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FE-FC Holden Discussion Forum > Technical Board > Modification Help (Moderators: RET, Glenn 'Stinky' Stankevicius, gp) > Clutch hydraulic ratio
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Author Topic: Clutch hydraulic ratio  (Read 3191 times)
FC427
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« on: March 02, 2011, 10:41:28 PM »
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Has any one played with the hydraulic ratio between the master cylinder and slave cylinder on there FE FC to make it lighter  Huh Huh Huh Huh this is not relevant to a standard small clutch  but with my new blown engine i need a fair amount of clamping force to cope with the torque .....FC427.....
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As I lay rubber down the street I pray for traction I can keep, but if I spin and begin to slide please dear god protect my ride
way66
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« Reply #1 on: March 02, 2011, 11:38:19 PM »
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Hello
what clutch fork are you running , I had a HR with a brass button clutch & i kept on bending standard  Holden  M20 & M21 forks i had one made up  , I think my master cylinder had a slightly smaller cup in it ,
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FCRB26
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« Reply #2 on: March 03, 2011, 05:04:54 AM »
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Modify a nissan patrol or skyline boosted clutch maybe they are very small in diameter and run on vacuum like you brakes???



 Cry
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Maco
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« Reply #3 on: March 03, 2011, 07:25:20 AM »
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Mark,

I think an EJ Slave cylinder is larger in diameter, I stand to be corrected.

Cheers
John
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FC427
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« Reply #4 on: March 03, 2011, 08:01:09 AM »
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Quote from: Maco on March 03, 2011, 07:25:20 AM
Mark,

I think an EJ Slave cylinder is larger in diameter, I stand to be corrected.

Cheers
John
Hi John EJ to HK has a different slave cylinder to FC   but may be a source for a piston Thanks ....FC427....
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As I lay rubber down the street I pray for traction I can keep, but if I spin and begin to slide please dear god protect my ride
ratbox
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« Reply #5 on: March 04, 2011, 09:15:14 PM »
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have you thought of maybe trying to do a cable setup, i know nothing about this car but noticed it on ebay and would say looking at the firewall somebody has done it
http://cgi.ebay.com.au/HOLDEN-EK-UTE-/280638693862?pt=AU_Cars&hash=item41575ea1e6
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