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PlowBoyII - New 900HP Hill Killer from Wide Open Design
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<blockquote data-quote="WideOpenDesign" data-source="post: 468458" data-attributes="member: 4280"><p>The cooling system in this machine is more suited for a desert race truck than it is a rock bouncer. We used a 38x18 Griffin radiator with dual 18" spal fans. We mounted an external water pump right under the radiator to push the water through the system instead of pull it through. For transmission cooling we used a heat exchanger normally seen with Ultra4. This type of cooling is a blend of what we have seen work in Ultra4 racing and rock bouncing. We took the good from both and used what works. </p><p></p><p><img src="http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(68)%20copy.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(76)%20copy.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>The Powerglide transmission, built by PTC, uses a Reid case and features every aftermarket upgrade you can think. One unique feature about this buggy is we used an SCS straight drive gearbox. No levers, no frills, just a 3.4:1 4-wheel-drive box. It is designed to be a drop case like what is used in monster trucks, but we rotated it to the passenger side, which required the axles to both be off-set. </p><p></p><p><img src="http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(103)%20copy.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(106)%20copy.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p></p><p>The steering rams were custom built to match the hex theme of the trusses and suspension links and they utilize a small shaft diameter to achieve 1.5 turns lock to lock. The speed of the steering normally wreaks havoc on the pumps, pulleys, and belts. When the wheels are set on the steering stops, it creates a substantial pressure spike. In order to combat this we use Howe pressure relief valves to protect the dual PSC pumps.</p><p></p><p><img src="http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(113)%20copy.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /> </p><p><img src="http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(118)%20copy.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>The rams use 7075 aluminum tie rods with 7/8 shank QA1 chromolly rod ends with ¾ hole at the knuckle. The rear steer features a Stazworks self-centering rear steer.</p><p></p><p><img src="http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(116)%20copy.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(132)%20copy.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(143)%20copy.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(146)%20copy.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p></p><p>This rig has the very first set of Ouverson drop out 3rd member 14 bolt axles. We built custom fabricated trusses using 1/8" and ¼" steel. 3:73 gears were chosen, which we believe to be the strongest 14 bolt gear available. Custom built spools were designed by Ouverson, to accept 2" diameter 47 spline axle shafts. The Ouverson built housings use a 3/8" thick bell and 4" axle tubes. The open cast knuckles and high steer arms house massive 2.5 Rockwell sized RCV axle joints. The brakes are a mix of light weight Spidertrax hats and rotors, Wilwood calipers, and Wide Open Design brackets built to fit Ouverson Super8 lug hubs.</p><p></p><p><img src="http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(97)%20copy.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(123)%20copy.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(101)%20copy.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(110)%20copy.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(119)%20copy.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(136)%20copy.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(144)%20copy.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="WideOpenDesign, post: 468458, member: 4280"] The cooling system in this machine is more suited for a desert race truck than it is a rock bouncer. We used a 38x18 Griffin radiator with dual 18” spal fans. We mounted an external water pump right under the radiator to push the water through the system instead of pull it through. For transmission cooling we used a heat exchanger normally seen with Ultra4. This type of cooling is a blend of what we have seen work in Ultra4 racing and rock bouncing. We took the good from both and used what works. [IMG]http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(68)%20copy.jpg[/IMG] [IMG]http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(76)%20copy.jpg[/IMG] The Powerglide transmission, built by PTC, uses a Reid case and features every aftermarket upgrade you can think. One unique feature about this buggy is we used an SCS straight drive gearbox. No levers, no frills, just a 3.4:1 4-wheel-drive box. It is designed to be a drop case like what is used in monster trucks, but we rotated it to the passenger side, which required the axles to both be off-set. [IMG]http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(103)%20copy.jpg[/IMG] [IMG]http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(106)%20copy.jpg[/IMG] The steering rams were custom built to match the hex theme of the trusses and suspension links and they utilize a small shaft diameter to achieve 1.5 turns lock to lock. The speed of the steering normally wreaks havoc on the pumps, pulleys, and belts. When the wheels are set on the steering stops, it creates a substantial pressure spike. In order to combat this we use Howe pressure relief valves to protect the dual PSC pumps. [IMG]http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(113)%20copy.jpg[/IMG] [IMG]http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(118)%20copy.jpg[/IMG] The rams use 7075 aluminum tie rods with 7/8 shank QA1 chromolly rod ends with ¾ hole at the knuckle. The rear steer features a Stazworks self-centering rear steer. [IMG]http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(116)%20copy.jpg[/IMG] [IMG]http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(132)%20copy.jpg[/IMG] [IMG]http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(143)%20copy.jpg[/IMG] [IMG]http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(146)%20copy.jpg[/IMG] This rig has the very first set of Ouverson drop out 3rd member 14 bolt axles. We built custom fabricated trusses using 1/8” and ¼” steel. 3:73 gears were chosen, which we believe to be the strongest 14 bolt gear available. Custom built spools were designed by Ouverson, to accept 2" diameter 47 spline axle shafts. The Ouverson built housings use a 3/8" thick bell and 4" axle tubes. The open cast knuckles and high steer arms house massive 2.5 Rockwell sized RCV axle joints. The brakes are a mix of light weight Spidertrax hats and rotors, Wilwood calipers, and Wide Open Design brackets built to fit Ouverson Super8 lug hubs. [IMG]http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(97)%20copy.jpg[/IMG] [IMG]http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(123)%20copy.jpg[/IMG] [IMG]http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(101)%20copy.jpg[/IMG] [IMG]http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(110)%20copy.jpg[/IMG] [IMG]http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(119)%20copy.jpg[/IMG] [IMG]http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(136)%20copy.jpg[/IMG] [IMG]http://www.wideopendesign.com/Media/Images/Large/PlowBoyII%20(144)%20copy.jpg[/IMG] [/QUOTE]
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