Top speed

I'm wondering what kind of top speed I should be getting with my mods.
I have AFE intake, Alba boost intake, Jet kit, Dyna tek CDI, Dalton clutch kit with OD cover. Dyno is at 37 rear wheel HP. Top speed I get is 49.8 on GPS with only me in Teryx. 45 with a passenger. It is very quick to 30MPH then takes about 600 yards to get to top speed. This does not seem to impressive compared to stock with the amount of money I have spent. Is this average for these mods and HP? Any feedback would help. I am going to run it this weekend without The OD cover to see what that does

62 on a two seater single driver...

dyna tek is maybe not working? or clutching is not right to much weight in clutch arms?

Remove the AFE and Alba boost box and go back to stock. I would say that you have a carb issue over anything else. You are also missing pipes but other than that I would say you are at least 8-10 MPH slower than you should be

i have muzzys dynatek clutch work and jet kit and mine will run 71 but thats on the display havent checked it with the gps i would say something is wrong in your clutches not allowing you to go top speed

ali baba's we had at 59mph on our way to 60 before we ran out of room <600 yard and that was all stock with only an MSD kit

With just 28" tires my 09 Sport goes 52.7 mph on GPS.

59-62 on GPS is typical for an 08 with only a CDI box. The exhaust isn't your issue. Carbs and clutching are the two places I would look at.
Instead of removing your OD cover, you could mark a stripe on it with a sharpie and test run it. I bet the RPM is off and that is why the speed is down.

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Chris@BenchmarkPerformance.us
Benchmark Performance
760-484-0986

When my car had the same bolt-on mods as you mentioned except boost box. I was running at 61 -62 mph and I was dyno'd by Alba at 44.85 RWHP. So something is definitely off with your set up. I will say that with the AFe airbox, your carb tuning needs to be spot on perfect or the performance will suffer big time. In fact, Alba never really got my car tuned right even after 2 visits. However, my new mechanic has my 840 dialed in tight & running 73 mph.

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2008 LE, FST 840 w/stage 3 cams,Ported heads, 41mm FCR's, I-Shock +5 LT kit,12" Hiper rims w/Bighorn 2.0's, DASA exhaust,DF CDI,Dyna hot coils & jet kit,Dalton w/OD cap,VForce John Clutch Mod's,PWR rad,Northern oil cooler & fan w/Weller adapter plate,Gaffrig H2o temp & oil press gauges,PRP seats & 5 pt harness',PDS 2 seat cage w/Alum top,PDS tube doors,PDS front & rear bumpers,4" Baja designs HID's,Eagle eye HID headlights,Odessey PC 1200 battery,dual red LED whips

Who is your new mechanic?

I can get 69 out of a four seater.

OK... I want to see real number not what your speedo is saying (need a GPS or RADAR Gun)... Some of the number thrown up here are a bit hard to believe, also tell us what tire size and what have you done to get those speeds.

Just curious...

I took the afe intake off and put the stock on. ran faster, i live in wv

09 sport 61.2 mph on gps VFJ clutch mod and muzzy that all!

With Dalton clutch kit, Muzzy's, Dyna, HW Jet Kit, and uni filter my 08 will run 68 mph on speedo.