1963 Dodge Dart 270 Convertible for the Wife
The '73 'ish booster/master cylinder I got of eBay last week is boxed ready to go to Booster Exchange. The master cylinder was the factory original and after a bit of work with the bead blaster it is in excellent shape. The bore is spotless so just a little clean up she is good to go. Make sure all the crap is out of the pockets and the small 0.040" ish holes are clear to allow fluid to get into the bore. The residual check valve only goes in the drum brake (rear brakes) outlet. Its job it to be a check valve so it holds 10 lbs of line pressure in the line to keep the drum springs tight and reduce peddle travel before engaging. Above 10 lbs the spring is over taken and the rubber seal moves off the brass seat. Nice having all the same parts across the cars. Had a rebuild kit "in stock" so it is rebuilt ready to install. Many warnings about the 1 1/32" master cylinder in the SSBC kit. The original is 15/16" and will deliver more PSI with the same pressure so this was one reason to do it. The other is I like it to look like original Chrysler parts under the hood...
The '73 'ish booster/master cylinder I got of eBay last week is boxed ready to go to Booster Exchange. The master cylinder was the factory original and after a bit of work with the bead blaster it is in excellent shape. The bore is spotless so just a little clean up she is good to go. Make sure all the crap is out of the pockets and the small 0.040" ish holes are clear to allow fluid to get into the bore. The residual check valve only goes in the drum brake (rear brakes) outlet. Its job it to be a check valve so it holds 10 lbs of line pressure in the line to keep the drum springs tight and reduce peddle travel before engaging. Above 10 lbs the spring is over taken and the rubber seal moves off the brass seat. Nice having all the same parts across the cars. Had a rebuild kit "in stock" so it is rebuilt ready to install. Many warnings about the 1 1/32" master cylinder in the SSBC kit. The original is 15/16" and will deliver more PSI with the same pressure so this was one reason to do it. The other is I like it to look like original Chrysler parts under the hood...