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1966 F100 mounted on a 1979 F150 4x4 frame. This is how the PO connected the brake push rod to the pedal. Does anyone know if the rods are removable and can be customized to work? NAPA NBB 503703 Replace brackets also?
i know the push rod comes with the booster, i am not sure how it is connected inside, i think it is a ball/socket type assembly. The manual setups I seen (without any booster) were attached this way. The mounting bracket between the booster and the outer wall of the cab will NOT come with the booster. I am not sure why the PO did what the picture shows??? unless it was broken
I can't tell for sure by the photo but, it appears the eyelet on the booster input rod is curved at the end --in the correct configuration, the curve of the eyelet should be pointing downward. There were numerous revisions that occured with the brake boosters on the trucks in '78/'79.
No photo of the booster/booster mounting brackets was shown but, I suspect the bracket is angled and that the booster and MC slope upwards on the firewall. If so, this setup had a revised pedal ratio (lessened mechanical advantage), since boosted brakes don't need as much mechanical leverage as manual brakes.
There were brake pedal supports that had the brake pedal pivot point moved closer to the firewall for the curved input rod to connect to the side of the brake pedal.
It appears the extension was added to the booster input rod in order for it to connect to the brake pedal. This is also causing a severe angle on the pushrod that would be side loading the primary piston on the MC, when the brake pedal is pushed --the rod should be parallel to the MC and the rod should push straight into it, not at an angle.
The brake pedal/pedal support doesn't seem to be the correct one for this booster/booster mounting bracket arrangement and is why the eyelet does not connect directly to the brake pedal.
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