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Tips on what master cylinder to get


turbogrill
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Hi

 

Need a aftetmarket MC for my car. Its unassisted brakes using oem pedal setup (so no dual singel master cylinders). Car is about 2750 race weight and has wilwood all around with larger pistons in front and a proportion valurle to the rear.

 

Either looking at single master for all 4 calipers or a tandem style. 

 

1. Who else besides Wilwood makes good tandem MCs for aftermarket?

 

2. Cost advantage with single MC for all calipers vs tandem is very small, why go single? (Chasebay kits do this). 

 

3. Anyone have a had experience with these, and whats the difference in the models (besides the bore)?

https://www.wilwood.com/MasterCylinders/MasterCylinderProd?itemno=260-13375

https://www.wilwood.com/MasterCylinders/MasterCylinderProd?itemno=260-8794

 

4. When going unassisted, is there anything to think about in terms of MC design?

 

Thanks!

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Master cylinder bore diameter is what sets the hydraulic ratio, and I think Wilwood can help select the right one(s) to get you in the ballpark.

 

I have several new Wilwood masters sitting on my shelf left over from dialing in the pedal effort and travel of hydraulic clutch and dual master brake systems.

 

If you're going to use an adjustable proportioning valve with a tandem master, I'd recommend this one:

https://www.wilwood.com/MasterCylinders/MasterCylinderProd?itemno=260-8420

 

Much less chance of getting the bias set wrong, and each driver can accurately and quickly set it to what they feel comfortable at when they hop in.  

Edited by mender
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3 hours ago, mender said:

Master cylinder bore diameter is what sets the hydraulic ratio, and I think Wilwood can help select the right one(s) to get you in the ballpark.

 

I have several new Wilwood masters sitting on my shelf left over from dialing in the pedal effort and travel of hydraulic clutch and dual master brake systems.

 

If you're going to use an adjustable proportioning valve with a tandem master, I'd recommend this one:

https://www.wilwood.com/MasterCylinders/MasterCylinderProd?itemno=260-8420

 

Much less chance of getting the bias set wrong, and each driver can accurately and quickly set it to what they feel comfortable at when they hop in.  

 

I have the knob style, no presets. Should have gotten lever style maybe.

 

Do you what the difference is between the ones with plastic container vs solid aluminium is?

 

Something tells me their aluminium ones are for people that want a nice looking MC in their 60s mustang. 

https://www.wilwood.com/MasterCylinders/MasterCylinderProd?itemno=260-13375

Vs

https://www.wilwood.com/MasterCylinders/MasterCylinderProd?itemno=260-8794

 

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1 hour ago, turbogrill said:

 

I have the knob style, no presets. Should have gotten lever style maybe.

 

Do you what the difference is between the ones with plastic container vs solid aluminium is?

 

Something tells me their aluminium ones are for people that want a nice looking MC in their 60s mustang. 

https://www.wilwood.com/MasterCylinders/MasterCylinderProd?itemno=260-13375

Vs

https://www.wilwood.com/MasterCylinders/MasterCylinderProd?itemno=260-8794

 

Same here, should have gotten the lever style for the Fiero. I'll be updating that.

 

Yes, shiny parts under the hood! Plastic is lighter...

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