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SPI Hyperdryve pistons.....
- They are new this year, any thoughts?
started by whitexc
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October 29th 2009 at 7:10 PM
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whitexc
Average Member
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946 Posts 
Group: Members
Member Since: February 19th 2006
Location: Pendleton, NY, USA
Current Sled: XC
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I am looking at some SPI Hyperdryve pistons that are new for this year. They are made from a space age aluminum and can withstand much more heat and impact they claim....If anyone has any info or ideas on them it would be appreciated.
Regular SPI cast pistons are about $70, where these new super-deluxe ones are $100, while Poo stuff is $140. Just wandering if anyone has any info on these. Thanks.
Polaris...it IS the way out!
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Site Supporter
Group: Site Supporters
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October 29th 2009 at 9:37 PM
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polaris91
117 racing
polaris91 ugh.
Updated Tuesday at 8:30 PM
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3647 Posts 
Group: Members
Member Since: March 9th 2006
Location: bridgeport, new york, USA
Current Sled: 1991 indymod/2005 xcsp600
2008-2009 Miles: 2900
2009-2010 Miles: grass!?
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not sure about the super deluxe ones but the regular ones are great pistons
1990 indy trail bored.20over, ported and polished, cluched and geared, chaincase/brakes/jackshaft from 93 xlt, headlight cover, teather, some custom painting, black skid plate, blue running board trim, fox shocks, blue/gray powermadd handguards, 2 in powermadd riser, fly bars/barpad,blue leds(underglow),1 in lug track, teather mount from a 96xcr440,blue guage bulbs, blue c&as, xtra 10 rear, and edge seat and tank.
2005 xcsp 600,chrome windy,stripped decals,3.5 inch rox riser,white powermadd handguards,white c&a ultra 3 skis 6in shapers,camoplast cobra,slp can,fly bars/barpad,xeon headlight bulbs,rsi barhooks,odi grips,light blue clutch spring,slp vents,black headlight cover,billet wheels,rydefx clicker,
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October 30th 2009 at 4:32 AM
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Ugly_old_Poo_kid
techno-bumpkin
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1074 Posts 
Group: Members
Member Since: March 18th 2007
Location: Walworth, NY, USA
Current Sled: 05 Edge & Frankenstorm II
2008-2009 Miles: 165
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^^^ 2nd that..
95 - Storm 800 - Modded - AKA: FrankenStorm - Totalled near 100mph at Tug Hill!
96 - XLT/SP with Storm 800 trip/trip and now EFI - FrankenStorm II lives...
95 - RXL -- Sale Pending --
05 - Edge 800 long track - Stayin' stock for now..
---------------------------------------------
It made me more compassionate, more empathetic, more nurturing...
I FEEL LIKE I'M TRAPPED IN MY OWN WORST NIGHTMARE!!!
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October 31st 2009 at 9:24 PM
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whitexc
Average Member
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946 Posts
Group: Members
Member Since: February 19th 2006
Location: Pendleton, NY, USA
Current Sled: XC
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The super D comment was a joke! Does anyone know who makes SPI stuff....? Is it Western Power Sports? I am trying to find some info on these pistons with no luck what so ever. I e-mailed HPE to see if they know anything. We'll see.
Polaris...it IS the way out!
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October 31st 2009 at 10:25 PM
[ Modified October 31st 2009 at 10:36 PM
]
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Quote originally posted by whitexc
The super D comment was a joke! Does anyone know who makes SPI stuff....? Is it Western Power Sports? I am trying to find some info on these pistons with no luck what so ever. I e-mailed HPE to see if they know anything. We'll see.
They are still Chinese made like the regular ones, Namura I believe is Co name. Badged as SPI or SPX, the original are brittle with cheap rings, maybe the skirts wont break as easy on these ones. SPI Hyperdyve at SPX online http://www.spxonline.com/spx/09snow/spx-...logue.html
Wiesco pro-lites or OEM for quality and strength
No Brain No Pain
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November 1st 2009 at 12:49 AM
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Ugly_old_Poo_kid
techno-bumpkin
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1074 Posts
Group: Members
Member Since: March 18th 2007
Location: Walworth, NY, USA
Current Sled: 05 Edge & Frankenstorm II
2008-2009 Miles: 165
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I have never heard a complaint about SPI pistons, from anyone that has actually used them..
95 - Storm 800 - Modded - AKA: FrankenStorm - Totalled near 100mph at Tug Hill!
96 - XLT/SP with Storm 800 trip/trip and now EFI - FrankenStorm II lives...
95 - RXL -- Sale Pending --
05 - Edge 800 long track - Stayin' stock for now..
---------------------------------------------
It made me more compassionate, more empathetic, more nurturing...
I FEEL LIKE I'M TRAPPED IN MY OWN WORST NIGHTMARE!!!
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November 1st 2009 at 7:46 AM
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THE_Norwegian
:)
THE_Norwegian got some SLP powder pro skis in the mail today :-D.
Updated Yesterday at 5:32 PM
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444 Posts 
Group: Members
Member Since: January 29th 2008
Location: Norway
Current Sled: ET 340 and XCR 440
2008-2009 Miles: 2500KM :-D
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i use spi pistons in my xcr, i have nothing bad to say about them...
* XCR 440 *
"I`m not picking my nose.. I´m porting my head!"
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November 1st 2009 at 7:50 AM
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whitexc
Average Member
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946 Posts
Group: Members
Member Since: February 19th 2006
Location: Pendleton, NY, USA
Current Sled: XC
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I have heard the same and used them last time around...it certainly wasn't the pistons fault it let go. I am trying to gain some info on these new ones. They are in a few catalogs but that is the only info I can find.
Polaris...it IS the way out!
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November 1st 2009 at 8:10 AM
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polaris1man
Average Member
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738 Posts
Group: Members
Member Since: December 22nd 2007
Location: Nashwauk, Minnesota, USA
Current Sled: Polaris SKS700
2008-2009 Miles: not many
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Go with the regular ones Kevin for like $50, they will get the job done for yah
Three-1999 Polaris SKS700's
2000 Polaris SKS700
2000 Polaris Ranger 6x6
2007 Polaris Sportsman 800 EFI X2
2000 Yamaha YZ 250
1996 Yamaha WR250
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November 1st 2009 at 6:52 PM
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xcr_racing
Average Member
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506 Posts
Group: Members
Member Since: November 22nd 2004
Location: Waterloo, Wisconsin, USA
Current Sled: Frankenstein
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Quote originally posted by polaris1man
Go with the regular ones Kevin for like $50, they will get the job done for yah
I used them on 3 of the motors I did last winter without a problem. It was in an Ultra, XLT, and XC 800.
"SAUER POWER"
XC 600 "Frankenstein"
Racepak Hot Tach Pro
SLP Twin Pipes, HSP Billet Heads, SSP Porting, SLP Air box,
Revalved Shocks, Fly Bars, Handguards
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November 1st 2009 at 7:08 PM
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Sledaholic
New Member
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59 Posts 
Group: Members
Member Since: December 3rd 2008
Location: Wisconsin
Current Sled: 98 Formula Z 670
2008-2009 Miles: 1400
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I've used the SPI T-Moly pistons and had great luck with them, so i wuld expect the same ot of the Hyperdryve pistons.
98 Formula Z 670
Ice Claw track
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November 2nd 2009 at 11:08 AM
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MaxTrax
Junior Member
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332 Posts
Group: Members
Member Since: March 9th 2007
Location: Lowell, Michigan, USA
Current Sled: 1996 Polaris XCR 600
2008-2009 Miles: 325
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Quote originally posted by THE_Norwegian
i use spi pistons in my xcr, i have nothing bad to say about them...
I have them in my 96 xcr too. They work great imho. Found em on ebay last winter for about $50 Not sure which ones they are but here's a pic that I took.  SPI Piston
1996 Polaris XCR - Triple SLP Pipes, Clutch Kit
*Try making fun of a purple and pink sled... see how far it gets you!*
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November 2nd 2009 at 11:15 AM
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xcr440
Sundowners Trail Coordinator
xcr440 has to go through the snowmobile trailer....sleds will be north next weekend.
Updated Thursday at 1:45 PM
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12574 Posts
Group: Members
Member Since: February 1st 2003
Location: St.Germain/Edgerton, Wisconsin, USA
Current Sled: 03prox700/97xcr440
2008-2009 Miles: 610
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moly coated just like the oems are, nice...at a better price too.
a good beer drinker isnt a picky beer drinker
Loggers.... Working their ass off so you can wipe yours!
"Steep ground is when your cutting a notch and notice a mountain goat looking at you like you are crazy." - Hexan
woodbooga: (WOOD-boog-ah), n. regional dialect, common to areas of New Hampshire and Maine including the towns of Ossipee, Alton, Farmington, Acton, and Lebanon; one who attempts to obtain free firewood to fuel woodburning appliances in an effort to mitigate expenses related to home heating with fossil fuels. Frequently used as a term of derision by non-woodburners who mock the presence of loose bark and other wood waste in the beds of their pickup trucks.
2003 Pro x 700 almond/blue,10-66 black/red team 719 T-flow, 440 mains
1997 xcr440 my clutch kit, 380 mains,T-flow
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November 2nd 2009 at 1:46 PM
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I just received a 1997/98 700- 220 cylinder today I bought off another site. It came with a coated SPI piston included......I hope I never need it
I've never had a ten But I've had 5 two's
GARAGE FULL OF WEDGIES
1998 XC 700
1998 XC 600
1998 XCF 440
1997 SKS 700
2003 Pro X oops thats an "edgie"
1976 tx 340
1972 colt 340
1974 John Deere 400
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November 2nd 2009 at 4:18 PM
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white lightning
"The AFTERBURNER"
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608 Posts
Group: Members
Member Since: July 23rd 2003
Location: New York, USA
Current Sled: '01 XCR800
2008-2009 Miles: 400miles
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Ive used SPI in my '00 XCR and that sled ran really strong for 3yrs and still going strong into this season. Next year I am going to do top half rebuild for my '01 XCR next summer project. WL
My neighbor used to say, " The speed that thrills, the speed that kills "
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