Flywheel question

General discussion forum about the 240sx, and a great place to introduce yourself to the board!
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danield319
Posts: 225
Joined: Sat May 30, 2009 7:19 pm
Car: 240sx

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Ok so this might be a little confusing but bear with me, so I had a single cam motor that finally went, and I found another motor and it came with the transmission and all of that, but the person I bought it from said it needed a new flywheel, so I took both of the transmissions off to compare the flywheels because the flywheel on my old motor was fine. They look alot alike, I'm curious if it truly does need a new flywheel. I apologize in advance for this question, I understand the general idea of the flywheel teeth and the starter but I havnt fully grasped it yet. I would just swap it over to be sure but as I was taking it off, the crank bolt came loose and now the flywheel bolts wont come lose and I dont have the proper tools to do it right.

So heres the comparison pictures, i numbered them, number 1 is the flywheel in quiston and number 2 is my old flywheel.

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i looked at every single part, and this is the worst teeth I could find

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Also when i took apart the new motor I noticed it had an aftermarket clutch, does anyone know what it could be?

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Frankenfourty
Posts: 172
Joined: Sun Jul 26, 2009 5:16 pm
Car: 1989 240sx CA18DET

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Your old one might be warped. That could be why they said it needed a new one. Your not really going to be able to see that, you would have to take it to a machine shop.

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allenms240
Posts: 661
Joined: Sun Mar 08, 2009 5:54 pm
Car: 1991 Nissan 240SX

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Why not just use the one that's okay? from your old motor?

Maybe exedy clutch? I doubt it's anything over OEM

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mRodiek
Posts: 2153
Joined: Fri Mar 07, 2008 9:42 am
Car: Stock Hatch
Location: CHICangeles
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Take a look at the clutch, it should say the brand near the springs.

Take your old flywheel off & get it resurfaced at Napa for like $50 iirc, youll be good to go.
BTW if you are getting a new clutch, TH Motorsports has Exedy OEM clutch kits for $99 shipped.


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