Does anyone know if a 350Z flywheel and clutch can be used in vq35 swap? If not, then why? Searched, but all I could figure out was that 350z clutch disk can be used with a solid flywheel (not dual-mass that are on 5.5 gen maximas). But which one...

 

Before we can answer this question, you need to tell us if you are doing a hybrid (5th gen ECU and 3.0 timing components) or a full (5.5+gen ECU and timing components) swap. Also if you want to use a 6-spd tranny or a 5spd tranny (cant use that setup on a 5spd)

 

ok.. it's a 3.5 + 6th gen 6-speed tranny... as for ecu. 5.5 gen engine harness with ecu + geddy EU. i think. Does it help?

 

So... 350Z Nismo flywheel + nismo pressure plate + nismo clutch disk = NO ONE knows if that can be used for vq35 with 6-speed swap???

 

It can, but you have to find a way to deal with the different offset of the CPS ring on the 350z flywheel (relative to the FWD Flywheel, that is.)

 

I answered this question a couple of years ago. Yes it can be used, but with stipulations.

 

ok.... that's extremly helpfull

 

is the ring way off or what? any idea how difficult/easy is it to deal with the problem? do i need a machine shop to cut/weld/mill something?

 

you want to use a z flywheel why now?

 

well, it's either a Z /nismo or fidanza aluminum.. i've heard that fidanza had issues with their product, so i assumed that nismo would have somewhat better quality.. and i've found a used one that i can afford.

 

fair enough. because i was going to say companies offer a fwd vq35 flywheel. carry on.

 

This Nismo flywheel isn't much of a mass savings over the OE flywheel and it a waste of money and effort IMO. Unless you get one REALLY cheap or free.

 

So fidanza aluminum is the only option i have?

 

Link to issues involving fidanza 6mt fwd flywheel?

 

i never got a 350z to work very well with my swap. but i had a pos xtd flywheel. charles got a rwd fidanza to work.

 

here is one http://forums.maxima.org/showthread.php?t=417546

 

So the RWD vs. FWD flywheels locate the cps ring differently?

On a 5.5 gen engine replacement I used a rwd dual-mass flywheel from an 06 m/t (rev-up) because it was in much better shape, now I have no tach and car is vy difficult to start + cps code. This explains it I suppose.

Since the car isn't with me, does anyone know if I can grind the sensor/mount/bellhousing etc to align it (similiar to doing a 4.5 gen) or do I need to drop the trans? Thanks for any advice, I need to schedule things around if I need the lift to deal with this.

 

you have to pull the trans and re clock the flywheel.

 

Thanks, got it.

 

I had problems with a Fidanza flywheel about 4 years ago. They had the wrong ring gear installed. It was about 1/2 centimeter smaller across and had one less tooth. It would grind horribly on start up. A few other people had the same problem around the same time.

Fidanza handled the problem very well and I've been enjoying it for the last 60,000 miles. Other than that I was impressed with the quality of the flywheel. It was really a case of a very good product that someone at the factory made a mistake on.

That's the only issue I've heard of with them. I'm sure they've got it figured out by now. It would be easy to count the teeth before installing just to be sure.

The 350Zhr clutch works very well with the Fidanza in the 5.5 6-speed. Everything bolts right in with no mods. I've run several different clutch/flywheel combinations. When it comes time to do it again I'm not changing anything.

If you search my user name and Fidanza or 350Z clutch in the 5th gen forum you can see a lot of threads on the flywheel and 350Zhr clutch.

 

i had horrible problems too, and never got them solved. i sent the flywheel into fidanza and they said i had the correct ring, but replaced it for me anyways. that didnt change anything. i even tracked down the starter that was originally installed on my 6spd trans, that made a slight improvement, but the noise was still horrible.

 

I had the same issue, but it was resolved. Fidanza claimed that the original ring was the proper size but replaced it anyway. The replacement ring was quite bigger and was nearly the size of the OEM ring; with the new ring, the nasty sound went away.