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I'm very close to replacing my 5 speed with an 02-04 RSX-S 6 Speed. I have a DC5-R LSD in my 5 Speed and would swap it over with the 4.764 final drive.
Before I pull the trigger, I want to make sure this is worth doing so I'm looking for feedback from those that have done it. To make comments more relevant, below is my current setup.
K24a2 - 200whp
5 Speed / LSD
EMM inserts
General use is daily driver and autox
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From what I have read the 6 speed is just better for gas mileage, I have the 5sp with my k24a2 and would never change to a 6sp
Closer gear ratios are better for acceleration, of course but yes will require more shifting. People start to talk about the TSX 6th gear when they start talking gas mileage.
The k20z3 (06-11) Si transmission is ideal from everything I've ever read up on. I believe it has the same exact gear ratios as the DC5-R, and the OEM LSD, but cheaper cause it's not JDM as fawwk. Yea, you have to convert a few things, but from what I heard it's easy. I know you already have a LSD, but i'm just throwing out some info.
The boosted guys like the 5-speed with the longer gears, mainly the 3rd gear in the EP3 trans.
I'm not sure which transmissions have which FD, but.. The general rule of thumb is this: Boost = 5 speed, NA = 6 speed. Again, not in ALL cases, but this is what I've seen most commonly. It also makes sense, so I would have to agree with it. And of course, the 6 speed is ideal for track/autoX.
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Ok, yea, 4/5/6 are a little different, but not anything that'd be noticeable IMO.
No, the DC5-R compared to the 06-11 Si
Definitely do the 6 speed swap. Just remember that swapping the FD means you need to change out the countershaft AND the ring gear. So if youre gonna do that, you might as well swap out the syncs on 1/2 gears and be sure to order new countershaft bearings and the retaining bolt.
Oh? Good to know. When I spoke with the transmission shop they asked me similar questions but I wasn't sure how to answer. I assume the countershaft and ring gear come out of the 5 Speed and go into the 6 Speed?
The transmission I have a line on has barely 10,000 miles on it so do I need to replace the bearings or syncro's?
why not keep the 5 speed and make it to a 6 speed to save gas? or you doing it for faster acceleration?
heres a link for the conversion.
http://www.kseriesparts.com/cr/HON-5SP-2-6SP.html
oh i seen daily driven so i put it
Im on my Droid so this will be brief but the EP 5 speed has triple synchros on 1/2 gears only. If you can upgrade to any native 6 speed you will end up with a better trans for sprited driving.
Ill respond on the rest a lil later today...
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