Some insist on using hold off valves, but pretty sure when it comes up, I comment on removing them. I guess some want the 'original' look or don't want to deal with changing brake line routing.
They basically are only for situations where a bleed valve on one of the 4 corners is mounted lower or close to the same level/plane as the master.
Sometimes due to the type of drum brake adjusters too.
If doing a system from scratch or upgrading, it's always suggested to be removed.
If you're troubleshooting a system and it's the last thing you haven't replaced, just eliminate it.
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1970 GTO Judge Tribute Pro-Tour Project 535 IA2
http://forums.maxperformanceinc.com/...d.php?t=760624
1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car
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