Quote:
Originally Posted by LockDoc
The '69 - '72 parking brake pedal bracket uses 3 of these 5/16" flange nuts. Two on the studs that hold the bracket to the firewall and one on the 5/16" bolt with small integral washer that attaches it to the bottom of the dash.
I think the engine compartment heater box might use a couple of the 1/4 -20 flange nuts.
LockDoc
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Nailed it.
My heater box didn't use any, it took speed nuts instead. My LH front hanger had them, not sure if that's factory, doesn't seem right. Same as for the condenser on my other truck, strikes me as wrong, they were only on top.