vgkracing Posted June 14, 2009 Posted June 14, 2009 Hi Again This is my engine rover 2.0k series for this season rallys 2009. On this occasion I managed to just under 236 hp, but I was able to get 233 Hp and 280 Nm of torque, but down the limit of revs for delivery maximum of power and torque as seen in the power curve graph. The engine of season rallys 2008 delivered 236 Hp at 7700 revs and the torque 254 Nm. The difference in the engine of the 2009 is the piston head with valves of 34.5mm in inlet and 160CFM and new system silencer. I will put below a list of components used for this engine: Tech data: Block with liners of 82.50 mm of bore. Forged pistons of 82.50 mm and weighing full of the piston including ring of 300 grams. Rings based on plasma. Forged connecting rods 132 mm in length and weighing of 490 grams. Steel crankshaft with 91.65 mm of stroke and weighing of 12 kg. Flywheel of 3.200 kg. MLS gasket head. New rail oil of rover. Crankshaft pulley and pinion of 500 grams. Oil pump changed at 2.5 bars of pressure at idle and 20% more flow. Compression ratio of 12/1. MS2 piston head with valves and 34.5/28.5 mm and 160CFM inlet. Adjustable pulleys of Pipercams. Camshaft 1444/285M of Pipercams. Double valve springs Pipercams. Caps steel reinforced Pipercams. Mechanics followers. Cambelt of 143x26. TB, S Jenvey modified to 39/42 mm. Trumpets carbon of 45 mm. Airbox maximum capacity of 150 mm in diameter and thermal blankets. Denso Injector of 6 holes. Race fuel pressure regulator. Electric fuel pump of 7 bars. Duralumin spacers. Janspeed exhaust manifold system with Magnaflow exhaust handmade and without catalyst. Thermostat 71 degrees. Helix clutch. Emerald ecu. Castrol Edge 10W/60 oil. 98 octane fuel. Balanced of total mobile components with an imbalance + - 1 gram. All the best Vicente www.vgkracing.com
vgkracing Posted June 14, 2009 Author Posted June 14, 2009 Hi again Sorry, now is it possible to see the power graph. All the best Vicente
vgkracing Posted June 15, 2009 Author Posted June 15, 2009 Wow. That engine has some power. Good work. Hi Mambosasa Thanks very much I am happy that you like it. How engine you have?? Regards Vicente
mambosasa Posted June 15, 2009 Posted June 15, 2009 I recently installed the Honda K20a engine, still some tweaking to do to get it just the way I like it, but so far so good.
Fiona Posted June 15, 2009 Posted June 15, 2009 Good work! You ccan compare it to others by uploading it onto Dyno Plot: http://www.dyno-plot.co.uk/dyno/dynoplot/index.htm Cheers.
vgkracing Posted June 15, 2009 Author Posted June 15, 2009 I recently installed the Honda K20a engine, still some tweaking to do to get it just the way I like it, but so far so good. Hi Mambosasa The honda k20a engine is a good engine, but I not like the torque. Generaly have a moderate torque, but is a good engine. Regards Vicente Good work! You ccan compare it to others by uploading it onto Dyno Plot: http://www.dyno-plot.co.uk/dyno/dynoplot/index.htm Cheers. Hi Fiona Yes, I know this page. I am happy that I like my work. Regards Vicente
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