[68ragtop]

Yep, that black on the frame. I thought the one I had was steel, not brass.
But, in fairness I am not 100% positive it came from my 68. I also tore down a 69 cutlass many years ago & it might have come from that frame.

I'll post a picture of it later today for grins

[kk68]

The original distribution block on my 68 with power discs was cast steel, not brass. Not easy to see, but attached photo. This is the original part painted steel gray. I do see that the replacements offered by Ames and InLine are brass.

Also took a shot of booster/master setup. These are replacements but I think correct for 68, except for hold off/proportioning valve attached to master, which is 69 version. I need to replace with correct for 68 (like my original shown on top of the wheel well). InLine has what looks to be the correct one (#PR114).

[gto4evr]

Originally Posted by kk68

The original distribution block on my 68 with power discs was cast steel, not brass. Not easy to see, but attached photo. This is the original part painted steel gray. I do see that the replacements offered by Ames and InLine are brass.

Also took a shot of booster/master setup. These are replacements but I think correct for 68, except for hold off/proportioning valve attached to master, which is 69 version. I need to replace with correct for 68 (like my original shown on top of the wheel well). InLine has what looks to be the correct one (#PR114).

hmmm....in all my 35 years of owning, buying, selling, and parting these cars, I've never seen a cast steel distribution block on a 68-72 std brake, 68-70 both std/pwr car. obviously they exist since you have one!

[PurelyGTO68]

Originally Posted by 68ragtop

Yep, that black on the frame. I thought the one I had was steel, not brass.
But, in fairness I am not 100% positive it came from my 68. I also tore down a 69 cutlass many years ago & it might have come from that frame.

I'll post a picture of it later today for grins

I don't remember....which assembly plant did your car come from? I think kk68's car was assembled in Arlington. If so, then we have at least two Arlington cars with cast iron distribution blocks. Seems like one of those items where multiple vendors may have used different materials. Wouldn't be the first time something like this has been uncovered...