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  1. 08-07-2007, 11:22 PM #1
    98Hawk
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    First GPS speed today.

    Was at Lake Anna. Perfect conditions. I have an 04 RXP with a 4in intake. Everything else is stock. I went 70.4 in one direction and 69.9 the opposite way as soon as the wake settled. Tach was reading 7900rpm's. Does this seem right? Seemed kinda fast to me. I was pretty happy
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  2. 08-07-2007, 11:30 PM #2
    ReDevilRXP
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    Matthew K ReDevilRXP's Avatar
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    Quote Originally Posted by 98Hawk View Post
    Was at Lake Anna. Perfect conditions. I have an 04 RXP with a 4in intake. Everything else is stock. I went 70.4 in one direction and 69.9 the opposite way as soon as the wake settled. Tach was reading 7900rpm's. Does this seem right? Seemed kinda fast to me. I was pretty happy
    Those are some pretty good numbers. Add 2mm to the trialing edge of your prop or swap it out for a 14/19R and tweak accordingly and you should see a solid 71mph if not more. 1mm= Roughly 1mph. Tune to 8150.
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  3. 08-07-2007, 11:42 PM #3
    98Hawk
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    I was gonna fill the rideplate holes and install a grate. Then tweak the prop.
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  4. 08-07-2007, 11:48 PM #4
    ReDevilRXP
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    Matthew K ReDevilRXP's Avatar
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    Quote Originally Posted by 98Hawk View Post
    I was gonna fill the rideplate holes and install a grate. Then tweak the prop.

    That will work to
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