

    Join Date
    Aug 2006
    Location
    Gonzales, La
    Posts
    2,145
    +1
    9
    In looking at the data, the conclusion is this:

    Stock = 67 - 70
    Stg 1 (bolt ons, stock SC and IC) = 70 - 73
    Stg 1+ (bolt ons, upgraded SC *OR* IC) = 74 - 75
    Stg 2 (bolt ons, S2 SC *AND* IC) = 75 - 77
    Stg 2+ (bolt ons, 10 psi "A kit"/Green/RR/S3 and IC) = 77 - 80
    Stg 3 (bolt ons, S3, IC, 8500 rpm ECU) = 80 - 82
    Stg 3+ (bolt ons, 13 psi Rude/"B kit", IC, 8500 rpm ECU) = 82 - 84

    Sound about right?

  3. #3

    Join Date
    Nov 2006
    Location
    Aurora
    Posts
    47

    re SMC's RXP

    Just going though this section and found a few this wrong with this post

    "81.5 mph @ 8550 rpm, smc, 2004 RXP, Stage 3, rider 185 lb, L temp 67, E temp 72, Altitude ? ft, full tank of fuel, Riva 4" rear intake, S3 SC wheel (11.3 psi), Riva intercooler, 15/20R-2mm prop, Mark Underwood shorty waterbox and RR rear exhaust, Riva grate and wedge, NOPAS, skegs, trued hull, Riva ECU and Riva injectors, Riva valvetrain, filled rideplate holes."

    1. It's a Rotax Racing "Stage 3" .
    2. It does not have a "S3" wheel it has a Rotax Racing High Boost Supercharger Impeller with Spacer.
    3. It has a Rotax Racing intercooler not a Riva.
    4. Does not have a Riva pump wedge.
    5. It has a Rotax Racing ECU not a Riva.
    6. Rotax Racing lightweight valvetrain not Riva.

    As for the 81.5mph thats an old number that has since been improved, also a few other things have been added this past season and over the winter. Will have to get Steve to post his new numbers this spring!
    Last edited by CJSXR800; 03-07-2008 at 05:56 PM. Reason: wording was wrong

  4. #4
    Quote Originally Posted by CJSXR800 View Post
    Just going though this section and found a few this wrong with this post

    "81.5 mph @ 8550 rpm, smc, 2004 RXP, Stage 3, rider 185 lb, L temp 67, E temp 72, Altitude ? ft, full tank of fuel, Riva 4" rear intake, S3 SC wheel (11.3 psi), Riva intercooler, 15/20R-2mm prop, Mark Underwood shorty waterbox and RR rear exhaust, Riva grate and wedge, NOPAS, skegs, trued hull, Riva ECU and Riva injectors, Riva valvetrain, filled rideplate holes."

    1. It's a Rotax Racing "Stage 3" .
    2. It does not have a "S3" wheel it has a Rotax Racing High Boost Supercharger Impeller with Spacer.
    3. It has a Rotax Racing intercooler not a Riva.
    4. Does not have a Riva pump wedge.
    5. It has a Rotax Racing ECU not a Riva.
    6. Rotax Racing lightweight valvetrain not Riva.

    As for the 81.5mph thats an old number that has since been improved, also a few other things have been added this past season and over the winter. Will have to get Steve to post his new numbers this spring!
    what size injectors are u running

  5. #5
    Quote Originally Posted by yellow jacket View Post
    what size injectors are u running

    48 lb with a RR rising rate regulator

  6. #6
    MRO's Avatar
    Join Date
    Jan 2007
    Location
    Michigan
    Posts
    124
    Updated speed from last summer.

    Added Riva ECU, 50# injectors and Riva valvetrain kit.

    -Matt

    81.3 mph @ 8520 rpm, MRO, '06 RXP, Stage 3-, rider 160 lbs, water temp 76* air temp 80*, 3 bars of fuel, DIY 4" dia front air intake, Riva ECU, 50# injectors, Green SC wheel, Piranha intercooler, 15/20R -2mm 4-blade prop, removed nose-cone, Riva thru hull exhaust, Riva intake grate and wedge, 81 mm nozzle, RE BOs, ride plate holes and intake grate holes filled/sanded, trimmed reverse bucket.

  7. #7

    Join Date
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    I'll guess 83.5mph.

  8. #8
    rxpsalazar's Avatar
    Join Date
    Oct 2007
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    Posts
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    what kinda speeds do you guys think ill be geting out of my 05 rxp?

    mods
    greenwheel
    jays ic
    green box
    14/19 sloars
    riva ops block offs
    riva power tube
    #42 injectors or 48's



  9. #9
    Vern's Avatar
    Join Date
    May 2005
    Location
    Grand Haven, MI
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    128
    Salazar, with those parts and a stock nozzle you will likely be on the rev limiter and only run 74ish mph ... you need a 15/20 Solas, then you should be 75 - 77 if everything else is in order (grate/plate smoothed, no boost leaks, etc). Oh, and do the 42s, not the 48s.
    Last edited by Vern; 03-21-2008 at 09:15 AM. Reason: Added info

  10. #10
    rx4pain's Avatar
    Join Date
    Apr 2005
    Location
    Olympia, WA
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    2
    How come Jerry's top speed doesn't list his parts? Ancient Chinese secret?

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