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Re: Dual master cylinder conversion
Date: February 26, 2012 06:12PM

I agree, that is a much nicer way to install the dual M/C.
Here is the way Chevrolet did it in the 100 original Yenko Stingers.



Photo scanned from an older issue of "Communique"
That M/C is a 1966 Cadillac unit. The only GM car that had the dual circuit M/C available in 1965/66.
I bought a rebuilt one online that will be installed in my Corvair.



Dan Davis - Seattle ~ CORSA Western Director + Corvairs NW + North Cascades Corvairs + Corvanatics
1966 Corsa Turbo coupe ~ ~ 1966 140 Corsa ~ 65 Monza 140/4 'Vert Sierra Tan/Fawn (my current driver!!)
~ 1964 Monza 'Vert ~ 65 Monza 140/4 Evening Orchid w/ ivory/black int ~ 1962 Monza Wagon 102/4
1963 Rampside/Scamper ~ 1963 Red/Greenbrier ~ 1969 Ultra Van #468

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Re: Dual master cylinder conversion
Posted by: Johnniespeed ()
Date: February 26, 2012 06:56PM

This is for Jimmyo, since I cannot attach a pic to a PM.
It is a dual master cylinder set up on a FC. Also converted to hydraulic clutch.

John

1962 Rampside
Powered by Injected Vortec 4.3

Sunny Suburban Sparta Michigan.




Edited 1 time(s). Last edit at 02/26/2012 06:57PM by Johnniespeed.

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Re: Dual master cylinder conversion
Date: February 27, 2012 04:06AM

The older looped desinhg line we used to use was replaced by a manufactured short line. Looks even better now.

Lon
www.corvairunderground.com
ON SALE UNTIL FEB 29TH
[www.corvairunderground.com]

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Re: Dual master cylinder conversion
Posted by: gwydionjhr ()
Date: February 27, 2012 05:41AM

My suggestion...

-'68 Chevelle Drum/Drum Non-power MC
-1 Corvair bulk head fitting (so it matches the existing one)

Fab the rest as you see fit and safe.

Regards,
Joel Rushworth
1961 Rampside w/Deluxe Scamper Camper
1966 Corsized Cdn Monza Coupe
1967 UV #292
"Kick the Hell out of the Status Quo" - Ed Cole

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Re: Dual master cylinder conversion
Posted by: 66vairman ()
Date: February 27, 2012 05:02PM

Heres a pic from the inside of my car showing how the extra "T" for the rear brakes, next to the original "T" makes moving the line to the rear brakes a very minor change. With the Clark's kit they recommend bending the line to the rear brakes 90 degrees - not a good idea.

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Re: Dual master cylinder conversion
Posted by: Jamison82 ()
Date: February 27, 2012 05:32PM

I'm curious to know what's wrong with a 90degree bend? What advantage comes with the T

Jamison
1965 Corsa Convertible - Fixer Upper
Glendale, CA

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Re: Dual master cylinder conversion
Posted by: 66vairman ()
Date: February 27, 2012 06:05PM

Jamision - With the correct tools, and some room to work in, making a 90 degree bend is fine. But working in the cramped area under the dash usually results in the inexperienced "kinking" the brake line. Then you've got to replace that long main line all the back to the rear of the car. Not bad if you have the drivetrain and heating duct out of the car.

Another thing I don't like about the Clark's LM routing is the rear line is exposed in the trunk to objects like luggage, tools, etc.

As you can see from the pics in this post, folks like to route the lines so the master cylinder projects in front of the lines to protect them.

Clarks' is aware of the criticism regarding their line routing on LM cars , but I suppose they have existing kits they have to sell. Hopefully someday they will revise their kit to the way most folks are doing them now.

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Re: Dual master cylinder conversion
Posted by: Jamison82 ()
Date: February 27, 2012 07:36PM

That makes sense thanks

Jamison
1965 Corsa Convertible - Fixer Upper
Glendale, CA

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