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Author Topic: rhd clutch master idea #2 ;p  (Read 2719 times)

Offline zeeshan

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rhd clutch master idea #2 ;p
« on: May 28, 2012, 12:19:13 AM »
So i'm thinking of mounting the clutch master in the position shown in the pictures. I'll make a bracket for it. The clutch master I'm showing in the pics is just the GTO one. I ordered a wilwood 7/8" bore clutch master that i'll be using. Do you guys see any problems happening in this position? It clears the pedal, the lines are easy to run to.


Offline ukv8fd

Re: rhd clutch master idea #2 ;p
« Reply #1 on: May 28, 2012, 08:09:11 AM »
Just check you have enough throw and the MC clears under the dash, looks a good idea if both of the concerns can be met. Keep us informed.

Offline zeeshan

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Re: rhd clutch master idea #2 ;p
« Reply #2 on: May 29, 2012, 10:57:21 PM »
okay so here is what i did. first i removed the spring on the clutch pedal assembly. the wilwood 7/8" master has an internal return spring. now there is a half-moon hole there that needs to be filled. the pedal is aluminium. i made a spacer on the lathe of the right width to fit into the u-hook. i welded this one to the oem pedal. make sure to remove the plastic bushings, you don't want those melting. the first picture shows the end result of this work.

next you have to make a bracket that welds onto the stock pedal assembly. the second and third picture give an idea how the master is mounted.

i also welded 3/4" spacers to space the pedal assembly away from the firewall. i don't have a picture of this.

the end result is no god-damn clutch master banging the right side head and the pedal at the right height. the last two pictures show this.

with this configuration, you can run a full 1.1" stroke at 7/8" bore. it's a lot of fab work, but i think it's the best way to go for proper clutch disengagement.

Offline digitalsolo

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Re: rhd clutch master idea #2 ;p
« Reply #3 on: May 29, 2012, 11:36:16 PM »
Very nice work.   How big of a PITA is that going to be to bleed?
Blake MF'ing McBride
1988 Mazda RX7 - Turbo LS1/T56/ProEFI/8.8/Not Slow...   sold.
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Offline zeeshan

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Re: rhd clutch master idea #2 ;p
« Reply #4 on: May 30, 2012, 12:28:00 AM »
thanks man. it wasnt too hard, i got a speed bleeder line. i just kept pressing the pedal till no air bubbles showed up

Offline Gunnytron

Re: rhd clutch master idea #2 ;p
« Reply #5 on: May 30, 2012, 01:08:32 AM »
Looks like a good plan. Have you driven it like that yet?

Do you knock your foot against it at all?
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FD, LS1 running 220 3.90 Trickflow heads, Comp Ultra-gold Arc 1.72 Rockers, 7.550 BTR Pushrods, BTR Stage II NA Cam 227/234 .614"/.576" 113+2, ARP Head Bolts, BTR Platinum Springs, Ported FAST 90, NW 90mm TB, FAST 60lb Injectors, Textralia Clutch/Flywheel, T56, Cobra 8.8, 31 spline, trac-loc 3.55 Diff, Holley HP EFI, Racelogic TC.

Offline SkEdY

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Re: rhd clutch master idea #2 ;p
« Reply #6 on: June 01, 2012, 02:49:53 AM »
nice work. im currently building another v8 fd and the clutch pedal is first on my list to get done and done properly

ive had this idea before but never followed through because i didnt think there would be room
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Offline ukv8fd

Re: rhd clutch master idea #2 ;p
« Reply #7 on: June 01, 2012, 03:02:36 AM »
Did you sort out your clutch pumping up issue?

Offline zeeshan

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Re: rhd clutch master idea #2 ;p
« Reply #8 on: June 03, 2012, 02:18:52 AM »
i test drove the car today. the master is offset from the pedal so when i lift my foot even aggressively (ricer haha), i don't hit the clutch master. pedal is a little bit stiffer than stock, but this was expected with a 7/8" clutch master.

Offline zeeshan

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Re: rhd clutch master idea #2 ;p
« Reply #9 on: June 28, 2012, 11:17:44 AM »
update: been driving like this for 4000km with no problems! woohoo! clutch engagement problems solved :D

Offline Gunnytron

Re: rhd clutch master idea #2 ;p
« Reply #10 on: October 26, 2012, 07:54:57 AM »
Few questions:

1 - This still going strong?
2 - how do you know that you are getting the full 1.1 travel? Is coincidence that the leverage On the contact point just happens to be perfect?
3 - why did you choose wilwood over AP, Tilton etc?

Cheers
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FD, LS1 running 220 3.90 Trickflow heads, Comp Ultra-gold Arc 1.72 Rockers, 7.550 BTR Pushrods, BTR Stage II NA Cam 227/234 .614"/.576" 113+2, ARP Head Bolts, BTR Platinum Springs, Ported FAST 90, NW 90mm TB, FAST 60lb Injectors, Textralia Clutch/Flywheel, T56, Cobra 8.8, 31 spline, trac-loc 3.55 Diff, Holley HP EFI, Racelogic TC.

Offline zeeshan

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Re: rhd clutch master idea #2 ;p
« Reply #11 on: November 08, 2012, 01:02:33 PM »
It's still going strong. I put about 10000km on the car over the summer. Why wildwood? Cheap and compact. The clutch master cost me $75. I measured the stroke of the master with a caliper