I have a bit of extra cash to go to my lady, my RX-7.



I will be replacing the clutch and want to upgrade with a lighter flywheel for a bit more zip in the mountains.



What recommendations have you guys?



Any place in particular to purchase a well built flywheel?



Good maker?



Experiences?





Any input would be appretiated.





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I was looking at this set up.





Flywheels



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I believe all light flywheels perform about the same.

I have a 12 lb steel flywheel with a copper/ceramic 6-puck clutch, and I shift gears just for the fun of it.

Pressing into an oblique right from 70 MPH with 4 double pedal downshifts in 150 ft is a blast.

The only thing I find tricky is medium starts in daily driving.



I assume you know you will also need a counterweight.



http://208.62.166.66:82/guest/pics/9...p/clutch17.JPG

Yes I was also considering Racing Beat's steel 17 LB flywheel. I want it lighter but not to light as to make it troublesome on the streets.



Racing Beat



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the aluminum flywheel isnt that bad on the street imo.

i like my steel flywheel, its what the car should have had stock.



the aluminum ones are fine on the street too.



stay away from the puck style clutches, they arent fun on a daily basis

How much dopes stock fc T2 fly weigh for comparisson? I would be down for this if the price is good enough to make it worthwhile.

i think it is like 24 pounds?



anyways go with the act flywheel

Lighter isnt always better. It depends on your application, what were you planning on doing with the car.

i have a super lightweight flywheel, came on my jspec, donno specs on it, i would say it's about 9.5lbs comparing it to my buddies 12 lb on, revs real fast and makes boost quick

Yhea my jspec came with a lite steel flywheel to, like 9.5lbs. just like yours reves fast, I love it. very streatable with stock clutch.





just like this one that was on ebay..





http://cgi.ebay.com/ebaymotors/ws/eBayISAP...item=7958308817





Gil

I didnt think they have gotten steel flywheels down to 9.5#s,then I seen that drilled monster on Ebay, lol

mine is steel for sure!!, my buddy has a Giken, LWFL lying around and mine was much thinner, and it is solid not drilled

s4 t2 = 28lbs!



s5 t2 = 24?



fd = 22

i thought the s4 t2's were 24 the s5 were 22 and the fd were 17??!?!?

[quote name='j9fd3s' date='Mar 13 2005, 01:14 PM']s4 t2 = 28lbs!



s5 t2 = 24?



fd = 22


[/quote]



errr....



I thought S5T2 were like 22 and the FD was 19 lbs. The fedex box said 18.67 lbs for the FD wheel when I got it. That is what I run on my S5T2.



I think the XACT pro-lite flyhweel from ACT is 9 lbs and it's steel

How well did they pack the box for the FW Jason? because i'm almost possitive it's 17, could the rest be packing material and such?

err... box + newpapers.



BTW group buy and 2nd gen rx-7s are mutually exclusive terms.

[quote name='fc3s4utnv' date='Mar 12 2005, 05:44 PM']Lighter isnt always better. It depends on your application, what were you planning on doing with the car.


[/quote]







I want to add a little mopre zip to my driving in the mountains. I beleive that steel Racing Beat flywheel fits me good. I still use my car as a daily driver.







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I have a Racing Beat 17 pound lightweight flywheel with an OEM clutch and pressure plate. I’m very happy with the results. My last clutch/pressure plate combo was a street strip variety whose manufacturer escapes me. My street/strip combo was crap. Engagement feel was lousy, the clutch springs were crap (felt like they were shocking my transmission into an early grave), and the pressure plate had less clamping force than OEM (I could slip in second at times). I pulled that clutch kit and used it “as is” in an auto to manual conversion. The current owner is happy with it (she was so happy to be done with the autobox that she would have been happy with anything). If I had to do it over again, I’d try the 12 pound RB flywheel. There is a point where a flywheel is too light, but I haven’t been there yet. Anyone have the 12 pounder?

12 lbs in a rotary with not much TQ any way you will have to rev the piss out of that thing to get it moving. I would stick to one of the heavier lightweights if I were you.

[quote name='RevRex-7' date='Mar 11 2005, 02:08 PM']Yes I was also considering Racing Beat's steel 17 LB flywheel. I want it lighter but not to light as to make it troublesome on the streets.



Racing Beat



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[/quote]



Don't bother with a 17lb



I went from OEM to 12lb, and, yes it made a difference, but anything weighing more than 12lbs is not worth the effort to remove that 54mm nut.

[quote name='fc3s4utnv' date='Mar 14 2005, 05:04 PM']12 lbs in a rotary with not much TQ any way you will have to rev the piss out of that thing to get it moving. I would stick to one of the heavier lightweights if I were you.


[/quote]



Have you ever had a 12lbs flywheel on your 7? Standing starts weren't that much different than my stock flywheel. And this is including a lot of starts on steep hills.

Whatever flywheel you go with, you may want to keep in mind that the way in which the flywheel is built is of much greater importance than the weight. If I had to do it again, I would go with a RB 12# rather than my 17#, but in either case, RB removes much of the weight at the outer edge of the wheel, where it makes a difference. The point being that it’s possible to buy a 12# flywheel that behaves like one weighing more than Racing Beat’s 17 pound unit.



You 12# guys, does the AC engaging at a stoplight create enough of a load to stall the engine?

get a racing beat 12lb. Its light enough that you will feel a real difference. Hill starts might be tougher, but its still doable. The 17, i personally think is still a little heavy, and any lighter is too much.

i have put over 6000 miles on my setup(check my sig) and can say it is very streetable but that is usually up to the driver.

I am still deciding what I should do. If I am to spend the money on a lighter flywheel I suppose I would want one that will make it worth my while.



A 12 pound flywheel sounds good. I have driven other cars (240 SX and Acuras)with lighter flywheels and I was able to accelerate from stops well enough. That was with engines with a little more low end torque response.



I am just afraid of my FC becoming non-street-able for DD.



Are there any other makers of 12 pound flywheels for N/A S4 s?



I am interested in what others have experienced with their flywheels in their RX-7s



BTW; I am going to be using a new OEM clutch set up.





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I say go all the way or dont bother.It will make the engine more responsive, thats the point. Its the heavy FW that saps power and response.



Its not so much the 12 lb FW that makes the car "unstreetable" Its more because people go with an agressive cluch setup.



I wouldnt use an oem cluch with a lightweight. Not only because your acelleration will be better, but you will also be slipping it more on a launch. There are good aftermarket clutches thet are still pretty tame. Go with Racing Beat 12LB.

racing beat aluminum one is nice b/c you have the replacement friction plate http://racingbeat.com/FRmazda2.htm

Yes that enthused me as well.





[quote name='RONIN FC' date='Mar 19 2005, 09:44 AM']I say go all the way or dont bother.It will make the engine more responsive, thats the point. Its the heavy FW that saps power and response.



Its not so much the 12 lb FW that makes the car "unstreetable" Its more because people go with an agressive cluch setup.



I wouldnt use an oem cluch with a lightweight. Not only because your acelleration will be better, but you will also be slipping it more on a launch. There are good aftermarket clutches thet are still pretty tame. Go with Racing Beat 12LB.


[/quote]



What clutch set up would you recommend?



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rev-rex: check the for sale section, Banzai has a slightly used flywheel AND clutch for sale cheap, I would jump on it

Im assuming for an N/A.I like mazdatrix because you can make different combinations to suit your setup. For stock N/a with minor bolt ons id go street strip with both pressure plate and disk.

The RB AL 12 lb flywheel is very streetable. I am "going over the edge" and installing a 5.25" Quatermaster twin-disc.

[quote name='Rob x-7' date='Mar 21 2005, 03:55 AM']rev-rex: check the for sale section, Banzai has a slightly used flywheel AND clutch for sale cheap, I would jump on it


[/quote]





Where I did not notice?



I am interested in that if is still for sale.



Thanks.



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sORRY, IT SOLD LAST NIGHT.... You guys missed a good deal, complete clutch and flywheel for the cost of the flywheel