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Triumph TR3 - Painting Parts

I'm about to paint my axle/differential, rear brake drums and plates, and hubs. I'm wondering whether to paint the mating surfaces of these parts; that is, is it advisable to paint the machined surfaces that bolt together? I noticed that the mating surfaces on my brake drums were painted, but I don't believe the surfaces of the hubs and axles were. Given the use of shims between the hub and axles, I can't imagine that painting those surfaces makes sense. What about the mating surfaces on the wire wheel hub adaptors?

I'm armed and dangerous with cans of POR-15, and I want to avoid a misstep that will be hard to undo.

Am I correct in painting those hubs?

Many thanks,

Bill (Picasso) Stagg
1960 TR3A
Bill Stagg

I had him spray paint everything, all apart, but on re-assembly I had to leave some of the 6-hole shims out. I didn't paint the insides of the drums or the shims. The paint is a bit scruffy (but not through) where my disk wgeek is bolted to the drum with the 4 nuts, but no-one can see that when the wheel is on.

But after sandblasting the axle (duct tape on the ends, he used body filler to make the diff cover and axle casting smooooooth before painting.

Don Elliott, 1958 TR3A
Don Elliott

For those of you who leave the machined mating surfaces unpainted, do you put anything on the bare metal to protect it and inhibit rust?

So much to know...

Thanks, all.

Bill
Bill Stagg

That's no problem. If you want to, after assembly you can degrease any excess oil off that got squeezed out and brush some POR-15 all oround the external ring where the edges of the shims are visible in the joint area.

Don
Don Elliott

This thread was discussed between 20/02/2004 and 21/02/2004

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