kazuma

Hi I was wondering when using a 350z clutch with a rb20 flywheel are we suppose to use a 350z throw out bearing or a regular 240sx throw out bearing?

Thank you.

PHLIP

Throwout bearing as applicable to the transmission used is the way it usually is.

I have the White Bunny setup in my car and that is what I did with no problems. I'm not sure how far from that what you're doing is, but I cannot imagine it being too too different.

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kazuma

okay so the throw out bearing that would need to be used is a 240sx one not a 350z one since it applies to the tranny not the clutch being used?

The Chad

Random Fact... The 97+ 240SX got the TOB sharing the same part number to that of a Z32, while the 96- got a diff part number. (info per my friend the parts manager at my local nissan dealer) I don't know if one is better than the other though...

Ben G

why would you use an rb20 flywheel when the flywheel is used to balance the engine

kazuma

well this setup is like the white bunny setup. it uses a flywheel almost identical to our ka flywheel but the clutch contact surface is 240mm instead of 220-225mm.

I used a 350z TOB and now I am having slipping issues on my brand new clutch. Guess I gotta take out the transmission again and stick a 240sx throw out bearing in there.

Def

The flywheel is not used to balance ANY Nissan engine made in the past few decades...

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PHLIP

Actually, the 350Z clutch is closer to 250mm, at 9 7/8" compared to the 9 1/2" for the White Bunny.
I'd also understood that the TOB was to be used based upon the transmission, and it so happened that the one from the clutch kit I used (mid-grade NAPA one) was identical to the KA one from my 1995 transmission anyway.
I had not cared to look into THIS setup until this morning, and even then only did so to make sure the 24-splines was similar. I know nothing about the RB flywheel though, as this is the first time I had heard of it mentioned for this setup.

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kazuma

which flywheel did you use with your 350z clutch? you cant use a 350z flywheel since it has a 8 bolt pattern instead of the ka 6 right?

PHLIP

I did not use the Z33 clutch, I used the Z31/32 clutch, and the flywheel I used was from the 1993 D21 pickup, which has the KA bolt pattern because it has a KA as well. Usable exchange part numbers are named in the thread I linked in my first response in this thread.

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kazuma

ah I see ya i knew about that setup too but I decided to go for the 350z as it had the bigger contact patch. I had asked on another board regarding which to use at which time I was given incorrect information that i kept using this time around too .

I also called competition clutch since they offer a 350z pressure plate with a 240sx clutch disk and they use a 240sx throw out bearing as well! which leads me to believe the issue HAS to be with the TOB as the only things that can make a clutch slip are the clutch assembly, the tranny, oil, or trany linkage which the TOB is part of.

kazuma

just a heads up for everyone I was able to fix this with adjusting the bolt on the back of the clutch pedal!

so you CAN use a 350z throw out bearing with a 240sx transmission