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As youget more miles, you'll get more speed. The engine is still breaking in as well for the belt. My F1 was 99-101 now I got 118 miles and on the speedo and GPS I'm getting 113-117 MPH... :super_happy:
 

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<div class='quotetop'>QUOTE (f700 @ Feb 3 2007, 09:16 PM) <{POST_SNAPBACK}></div>
Took my F8 out today on the lake. Top speed attained was 102. This was on a semi packed trail. Sled has 99 miles on it. what is everyone else getting??[/b]
Forget the speedo it means nothing. Get some mileage on it and run beside another comparable sled. If your in front the speedo means Sh&t!
 

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I don't know guys, my sled actually got slower with more miles on it. Was up north 2 weeks ago, and I hit 103mph running down a road ... it was still creeping when I had to let off. Was up north again this week, and on that same road I hit 99mph ... in fact, I never saw triple digits the entire weekend despite some very good racing conditions.

Had an informal race with a buddy on an '02 Edge 800 XCSP with a Hot Seat clutch kit, and from a roll we stayed ski tip to ski tip. In a 1000' race, I'd pull him by about 2 sleds out of the hole, and hold him off - but he said he was pulling me in fast (not good bang your head )

My favorite guy I race against has a new Dragon, and he basically put the screws to me. Took me (everyone) out of the hole, and just stayed there. First race he got me by about 3 sled lengths, and the next was about 2 sled lengths ... but it was never even close.

I can feel a dead spot right around 85mph where it will keep climbing in speed, but it's not pulling your arms like the old F7 did. I need some serious clutch help as I'm over-reving up to about 8050 RPM. My belt has over 500 miles on it, so that (as well as the motor) is broken in. I know I could loosen my track up a bit because it doesn't free wheel when on a stand, but it's no different than my buddy's Dragon.

I love the ride, and I love the fuel & oil economy, but I'm pretty disappointed with the race ability of the sled right now. I was defending Cat through & through, saying they'd never build a new F8 that would be slower than the F7 (stock for stock). Well, knowing how my F7 lined up against some of these sleds last year (there were others in the mix), it's not even close. Hell, I was screwing around with another buddy on an '05 Fusion 600, and could barely pull away from him.

If anyone has clutching tips, feel free to offer 'em up because I need to do some wrenching.

My list of to-do's:

1) Check APV's (I'm pretty sure they're fine because I cen tell when they open - it pulls hard when they open)
2) Look into the shift assist by D&D
3) Throw some more weight at the clutching
4) Pray that ODS Dan comes up with his clutch kit LOL
5) D&D Y-pipe & bullseyes have been in my garage - but I don't have any fuel mods for it

I hope I find something to wake up this sled ... I absolutely love it, but it needs some help for the lake racing.
 

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Check your clutches. My guess is that they are overheating (as all DD units do) and that it's due to secondary slippage. What I would do is to try the Rktek/OVS (your choice) kit on it and do a little tuning. You should not be hitting that RPM you are WAAAYYY out of the power band and it's primarily due to the DD secondary issue. Fix it up and you'll be happier. (and beat the dragon you got the power on him...tune it to use it)

Steve (Rktek on mine workin' great)
 
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