Lightweight flywheel and stock clutch?? - Acura TSX Forum
 
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Old 04-15-2019, 01:10 AM Thread Starter
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Lightweight flywheel and stock clutch??

So I just got a 2006 TSX and I’m currently replacing the trans since the previous owner put in a DC5 5-speed from an RSX base, I’m doing all motor mounts and trans mounts and EVERYTHING. I got an OE spec clutch from LUK and was wondering if it is ok to put in a lightweight flywheel with it ?
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Old 04-15-2019, 10:29 AM
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Absolutely. And well worth the extra $$
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Old 04-15-2019, 02:54 PM
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You got an RSX clutch right? Just make sure your clutch and FW are both for RSX and not TSX - I'd look at a lighter fw - my 11.5 lb Competition Clutch flywheel is perfect for daily duties. I've driven one with an 8lb fw and found it to be a bit much for street use.

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Old 04-17-2019, 01:05 AM
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You can add a 6th gear to the RSX box - which might be a better idea if you know it's in good condition - the first 2 gears are the same and the rest are so close you could step down a tire size or change out the final.

I would get the lightest flywheel you can if you are fond of spirited driving, especially if you plan to re flash the ecu and remove rev hang.
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Old 04-18-2019, 04:56 PM
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Quote:
Originally Posted by circuitsports View Post
You can add a 6th gear to the RSX box
...what?
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Old 04-18-2019, 05:18 PM
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Quote:
Originally Posted by shandalo View Post
...what?

The RSX 5 speed has a spacer where a 6th gear could go, there are many different variations people have done

Honda Civic Si Gearbox - Tech Review - Honda Tuning Magazine

https://www.google.com/search?q=addi...hrome&ie=UTF-8
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Old 04-18-2019, 06:39 PM
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Wow, learn something new every day. That first link explained it well. I had done a quick Google search before I asked, but all the results seemed to be about switching in a taller 6th. Didn't know some of them were actually adding a gear they never had. Pretty interesting that Honda decided to go through the trouble to make it a 5 speed I stead of just making it 6. Maybe to give the RSX-S more appeal?
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Old 04-19-2019, 10:14 AM
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I believe the ratios between rsx base and type s are different to suit the powerband of the different engines. 6 short gears in the type-s.

I rebuilt my friends type-s trans adding a m-factory helical LSD (worth it) and tsx 6th gear. My only complaint with that setup is the 5th to 6th gear change had such a drop in rpm that it was really only useful at highway (55+) speeds. Otherwise the engine seemed to be a little labored and there was quite a drone. He chose that setup for fuel economy and could get 31-33 highway with a hondata tune and longtube headers.

Diff isn’t a drop in. You have to shim the carrier bearings correctly and they could take up to a week to get depending on the thickness you need
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