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LWFW on the way


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LWFW on the way
kramermic
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#1

09-19-2007, 09:33 PM
I ordered the fidanza LWFW today. It should be here in the next week. I've been waiting to order it till i absolutely needed it and now is the time. My flywheel is shot. This should sum up the modifications i'm doing to this car until F.I. or simply upgrade the whole thing. Impressions to come soon
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Cloud9...68
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#2

09-20-2007, 09:19 PM
Just out of curiosity, why did you go with the Fidanza rather than the RS Barn unit? Nothing for or against either unit, just wondering...
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kramermic
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#3

09-20-2007, 10:08 PM
simply put...price.



I'm getting the Fidanza unit for nearly $600 less than the RS unit.
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Cloud9...68
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#4

09-20-2007, 11:45 PM
Wow! How did you manage that? The RS Barn unit is $879 on their web site, so you got the Fidanza for under $300? Was it new, or refurbished? In any event, we're all awaiting your impressions.
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PorscheDude
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#5

09-21-2007, 08:08 AM
I was going to get the RSB unit, but found a BIN Fidanza for under $300 on ebay. I am going to install mine pretty soon.

I need to pull my new clutch and PP so I can have the FW and PP balanced prior to installation.

If I do not like the vibes I will upgrade to the RSB FW or just put my new DMF back in.

This is an upgrade I am really looking forward to.
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kramermic
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#6

09-21-2007, 10:52 AM
It's new. I'm paying 300 for it.



This is my daily driver. With the H&R springs and Koni yellows, I already feel just about every bump. Mix that with the B&B (muffler only) and glasspack resonator my car so loud and rough riding I probably won't hear / or feel the vibrations of the lwfw. Keep in mind, this is also coming from a person who would be driving the race car daily if it had a tag and i could get 110 cheap and readily on the road.
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kramermic
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#7

10-16-2007, 03:43 PM
Well, the flywheel finally showed up last week. It was in production when I ordered it. I would say the quality is on par with other manufacturer's lwfw's I have seen for other cars. I am waiting for the clutch disk to come in so we're at a stand still right now. We're using the 944 s2 disk. Anybody else with this flywheel, what did you use?



I couldn't believe how heavy the stock dmfw is. This thing feels like it could weigh 30+ lbs. I thought somewhere i read that our flywheels were somewhere around 25 lbs. I'm going to weigh both later.



Needless to say, after just feeling the weight difference I'm really looking forward to this. It should be ready to go tomorrow.
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flash
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#8

10-16-2007, 04:31 PM
make sure you balance both the flywheel and the pressure plate - do not assemble them without that



what is different about the S2 disk?
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968workaholic
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#9

10-16-2007, 04:37 PM
The S2 disk is smaller in diameter and has a spring center. Im not 100% that it will work without a S2 flywheel.
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flash
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#10

10-16-2007, 05:02 PM
yeah - that's what i thought i remembered - almost positive we tried that - no go on fitment - can't remember though which feature was the problem on that disk - i looked at so many trying to figure this out
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kramermic
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#11

10-16-2007, 05:32 PM
We were just using it for the spring center.



I was just looking at it. It won't work. I guess we're going to get a regular 944 disk.



What did you guys use?
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Eric_K
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#12

10-16-2007, 06:11 PM
You can use a stock 968 disc, no problem. I run a Spec disc on mine.
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kramermic
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#13

10-16-2007, 08:14 PM
no problems with extra wear and tear without the spring center?
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flash
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#14

10-16-2007, 08:36 PM
the factory disk does not stand up well to the fidanza - 12lbs is very harsh when you shift quickly - i fragged mine at about 25k - coming out of turn 12 and onto the big straight at P.I.R. i banged from 2nd to 3rd at about 7.5k and blew it into tiny little pieces



i have a real fix in the works - should know all the details by tomorrow
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94 Midnight Metallic Blue Cab Porsche 968 w/deviating cashmere/black interior and WAY too many mods to list - thanks to eric for creating www.968forums.com



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(This post was last modified: 10-16-2007, 08:37 PM by flash.)
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kramermic
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#15

10-16-2007, 09:47 PM
after a little more research, i think we're going to try the 951 disk. It's the same diameter and should fit fine. We'll see tomorrow.



Flash, I'm interested in your fix as well. Let me know asap.
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flash
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#16

10-16-2007, 09:52 PM
i hope it isn't the rubber center disk - that won't even last as long as the 968 disk
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94 Midnight Metallic Blue Cab Porsche 968 w/deviating cashmere/black interior and WAY too many mods to list - thanks to eric for creating www.968forums.com



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kramermic
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#17

10-16-2007, 11:02 PM
no way. spring centered.
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Eric_K
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#18

10-17-2007, 12:03 AM
I doubt you will find a spring centered disk that will work with the fidanza. The bolt heads are in the same location as on the DMF and leave little room for springs. The solid disk doesn't really add any wear & tear. It just contributes to the gear rattle that usually comes when switching to a LWFW. The stock disc really isn't up to the task when tracked long & hard, even with the DMF. The fiber material breaks apart eventually.
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flash
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#19

10-17-2007, 10:33 AM
we looked at every spring centered porsche disk we could find a number for when trying to deal with this - none of them worked - either the disk was the wrong size, or the springs were in the wrong place, or they hit the heads of the bolts, or they hit the release bearing, or they didn't have the necessary centering tower.......



some of them did not show problems until you bolted everything up



that's why i have taken the course i have, and am working on coming up with a completely new disk - already did one prototype, and had to make some changes, but i won't know for sure that it is going to work until at least later today, and really not until we stick it in a car a couple of days later - it's VERY close, and a LOT of back and forth moving components, changing materials, and a few thousandths of an inch this way with one, and that way with another



i'll let everybody know as soon as we get it in a car and make sure nothing hits, AND it is better on the rattle than the stock disk
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kramermic
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#20

10-17-2007, 12:48 PM
We went through and measured everything today. With a slight modification to the bolts, the spring centered 944 turbo disk will work fine. Worst case scenario, we have 1/8th of an inch clearance.
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