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Napa sold me the older skinny drums and shoes but from what I can gather my truck should have the wider setup.
Also I didn't get automatic adjusters in my spring kit. What are the chances my old ones can still be used? I heard they developed some sort of kit to update the adjusters. Anyone know what it does?
The barrel and star adjuster wheel itself right? So long as they are not corroded and turns freely. There is one stripe on L/H and two stripes on R/H if memory serves which it often doesn't, don't mix them up anyway.
OEM seem heavier and more substantial, with finer threads than the kit replacements anyway. The ersatz parts kinda scare me sometimes. Don't know about any improvements. Just clean threads thoroughly and use plenty of anti-sieze.
The counter salesman said I had the early drums but the LMC catalog says different. I'll be able to pull a drum and measure in the next couple days. I'm just trying to get the parts lined up early because they have to order from their warehouse. My main concern is the automatic adjuster, with rust wear I doubt mine are any good.
The counter salesman said I had the early drums but the LMC catalog says different. I'll be able to pull a drum and measure in the next couple days. I'm just trying to get the parts lined up early because they have to order from their warehouse. My main concern is the automatic adjuster, with rust wear I doubt mine are any good.
Check out "A" and "B" below.
Here's a relevant post from NumberDummy. No mention in any of his posts that I can find of those other series numbers (260,000 and 684,001) so not sure what that might be about. But, like he says, drums are not listed separate from the hubs so no way to really know much more.
That was a good link. Unfortunately I have Napa drums part #440-1043 and I think I will need part #440-1133. I'll head to Napa and order the right ones.
Also I see it's much more of a job pressing out the studs than I had anticipated. That's why I like this forum, I can be prepared before I have it torn apart.
My newest snag is the master cylinder. I ordered one for a 67 F100 and it arrived a couple days later. The reservoir closest to the firewall is much bigger than the other one and read on here that it means it's for disk front drum rear. I bench bled it and mounted it, I'm getting ready to bend new lines. How will this effect my braking. Will the rear brakes engage too hard compared to the front?
Why not order and install, the correct Master cylinder? If you plan on using the drum/drum brakes setup then use a drum/drum master cylinder. Not trying to beat up on you here, just pointing out some issues.
The rear reservoir on a disc/drum dual master cylinder is for the front brakes. Drum/drum systems also have no proportioning valve, other than the difference in wheel cylinder bore size. Front brakes provide for roughly 70% of the total stopping power.
I'd expect (don't know for certain) that the front drum brakes may well lock up tight during even light braking in this type of arrangement. Drum brakes when properly setup and in good order are "self-energizing" and work pretty well.
Disc brakes however don't have that feature and need higher pressure, hence the larger reservoir for the front axle. Maybe this will all work out OK, but that's not the way to bet.
08-07-2015, 03:53 AM
