

Riceburner
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Bone Stock 06 Apex GT. 2000 miles. 96 Megabytes.
119 MPH dream meter,108 GPS 2,000 feet, hard pack trail, slightly up hill. 10,600 rpm.
Soft trail, 113 dream meter, 102 GPS 1/4 mile.
No ice runs yet.
She lays a thumpin on P-Tek Doo's from 30mph up.
Nice sled. Can't wait for the 09's.
119 MPH dream meter,108 GPS 2,000 feet, hard pack trail, slightly up hill. 10,600 rpm.
Soft trail, 113 dream meter, 102 GPS 1/4 mile.
No ice runs yet.
She lays a thumpin on P-Tek Doo's from 30mph up.
Nice sled. Can't wait for the 09's.
DoktorC
TY 4 Stroke Master
Radar from last weekend:
06 RTX - stock 144 studs, 120 with zero air in the floats (117 at stock ride height)
06 ER - stock 96 studs, 117
05 RX - ECP's, 96 studs 116
All on glare ice.
06 RTX - stock 144 studs, 120 with zero air in the floats (117 at stock ride height)
06 ER - stock 96 studs, 117
05 RX - ECP's, 96 studs 116
All on glare ice.
YAM182
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Last march 1 mile ice track with excellent conditions
4 runs between 122.2 and 124.4 mph.
Speedo indicated 139-140 mph then I quit looking at it so I could run VERY close to the guy holding the gun and not hit him.
Stock 06 Apex GT with reverse.
Stock 1 1/4 track.
144 studs.96 in the middle,48 outside belts.
Lowered.
Supertips.
Stock plugs.
NO ram air kit.
Chaincase lube that it came with.
650 miles on the sled at that time.Not really broken in yet.
4 runs between 122.2 and 124.4 mph.
Speedo indicated 139-140 mph then I quit looking at it so I could run VERY close to the guy holding the gun and not hit him.
Stock 06 Apex GT with reverse.
Stock 1 1/4 track.
144 studs.96 in the middle,48 outside belts.
Lowered.
Supertips.
Stock plugs.
NO ram air kit.
Chaincase lube that it came with.
650 miles on the sled at that time.Not really broken in yet.

ROCKERDAN
OCD Sledhead
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120mph on radar on ice/snow track....2 months ago.(naturally aspirated)
last week,105 GPS in 2-3" hardpack snow track on first run(no juice) then 118 GPS the next run on juice!
Dan
last week,105 GPS in 2-3" hardpack snow track on first run(no juice) then 118 GPS the next run on juice!
Dan


yamadoo
Yamadoo is a snowmobile ' aholic'.
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117 on dream meter but not done just out of room, on trail pack, is was still increasing but slower, I have never had a chance at a road or lake run.
Stock with 144 studs,
Yamadoo
Stock with 144 studs,
Yamadoo
visegrip said:what was the apex geared for ? i had my attack up too 130 mph on radar geared 24/38 with 9 tooth drivers. 12lbs of boostlakercr said:Last week-end 06 Apex GT 216KPH on the gun, 03 RX1 215 kph on the gun (That's 135MPH). Full body sleds on snow with regular tracks (1" Hacksaw and 1.25 Ripsaw). Temp was around 45f, probably 1800' distance.
You'd have to ask NORTHERNAPEX about the Apex gearing. RX was around a 1.40 ratio
Hard packed on lake 112 on GPS don't remember what the speedo
was did'nt look down.... 06 Attak with "Turk secondary setup"
TB
was did'nt look down.... 06 Attak with "Turk secondary setup"

TB
The Tweaker
Extreme
My 07 GT and an 06 ER run 105-107 on speedo, groomed trail/ road, both with 144 studs. 06 turns 10,500 stock clutching. 07 turns 11,100 with dalton clutching.
RTXs
Pro
My 06 RTX with ulmer stage 2, 115 on dream meter on hard pack lake ,my buddy on his Doo 600sdi saw 99.5 on gps on the same lake same time, we weren't side by side so dont know if he would've out ran me or not My sled blows on top end!!! Ive never been on ice with it though. I got 118 out of my Viper on ice, I tought I would see high 120's on the DM. Im disappointed to say the least. It revs up to 11,100 but then backs down to about 10,700- 10,800 when the track is fully hooked at high speeds.
snowbeast
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Ya you are more than likely only going about 100 or at best 101 gps speed vrs his 99 but my guess is he tapped out. Now you should be going a good 10 mph faster in real speed,there is no reason some of these only go 100 mph top end on hard pack snow,when most will at least go 105-110 gps on them same conditions. Try gearing down one tooth,on top and reclutching,so you are running 10,600-10,800 on top,and check everything out carefully,bearings on all shafts,and wheels,track tension,and alignment,chain tension,ski alignment,what type of skis and what type of carbide,how much ski pressure you running,these are some of the top end culprits for loss of speed.RTXs said:My 06 RTX with ulmer stage 2, 115 on dream meter on hard pack lake ,my buddy on his Doo 600sdi saw 99.5 on gps on the same lake same time, we weren't side by side so dont know if he would've out ran me or not My sled blows on top end!!! Ive never been on ice with it though. I got 118 out of my Viper on ice, I tought I would see high 120's on the DM. Im disappointed to say the least. It revs up to 11,100 but then backs down to about 10,700- 10,800 when the track is fully hooked at high speeds.
rx-1erlimitededition
Extreme
Last Saturday on Whetstone Res (Tug hill) soft ice with a little slush on top - 120 on dreameter. didn't have GPS with me. Last year 126 on dreameter was about 108 on GPS.


Riceburner
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The Tweaker said:My 07 GT and an 06 ER run 105-107 on speedo, groomed trail/ road, both with 144 studs. 06 turns 10,500 stock clutching. 07 turns 11,100 with dalton clutching.
Sled speedo no teeth ground off?
Seems very slow. Was it soft snow?
snowbeast
TY 4 Stroke God
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How far down the road are you running for those speeds,they seem kinda slow,but it depends on distance run?The Tweaker said:My 07 GT and an 06 ER run 105-107 on speedo, groomed trail/ road, both with 144 studs. 06 turns 10,500 stock clutching. 07 turns 11,100 with dalton clutching.
RX1-er-2005
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ttt
rapeape
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