Clutch/flywheel problems - Nissan 240SX Forums
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#1 Old 04-22-2005, 08:06 PM
 
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Clutch/flywheel problems

Guys,
Awhile back, I'd purchased an XTD 6 puck sprung hub clutch for a 90-96 300zx NA so I could swap out the clutch that came with my RB25 motorset. Well, today I found out that the bitch doesn't fit! The t/o bearing is completely different and the pressure plate is slightly too large and none of the holes line up at all! I figured it's either one of 2 things: Either the flywheel that came with my motorset is not the correct one, or, I got the wrong pressure plate/clutch kit from the XTD people. I decided to take the pressure plate down to Autozone to see if a new 300zx NA pressure plate would line up with the fried one that came off of the motorset. This would at least let me know if XTD sent me the wrong part or if the pressure plate I have doesn't match with the true 300zx pressure plate.
As it turns out, the only one they had in stock was for the z31 and the bolt holes matched up perfectly! The dowels were incorrect and the overall height of the pressure plate was less but as I said the holes matched up perfectly. The t/o bearing was close but not identical match either. They wouldn't let me order a z32 clutch kit and match it up when it comes in without paying for it in full first (fuckers).
WTF? What should I do? Any suggestions/advice are greatly appreciated. This obstacle has pretty much brought the entire project to a halt
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#2 Old 04-23-2005, 12:20 AM
 
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Will they not give you a refund or let you send it back for a z32 one?

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#3 Old 04-23-2005, 09:36 AM
 
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Wierd as hell dude. I am having the Exact same problem with my rb25 flywheel.

I am going to source out another flywheel, because I want to have the larger clutch surface. I am attempting to use one from a datsun 280zxt. Its looking promising and I will post when I find out.

Evan
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#4 Old 04-23-2005, 02:38 PM
 
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Alright, so I went down to the local Nissan dealership to see if they had any NA 300zx pressure plates in stock so that I could try and match up the one from my motorset. Of course, they didn't have it in stock...in fact, no one in the state of Florida (where I am performing the swap) has it!!! Fuck...
One interesting bit of information that the parts guy gave me is that the NA flywheels and pressure plates are NOT all the same from 1989-1996! There are different part numbers (for whatever reason). Here's the breakdown straight from the dealership's parts computer:
Pressure Plate
2/89-9/93 Part # 30210-30P00
9/93-1996 Part # 30210-45P01

Flywheel
2/89-7/95 Part # 12310-30P13
7/95-1996 Part # 12310-54P00

Taking this new development into consideration, it looks like the guys at XTD probably sent me the wrong set but they list the part as being the same across all years. I'm going to have to call those fuckers on Monday and sort this out because this is ridiculous.

Anyway, let us know what happens with that 280z flywheel and if anyone has any suggestions, I'm all ears!!
-kouki
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#5 Old 04-23-2005, 06:38 PM
 
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Hey dude, I have an xtd clutch as well. Let me know what happens. I am keeping in touch with these guys in ca. They seem to be pretty cool and willing to help, so dont piss them off! I am in the same boat as you buddy. Keep me updated.

Evan
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#6 Old 04-23-2005, 06:51 PM
 
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Also I just want you to know that the pressure plate does fit a certain way. The alignment pins line up in a specific manner so try rotating the pressue plate to see if a different position will work... If not then send it back...

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#7 Old 04-23-2005, 10:01 PM
 
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I have tried every possible permutation of fitting the pressure plate onto the flywheel short of putting it on backwards! I even considered slotting the mounting holes in the pressure plate but then thought better of it. I'll definitely keep you guys posted.
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#8 Old 04-23-2005, 11:36 PM
 
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I think that anyone on the market for a clutch from XTD should hold off a little while until this is resolved.
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#9 Old 04-24-2005, 11:33 AM
 
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I was going to get the xtd clutch last weekend but had to let someone borrow some money. Glad i waited...

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#10 Old 04-24-2005, 11:37 AM
 
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http://www.jgycustoms.com/RB20DETparts.htm
These people seem to have flywheels for the "rb". Doesnt say its made for the Z or anything, so i guess its made for the rb.

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#11 Old 04-24-2005, 02:24 PM
 
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it sounds like you have the wrong clutch kit.
i ran the xtd kit on my rb20 (seriously was the first one to buy that kit for the rb swap) and it bolted up perfectly.
there are quite a few ppl that run this kit and no one that i know of has had any problems.....

Shift_BOOM. Damnit.

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#12 Old 04-24-2005, 07:31 PM
 
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After some more research, I found this;

84-86 turbo has a 240mm clutch

The clutch off of my rb is actually 225mm! Its friggin tiny. I am wondering if someone did a swaparoo with my flywheel before I bought it.

My xtd clutch, I think, is the right unit. It is I who has the wrong flywheel.

Dude, post the PN off of the pressure plate that came on your car, I am very curious to see if its the same as the one I have.

Evan
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#13 Old 04-25-2005, 12:08 AM
 
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btw I have an rb20 flywheel that I don't need if you guys do. it is the same as the rb25 i think. I have an exedy 300zx clutch and it is perfect, and I know that fits both motors. Anyway, good luck with the clutch issue.
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#14 Old 04-25-2005, 04:07 PM
 
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Alright, I just got off the phone with Jimmy from XTD and apparently I have the wrong pressure plate! He says that the manufacturer misboxed the set and that I actually have a twin turbo pressure plate which is too big. He said that if you look at the top of the new pressure plate and see the word "JAPAN" on it, it's for a twin turbo. If it says "USA" it's for a N/A. Mine of course says "JAPAN". Fuckers...

I'm mailing him the pressure plate and he's going to send off the "correct" one for me. I swear to god if the one he sends me is incorrect I'm going to blow up a school or something!

I'm hoping to have it by the end of the week. I'll keep you posted.
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#15 Old 04-25-2005, 07:51 PM
 
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well mine says USA and it still does not fit. WTF. With the size difference in the clutches, the flywheel would have to be larger in diameter to fit.

Evan
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#16 Old 04-27-2005, 01:38 PM
 
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OMFG I'M SO HAPPY!!! Mr. UPS just dropped off the replacement pressure plate that supposedly is the one that I should have originally received and it fits like a glove!! Hahahaha! Now I can finally get the damn engine and tranny into the car and get this project moving again! Here are some observations I've made about this whole fiasco:
1. Jimmy at XTD is alright guy and was willing to help me quite a bit.
2. The original pressure plate I received that did not fit said "Japan" on the front and weighed 16 lbs. That plate is the one for the 300zx TURBO.
3. The replacement one I received weighs only 10lbs and fits my flywheel perfectly. This one is the plate that should have been included in my 300zx N/A kit.

I hope this helps some of the other guys in a similar situation. Now if you'll excuse me, I have an RB25 that needs to find its new home.

-kouki
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#17 Old 04-27-2005, 11:49 PM
 
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Turns out I have the wrong flywheel. Good thing ive got a spare at a buddies house (too bad its 4hrs away).

Evan
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#18 Old 06-04-2005, 09:01 PM
 
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Sorry to revive this thread but I also bought an XTD clutch and am having fitment problems. Mine says USA though. I'm almost positive I have the right flywheel. Can someone please give me Jimmy's number so I can sort this out? Thanks.
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#19 Old 06-04-2005, 09:30 PM
 
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his number is available through the website that jimmy has for his clutches.

Evan
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#20 Old 06-05-2005, 04:42 PM
 
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my xtd is on the way yay

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#21 Old 06-06-2005, 05:39 PM
 
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Alright, now that the car has been running (sort of) and I've been driving it around a bit it's time for some quick driving impressions of the clutch. First, this thing grabs quick and hard! It's difficult to slip it when moving off in first gear and I can't even imagine what a hillstart would be like. Thankfully where the car is now, there are zero hills. Second, downshifting (4th-->3rd, etc) can be pretty jerky if you don't finesse the pedal. Third, I think it's going to be a nightmare in the snow! Even starting in 2nd gear is going to be tricky since it'll probably stall out before it slips well enough to move off smoothly without spinning the rears. Despite all of this, I think it's a good deal for the price and I'd probably do it over again if given the choice. I guess I better start looking around for a winter beater...
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#22 Old 06-06-2005, 06:46 PM
 
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Guys I'm having a problem with Jimmy at Aimco Clutch. It seems that he can't remember any other people having problems with this. I'm being very polite but he doesn't really know what's going on. What should I do? I told him about the USA emblem and I've told him about other people online with the same trouble. He said that I need a Maxima clutch which sounds very off...I'm going to Pepboys tomorrow to confirm that my clutch is exactly like a 300zx non-turbo. I think that knowing this may help.

The thing that I don't get is that my stock RB20DE is 8 7/8" across which is the same as the 300zx non-turbo and the one they sent is 9.5" which makes it OBVIOUSLY the wrong clutch but Jimmy still won't admit that it is. Can anyone help?
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#23 Old 06-06-2005, 08:25 PM
 
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Quote:
Originally Posted by kouki-gymkhana
Third, I think it's going to be a nightmare in the snow! Even starting in 2nd gear is going to be tricky since it'll probably stall out before it slips well enough to move off smoothly without spinning the rears.
I drove my car around in the snow with the rb this year and I had zero traction promblems unless I wanted there to be some

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