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Dec 29, 2007, 09:38 AM
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#1
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Personal Sales Rating: ( 88)
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Location: Concord Township, Ohio
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4B11 specs
Bore - 86mm
Stroke - 86mm
Rod length - 149.25mm
Rod ratio - 1.735
Deck height - 230.1mm
Internals - forged H-Beam carbon-steel rods connected to aluminum alloy pistons.
Block is open-deck.
More to be added as I come across it. PM me or post up if you have info.
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Last edited by Blacksheepdj; Jan 16, 2008 at 09:06 PM.
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Jan 15, 2008, 09:24 AM
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#2
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Is it confirmed that the 4b11 (non EVO) engine has forged rods
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Jan 15, 2008, 09:52 PM
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#3
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Quote:
Originally Posted by evo_soul
Is it confirmed that the 4b11 (non EVO) engine has forged rods
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yes
Last edited by Blacksheepdj; Jan 16, 2008 at 12:36 PM.
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Jan 16, 2008, 01:12 PM
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#4
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Forged H-Beam carbon steel rods connected to aluminum alloy pistons.
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Jan 17, 2008, 10:24 PM
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#5
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I'm sure there will be some structural enhancements to the evo and RA engines so that it can handle much higher boost levels. However, from the info released so far on the 4B11 and 4B11T engines it seems they are very similar in component construction. Plus the chance that the RA and Evo crankshafts and other parts will easily fit on the standard 4B11 engine with little to no modification seems high. This might be wrong section for this but it does have to do with specs 
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Jan 27, 2008, 12:42 PM
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#6
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engine balance
is the engine internally balanced or externally. i have a few worries with the RRM lightweight alluminum pulley i ordered and the balance issue
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Jan 27, 2008, 12:50 PM
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#7
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Personal Sales Rating: ( 88)
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The stock pulley does act as a balancer, but it isn't the only one. There are also balance shafts inside the motor.
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Jan 27, 2008, 12:58 PM
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#8
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Quote:
Originally Posted by wewalkalone87
is the engine internally balanced or externally. i have a few worries with the RRM lightweight alluminum pulley i ordered and the balance issue
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Its NOT a balancer, and having an internally balanced engine doesn't have anything to do with the rrm pulley!!!!!
Your stock DAMPENER/pulley is used to reduce TORSIONAL vibrations on the crank. Thant its the twisting and untwisting from power stokes from the pistons. Balanced engine or not you still have those torsional vibrations!!! The stock pulley dampens these twisting vibrations thus extending the life of your crank.
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Jan 27, 2008, 01:09 PM
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#9
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Personal Sales Rating: ( 88)
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I stand corrected, then.
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Jan 27, 2008, 01:16 PM
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#10
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Although this is kinda off topic for this thread and may belong in the RRM thread.
To sum this up for those at home who have no clue what this means? in regards to wewalkalone87's question.
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Nov 21, 2008, 12:19 PM
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#11
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I've had the RRM pulley installed for over 30k and I've had no issues... I have noticed the increase in TQ at idle in Drive stopped, not moving. The accessory kicks in and the car wants to jump a little when the alternator initially kicks on and starts charging. Keep your foot on the brake...
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Nov 21, 2008, 12:38 PM
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#12
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Turbo vs. RA
Quote:
Originally Posted by Stuntfly02
I'm sure there will be some structural enhancements to the evo and RA engines so that it can handle much higher boost levels. However, from the info released so far on the 4B11 and 4B11T engines it seems they are very similar in component construction. Plus the chance that the RA and Evo crankshafts and other parts will easily fit on the standard 4B11 engine with little to no modification seems high. This might be wrong section for this but it does have to do with specs |
Can anyone tell us the differences in the 4B11 & the 4B11T engines, if any...?
The reason I'm asking is if I'm going to install a turbo in my 4B11 CVT ES, I'm going to want to upgrade some key components to take the extra loads of a turbo or any other upgrade...    
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JoeyBallGame
'08 CVT Lancer ES-GT Silver Metallic
[x]5-15% Performance Tint
[x]RRM Pulley
[x]RRM SRI
[x]MagnaFlow Axle Back Exhaust
[x]1st Brake Upgrade
[x]RRM Chassis Braceing Kit
[x]RRM Rear Sway Bar
[ ]17" Lite Wt. Wheel & Tire Combo (Spring '10)
[ ]Pruven Performance Custom Engine Tuning
[ ]RRM Motor Mounts
[ ]RRM Coil Over Adjustable Suspension
[ ]RRM CVT Turbo w/ Trans Cooler
[ ]RRM CarbonFiber Covers & Hood
[ ]EVO Body Kit & New Paint Job...
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Nov 21, 2008, 02:50 PM
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#13
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Location: Miami. FL
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Quote:
Originally Posted by JoeyBallGame
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Basically just the internals like: bigger injectors, different pistion compresson, camshafts etc... 
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First turboed CVT 08 in Miami ( UNTUNED) no longer installed =/
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Nov 21, 2008, 05:27 PM
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#14
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I am just about to run out the door, but there are Mitsubishi Technical videos for both the 4b11 and T versions, if you poke around on youtube or if someone can provide some direct links, The technician does a good job at explaining the differences.
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Oct 25, 2009, 08:59 PM
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#15
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what psi can the 4b11 handle for a DE/ES if you do go turbo? and how much do you have to lower the compression to install a turbo?
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08, 4b11, 4b11t, balance, carbon, evo, fiber, increase, interiors, internals, lancer, modification, power, shafts, size, specs, turbo  |
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