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Discussion Starter · #1 ·
Like most people I'm looking to get a little more power out of my spark. A little top end would be good but mostly focusing on acceleration. I already added a SS wear ring and Solas impeller and I have the V-tech tune and will be installing it this weekend hopefully. The next 3 things I was looking into was exhaust, air intake and intake grate. I've read a lot of threads where people say the spark needs a better intake grate to get more water into the pump, but I haven't been able to find much info on the grates that are currently available being tested or results of these upgrades. Any info on these would be appreciated.
 

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Have you measured your performance increases so far? What are you getting as far as top speed and acceleration?

I imagine with with the mods you have planned, you are going to be able to get a lot out of the little Spark.
 

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Discussion Starter · #3 ·
So far with just the SS wear ring and solas prop I saw pretty decent improvements out of the hole. I raced a buddy on a stock spark a few times. He weighs about 50lbs less than me and I beat him out of the hole by 2-3 ski lengths and then held that gap up to full speed. Then we swapped skis and with the lighter rider my ski jumped out by about 5-6 ski lengths. Top speed has been about the same. The solas prop caused the RPM's to drop a bit and because of that the speedo only reads 48mph. But it's still topping out the same as my buddies stock spark.
 

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Sort of expected that with top speed at least improvements are happening where they're most valued, in the lower range... where you really feel it, instantly.
 

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Discussion Starter · #5 ·
I now have the Vtech tune, R&D intake grate, intake grate seal kit, and R&D ride plate which will all be getting installed this weekend. Only thing I still debating on is the exhaust and intake. I was going to buy them from a member on this forum that makes them himself but he hasn't gotten back to me in a few weeks now. I'm looking into the R&D stuff now. Anyone know if the intake and exhaust make any difference performance wise?
 

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I now have the Vtech tune, R&D intake grate, intake grate seal kit, and R&D ride plate which will all be getting installed this weekend. Only thing I still debating on is the exhaust and intake. I was going to buy them from a member on this forum that makes them himself but he hasn't gotten back to me in a few weeks now. I'm looking into the R&D stuff now. Anyone know if the intake and exhaust make any difference performance wise?
What improvements did you see from the intake grate and ride plate?
 
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