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Help need with Ram install

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Old Jan 8, 2004 | 09:37 AM
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Default Help need with Ram install

I just installed a 6130 with a 402 Pressure plate and the thing will not disengage. I have about a millimeter of play in the pedal at the floor before engagement. But at the light the car will creep. I now know that I need an adjustable master cylinder, as I only have an 02 stock with the drill mod. One question, would the stock cylinder work if I made it adjustable, or do I need to physicially buy a McLeod that pushes more fluid?
Jonathan Hays

Last edited by Twister; Jan 8, 2004 at 11:34 AM.
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Old Jan 8, 2004 | 10:22 AM
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You need the Mcleod cylinder..
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Old Jan 8, 2004 | 11:35 AM
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After reading your response, I heard a cash register ring in the background..SHOOT!

Any good lines on were to pick one up for a good price?
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Old Jan 8, 2004 | 12:52 PM
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Honestly, it sounds like you've got air in your hydraulics.

There's no 'magic' with an adjustable system. It only allows you to adjust the point where the pedal sits. If your pedal comes all the way up, yet the clutch is engaging just off the floor, it's obvious that you're not pushing the throwout bearing far enough. That's what happens when air gets in the system.

It's not difficult to make your stock master "adjustable". I've got a stock adjustable master running my Ram VDS 910. It merely adjusts the resting spot of the pedal. Mine is fine, though I am upgrading to the McLeod so that I can guarantee full disengagement at 7000+ RPMs.

If your pedal isn't coming all the way up, you need to make it adjustable so that it can. You can do this simply - with a die (to thread the master's rod), a threaded tube, and a couple of nuts. That's all the adjustable master is. Cut the rod an inch from the pedal end, thread both sides about 3/4" in, use the threaded tube to hold the two pieces together, and use nuts to jam them and lock them in place. No real need to spend $250+.

-Andrew
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Old Jan 8, 2004 | 04:15 PM
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Was under the impression the McLeod moved more fluid, there by pushing the Slave further. I have to Stand (no joke) on the pedal in order to get it to disengage fully. Pain in traffic!


Originally Posted by Camaroholic
Honestly, it sounds like you've got air in your hydraulics.

There's no 'magic' with an adjustable system. It only allows you to adjust the point where the pedal sits. If your pedal comes all the way up, yet the clutch is engaging just off the floor, it's obvious that you're not pushing the throwout bearing far enough. That's what happens when air gets in the system.

It's not difficult to make your stock master "adjustable". I've got a stock adjustable master running my Ram VDS 910. It merely adjusts the resting spot of the pedal. Mine is fine, though I am upgrading to the McLeod so that I can guarantee full disengagement at 7000+ RPMs.

If your pedal isn't coming all the way up, you need to make it adjustable so that it can. You can do this simply - with a die (to thread the master's rod), a threaded tube, and a couple of nuts. That's all the adjustable master is. Cut the rod an inch from the pedal end, thread both sides about 3/4" in, use the threaded tube to hold the two pieces together, and use nuts to jam them and lock them in place. No real need to spend $250+.

-Andrew
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Old Jan 8, 2004 | 09:58 PM
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Attached is a picture of a McLeod adjustable master.

Notice how the front piece (where you see my hand) is the adjustable portion. This adjusts the pedal height.

You are correct - the bore is larger than stock, and it will push more fluid. But I still think you have an air problem.

Where does your pedal sit when the clutch pedal is released? Is it all the way up?

-Andrew
Attached Thumbnails Help need with Ram install-mcleod.jpg  
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Old Jan 9, 2004 | 02:23 AM
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If you're lazy like me, you can buy a pre-modified stock master cylinder from ram for $166. Summit part number RAM-510 for F-body, RAM-515 for Corvette.
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Old Jan 9, 2004 | 06:52 AM
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Originally Posted by Camaroholic
Attached is a picture of a McLeod adjustable master.

Where does your pedal sit when the clutch pedal is released? Is it all the way up?

-Andrew
The pedal sits right where it should. There is pressure through out the pedal stroke. Engagement, you have to stand on the pedal, about an 1/8 inch from the floor. My leg is getting rather tired!
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