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08-25-2009
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#1 |
 
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
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Clutch pedal effort
How stiff is your clutch pedal, I just replaced the Cyl/Slave in the 90 and its got decent pedal pressure, not too fun in heavy traffic, while the 21K mile 92 has a new clutch but original Hyd system is pretty easy to push in.......wondering what you are experiencing. I am going to bleed the 92, but wondering if I should replace the slave? Any possibility the T/O bearing failure could be related to the hyd system?
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 |
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08-25-2009
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#2 |
 Join Date: Oct 2008
Location: Colleyville, TX
Posts: 272
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Re: Clutch pedal effort
Just changed the master and slave on my clutch last weekend. Moderate pedal effort, not hard at all. If the pushrods don't line up correctly, I understand that can increase pedal effort. Good luck
Jim |
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08-25-2009
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#3 |
 
Join Date: Dec 2004
Location: Jacksonville, FL USA
Posts: 4,645
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Re: Clutch pedal effort
Okay, my replacement set up has about 25k on it and it was always a fairly high effort. Actually the effort seems to be fairly constant from the OEM stuff right thru my replacement stuff.
Yes, for sure not much fun if I get caught in B to B in metro/NYC type stuff. I read somewhere that the effort is 80 lbs on the pedal....just can't remember where I read that. I remember thinking, that's a fairly high effort with a hyd assist! My 72 LT-1 had an 80 lb effort with a staright mechanical linkage for the clutch. I can't imagine what our cars would feel like if we had no hyd assist!  Tom
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1990 ZR-1, Black/grey, #2233, stock. ZR-1 Net Reg Founding Member #316 & NCM member |
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08-28-2009
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#4 |
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Join Date: Jan 2004
Location: Portland, OR
Posts: 1,057
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Re: Clutch pedal effort
Same thing happened to me when I replaced the clutch master and slave, pedal effort went up quite a bit. Hmmm....
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Robert ZR-1 Net Registry Oregon State Director 91 ZR-1 #431 Black/Black LPE 368 |
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08-31-2009
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#5 | |
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Join Date: Mar 2006
Location: Portsmouth, VA
Posts: 245
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Re: Clutch pedal effort
Quote:
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09-01-2009
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#6 |
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Join Date: Dec 2004
Location: Jacksonville, FL USA
Posts: 4,645
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Re: Clutch pedal effort
Okay, so what conclusion can we draw from this informal research survey?
When I r&r'ed my stuff I did it because the M/C rear seal leaked at about 12k miles. I know that my car sat more than wnet anywhere. In 14 yrs the O.O. put 7400 miles on her. I put 5 k on it the first yr I had it. Before it leaked my pedal effort was high, and now with new stuff it's still high. Do we conclude that the wear over long usage makes for less pedal effort due to a by-passing effect from wearing out the seals? Tom
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1990 ZR-1, Black/grey, #2233, stock. ZR-1 Net Reg Founding Member #316 & NCM member |
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09-01-2009
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#7 | |
  
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,155
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Re: Clutch pedal effort
Quote:
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GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director  91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V Last edited by GOLDCYLON; 09-01-2009 at 12:13 PM. |
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09-01-2009
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#8 |
Join Date: Aug 2008
Location: Houston 90 Red ZR-1
Posts: 2,320
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Re: Clutch pedal effort
Mmmm! That's strange. I've never noticed an unusual amount of preasure needed to push the clutch peddle down. Unless of course you've got chicken legs.
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09-02-2009
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#9 |
Join Date: Sep 2006
Location: lone pine and mammoth lakes
Posts: 1,407
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Re: Clutch pedal effort
unless your new beard has made you sampson
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09-02-2009
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#10 |
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Join Date: Aug 2008
Location: Houston 90 Red ZR-1
Posts: 2,320
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Re: Clutch pedal effort
Not anymore. Vickie persuaded me to shave it. Back to the clean cut woosie man look.
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