I turned the booster upside down and flipped the mc. I did not have to
reinforce the firewall and it will stop on a dime.I used a mc and prop valve
from a '76 grand prix I think.
----- Original Message -----
From: joe <firstname.lastname@example.org>
To: Brian m <email@example.com>
Sent: Saturday, May 06, 2000 7:57 PM
Subject: Re: [oletrucks] master cylinders
> As long as you bolt the unit up to the firewall and extend the swing pedal
> support bracket to mount to the dash to distribute the brake pedal
> you really don't need an additional plate on the firewall.
> I solved my leaning master cylinder problem by making up a spacer bushing
> place between the booster and firewall to level the master cylinder. I
> would recommend against mixing the firebird and Camaro components.
> The proportioning valves are setup for the weight characteristics of the
> cars and sometimes its better to just remove it and start from scratch.
> that I mean you check to see if the residual pressure valves are located
> the master cylinder outlet ports by pushing something inside the small
> outlet port to feel the spring loaded valve. If they are their, you'll
> need to purchase and install a 10 lb aftermarket residual valve on the
> going toward the front brakes (because it only has a 2 lb valve for the
> brake from the factory). You'll then have the correct pressure at all the
> wheel cylinders.
> If after driving the truck you have unequal braking (back brakes locking
> before the front) you can purchase an adjustable proportioning valve and
> install it in the rear line.
> All you have to do for the mechanical brake light switch is check to see
> which two wires pass current when the switch is depressed and wire it into
> the electrical system as before.
> I installed a firewall mounted power brake unit in my 1950 Chevy with the
> adjustable proportioning valve and residual valves two years ago and
> had a single problem.
> Joe Garcia
> 1950 Chevrolet 3100
> Yuba City, Ca
> ----- Original Message -----
> From: Brian m <firstname.lastname@example.org>
> To: <Passnb4U@aol.com>; <email@example.com>
> Sent: Saturday, May 06, 2000 2:25 PM
> Subject: Re: [oletrucks] master cylinders
> > hi all
> > well, i went to pick-in-pulls half off day today. got a power booster,
> > assy. and master cylinder from an 85 camaro. but becuase the M/C is at
> > an angle, i also got a M/C from a 77 firebird. both have proportioning
> > valves (are they needed if im useing 4 drums?) ive held it all in place,
> > from the way it looks, it should fit perfectly. the pedal hangs to about
> > where the stock pedal is (but a lil more to the left, as the arm is on
> > left side of the colume) and the booster and M/C line up nice on the
> > side, the lower left hand bolt on the dash support looks like it will be
> > used to hold one of 4 courners of the M/C and pedals up. is this a good
> > idea? what about this plate on the motor side? welding it up is no
> > as i have access to welders. but id rather not weld if i dont have to.
> > i got a brake light switch that works mechanically, and it has 4 wires
> > it, im assuming 2 are for the brake lights, and 2 are for cruise
> > but which is which, all i remember of the colors are that one swtich is
> > and orange, and the other two are some other colors i forget.
> > thanks,
> > Brian
> > Atwater, CA
> > '57 chevy 3200
> > oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959