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-   -   Heavy Duty Clutch Master Cylinder (https://www.rx7club.com/2nd-generation-specific-1986-1992-17/heavy-duty-clutch-master-cylinder-382554/)

West TX RX-7 01-04-05 03:17 PM

Heavy Duty Clutch Master Cylinder
 
Where can I get one. New HD plate is tough and is going to blow out the seals I fear on the stock Clutch Cylinder. Anyone know of a place that sells HD cylinders?

RotaryWeaponSE7EN 01-04-05 03:24 PM

Try using the FD unit or cylinder. I've heard of a few people doing that.

West TX RX-7 01-04-05 04:08 PM

FD cylinder that much stronger?

RotaryWeaponSE7EN 01-04-05 06:32 PM

Not really sure u could try searching for the thread, I dont really remember it that much. In my car I have a ACT 6puck with their HD pressure plate. It did kill my original master cylinder pretty quickly. I called Chris at rx7.com and he told me a ss clutch hose would help and being easier on the clutch. Mainly in traffic, my car being a daily driver.

West TX RX-7 01-04-05 09:21 PM

Hmmm I have a SS clutch hose so maybe it will last. Not gonna hold my breath though, hehehe, i like to have a backup plan at the ready.

RETed 01-04-05 09:41 PM

No such thing...
Use a stock rubber hose - this keeps the cylinders from failing from heavy PP's.



-Ted

West TX RX-7 01-05-05 09:24 AM

Damn Ted thats not what I wanted to hear. Not worth a doodoo. :(

Mark'sMazda 01-05-05 04:04 PM

dont use the stock rubber hose.

I have a wilwood master clutch cylender..it's still in the box, so i cant comment on how well it does or doesn't work yet.

It's a common "upgrade" w/v8 fc's.

TwistedRotors 01-05-05 04:47 PM

FD and FC master cylinders use the same seals, so I don't think throwing an FD cylinder in there would help. For what it's worth I've put 20k miles on my master cylinder pushing an ACT HD PP and the S/S disc and have no problems so far.
-John

Silverfc88 01-05-05 05:08 PM

The ACT HD pp with street disk blew out my seals on my master cylinder within two weeks. I ordered a new master cylinder and slave from Nopionline.com and haven't had a problem with them in about a year daily driven. I think they are made by Tokico and where about 60 for the set.

RotaryWeaponSE7EN 01-05-05 05:09 PM

Yeah i was gonna say ever since I replaced mine (113k miles on original), I put in the ss clutch hose and have had no problems.

RETed 01-05-05 08:05 PM


Originally Posted by Mark'sMazda
dont use the stock rubber hose.

Why not?


-Ted

West TX RX-7 01-06-05 11:49 AM

Well guess I'll just wait and see. If it blows I'll check into that wilwood. Had thoughts of the selling the engine anyway and going with a V8. Dunno though.

RotaryWeaponSE7EN 01-06-05 12:49 PM

What! Dont sell that motor, that thing is awsome. If u put a v-8 in that car I will drive down there and slap u for it. I love that vid of ur car. Please dont do that.

West TX RX-7 01-06-05 01:07 PM

LOL Just a thought I've had. Your right the engine is bad ass. Have a guy here with a 94 GT though he just put on a T66 and is laying down 540hp 589tq at 10psi. Man thats some power. I'll smoke him on a course but he'll smoke me on the straight.

Mark'sMazda 01-06-05 05:23 PM

ted, because you can use the Willwood MC, it wont blow out. The braided line being stiffer, will give slightly better pedal feel.

RETed 01-06-05 08:56 PM

Does "better pedal feel" give you "better performance"?


-Ted

Mark'sMazda 01-06-05 11:49 PM

no it doesn't, however i like my car to feel as solid as possible.

btw-the wilwood's stroke is shorter, and bore is larger. Meaning you have less clutch travel, making faster shifting possible.

West TX RX-7 01-07-05 03:59 PM

Where can a person buy a wilwood clutch cyclinder?

RotaryWeaponSE7EN 01-07-05 05:35 PM

http://www.wilwood.com/Products/006-...VAMC/index.asp

Mark'sMazda 01-07-05 09:08 PM

hmm, that's not the one i have, mine has the stock mc's footprint, and has a remote res.

my friend bought it from granny's speed shop. he never put it in, and needed some coin, so i bought it from him.

The Griffin 01-07-05 10:31 PM


Originally Posted by RETed
Does "better pedal feel" give you "better performance"?


-Ted

Not sure, but would be nice to have near stock pedal pressure on a heavy duty pres. plate.

RotaryWeaponSE7EN 01-08-05 09:03 AM

They had more choices, I just linked the closest thing.
http://www.wilwood.com/Products/006-...ders/index.asp

89t295k 08-16-05 03:41 AM

Gotta say it....The stock rubber line acts as a spring in the system, it still pushes just as hard with stock or ss lines-----the ss is just faster.


I however, felt my master going out on the stock one and have put on the ss line and am looking for a better MC too. It shifts faster...but I still can't hold it in for more than 5 sec.(what she said-haha.)


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