Difference between revisions of "6B3x family"
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| aka = | | aka = | ||
| production = | | production = | ||
| − | | predecessor = | + | | predecessor = [[6G7x family|6G7x]] |
| successor = | | successor = | ||
| configuration = V6 | | configuration = V6 | ||
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| block = Die-cast aluminum | | block = Die-cast aluminum | ||
| head = Die-cast aluminum | | head = Die-cast aluminum | ||
| − | | valvetrain = SOHC with 24 valves and MIVEC | + | | valvetrain = Belt-driven SOHC with 24 valves and MIVEC |
| compression = | | compression = | ||
| supercharger = | | supercharger = | ||
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| emissions control = | | emissions control = | ||
}} | }} | ||
| − | The | + | The 6B3x family of engines are 60 degree angle V6 engines produced by Mitsubishi in [[Shiga|Shiga]], Japan. It is an all-alloy design with single overhead camshafts driven by a belt. Valves are actuated by roller rockers with automatic lash adjusters on the exhaust valves only. |
| + | |||
| + | The engine was designed primarily for use in the North American [[2g_Outlander|Second Generation Outlander]] and is designed to produce plentiful amounts of torque in the low and medium rev range as demanded by an SUV. It achieves this by using [[MIVEC]] for valve timing and lift and a variable length inlet runner manifold. | ||
| + | |||
| + | The weight of the engine has been reduced by the use of an aluminum block, heads and oil pan along with resin rocker covers, resin intake manifold and a guideless dipstick to reduce weight by 25 Kg compared to the [[6G7x family|3.0L 6G72]]. Mitsubishi claims the engine is only 5Kg heavier than the [[4G64|four cylinder engine]] used in the [[1g_Outlander|First Generation Outlander]]. | ||
| + | |||
| + | So far only the 3.0 Litre 6B31 has been released. | ||
| + | |||
| + | The engine was the last in Mitsubishi's early to mid 2000s 'engine renovation program' following the [[4A9x family|4A9x]], [[4B1x family|4B1x]] and [[3B2x family|3B2x]].<ref>[https://web.archive.org/web/20070929124340/http://www.mitsubishi-motors.com/corporate/about_us/technology/review/e/pdf/2007/19e_13.pdf Newly Developed V6 MIVEC Engine], Mitsubishi Technical Review, 2007/19 (archived)</ref> | ||
==6B31== | ==6B31== | ||
| − | + | The 6B31 is a 3.0 litre V6 engine. It uses 24-valve single overhead camshafts with [[MIVEC]]. It displaces 2998 cc using a 87.6 mm x 82.9 mm bore and stroke. It has a 9.5:1 compression ratio and produces 162 kW at 6250 rpm and 276 Nm at 4000 rpm. Compared to the [[6G7x family|6G72 24-valve SOHC]] as used in the North American Eclipse GTS the engine weighs 25 Kg less and outputs 7 kW more power but 2 Nm less torque. The engine has a relatively flat torque curve, with 90% of the engine's torque available from just 2000 rpm. | |
| − | The 6B31 is a 3.0 litre V6 engine. It uses 24-valve single overhead camshafts with [[MIVEC]]. It displaces 2998 cc using a 87.6 mm x 82.9 mm bore and stroke. It has a 9.5:1 compression ratio and produces 162 kW at 6250 rpm and 276 Nm at 4000 rpm. | + | |
| + | In Australia it has been used in the ZG and ZH Outlander. | ||
| + | |||
| + | ===Specifications=== | ||
| + | {|cellpadding="3" align="left" | ||
| + | |'''Displacement''' | ||
| + | |2998 cc (3.0 Litres) | ||
| + | |- | ||
| + | |'''Bore''' | ||
| + | |87.6mm | ||
| + | |- | ||
| + | |'''Stroke''' | ||
| + | |82.9mm | ||
| + | |- | ||
| + | |'''Compression Ratio''' | ||
| + | |9.5:1 | ||
| + | |- | ||
| + | |'''MIVEC Switch''' | ||
| + | |4750 rpm | ||
| + | |- | ||
| + | |'''Intake Runner Switch''' | ||
| + | |3600 rpm | ||
| + | |- | ||
| + | |'''Output''' | ||
| + | |162 kW @ 6250 rpm, 276 Nm @ 4000 rpm | ||
| + | |- | ||
| + | |} | ||
| + | {{Clear}} | ||
| + | |||
| + | ==Gallery== | ||
| + | <Gallery> | ||
| + | File:6B31.jpg|6B31 Engine in a Mitsubishi Outlander | ||
| + | File:6B31 Power.png|Power/Torque Graph for the 6B31 | ||
| + | </Gallery> | ||
| − | + | ==References== | |
| + | <references /> | ||
{{Mitsubishi engines}} | {{Mitsubishi engines}} | ||
[[Category:Other Mitsubishi Technical]] | [[Category:Other Mitsubishi Technical]] | ||
| + | [[Category:6B3x Engine]] | ||
