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OPTIMAX 300XS ECU Flashing & Kits - DBR, Inc.

    http://www.davebushracing.com/optimax-300xs-ecu-reprogramming--performance.html
    Step up your 300XS performance affordably! Level 1.1 kits are winning races every weekend worldwide. The first step in achieving more XS performance is the Level 1.1 performance kit. Honest bolt on power. We have hundreds of hours testing and are very proud of our kits …

News - DBR, Inc.

    http://www.davebushracing.com/
    Dave Bush www.davebushracing.com. Comments. Adam bumps it up. 2/20/2014 Comments . Adam is on it. Solid Numbers Adam. ... In fact if you are looking for more racing power this is your first step. This is bolt on power. …

Mercury Optimax/300X Update - DBR, Inc.

    http://www.davebushracing.com/mercury-optimax300x-update.html
    The XS at equal bore and stroke to the X will always be that 20hp or so behind with better fuel consumption. Below is a dyno curve of a bone stock 300X compared to our DBR level1.1 300XS. The X still pulls away a little after 6400 …

New Mercury 300XS map now available! - DBR, Inc.

    http://www.davebushracing.com/dbr-news/new-mercury-300xs-map-now-available
    New Mercury 300XS map now available! 2/5/2015 ... Dave Bush www.davebushracing.com. ... Racing News. Archives. March 2015 February 2015 February 2014 December 2013 March 2012 November 2011 October 2011 January 2011 December 2010. RSS Feed Powered by Create your own unique website with customizable templates.

300XS Alien Cowl On The Water - News

    http://www.davebushracing.com/dbr-news/300xs-alien-cowl-on-the-water
    300XS Alien Cowl On The Water. DBR and NHR have collaborated on very much needed 300xs alien style cowling. We all have seen Adam McKeon's video of the 300xs sucking water at speed. It is awesome to officially include Adam and to have him be the first to test on the water the new cowling that cures the problem his video made famous.

FlashMyECU - DBR, Inc.

    http://www.davebushracing.com/flash-my-ecu.html
    **Mercury 300xs engines require 91 min octane fuel stock as well as all DBR level1 kits. ** Overnight your ECU today to get started! Please call Joe if you have any questions! 928-706-4702. Powered by Create your own unique website with customizable templates.

Products - DBR, Inc.

    http://www.davebushracing.com/products.html
    DBR is a small dedicated crew with intentions to suit its customers to the best of its ability. The products are intended for RACE/RACING USE ONLY. Use these products at your OWN RISK. Improper installation and/or adjustment of these products can result in major engine/vehicle damage. If you are not well versed in engine dynamics and the tuning ...

DaveBushRacing - YouTube

    https://www.youtube.com/user/DaveBushRacing
    Motorsports Engine and Racing Development

NEW 300XS upgrades [Archive] - Scream And Fly Powerboat and …

    https://www.screamandfly.com/archive/index.php/t-233086.html
    Spoke with Dave yesterday about 300XS upgrades. 300XS with the Level one kit, ECU upgrade, light flywheel, and add on cowl ram air carbon intake, make the same power as a stock 300X- @330 hp or so. Uses 5 gph less fuel throughout much of the rpm range. 300X style cowl being tested next week.

300xs. Problems [Archive] - Scream And Fly Powerboat and High ...

    https://www.screamandfly.com/archive/index.php/t-238284.html
    Hey guysI own a 300xs which I bought new in early 09'. Had some problems early in the piece where it would run sweet at wide open throttle for a period of time then start to miss and feel like it was dropping out. This would get worse and worse until it would drop around 500rpm altogether. ... Dave Bush Racing has a part that I believe will ...

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