Hard brakes with wilwood
#1
Posted 22 December 2017 - 09:45 PM
#3
Posted 23 December 2017 - 11:02 AM
Would've been much easier just to keep the booster and fit an electric vacuum pump!
Hella make one, see here...
But I've read a lot of people just grab one from a local wrecker, I believe any supercharged V6 Commodore had them, among others.
Yeah mate i seen those but he liked the look of the wilwood thanks for your reply mate....
#4
Posted 23 December 2017 - 11:23 AM
How about the booster is toast and needs rebuilding ??... the brakes are the same as before i took the booster off.... you have to just about put 2 feet on to stop the thing....its like you have a power booster brake set up with the ignition off....but it's exactly how it was before we took the booster off....any ideas guys....
#5
Posted 23 December 2017 - 12:49 PM
Might be booster as rock solid pedal is what no booster feels like.
My f280 355 in the sle feels like you get pone 1/2 decent stop then afterwards not enough vacuum left to give good pedal feel like stock cars have...eventually fit vacuum tank or more likely electric vacuum booster.
Should still be able to to pump pedal a few times then start engine you'll feel pedal depress a little bit....if not dud booster or something related to it.
#6
Posted 23 December 2017 - 12:53 PM
Go for a bigger master. But will still be hard. Vac pump would be the best bet for decent braking.
#7
Posted 23 December 2017 - 01:16 PM
Just to clarify
He's removed the booster and fitted a smaller bore aftermarket master
So the pedal should be lower and more progressive
Plus he's changed the pedal pin point to change the pedal ratio
#8
Posted 23 December 2017 - 05:20 PM
Thanks datto for clearing that up 😁Just to clarify
He's removed the booster and fitted a smaller bore aftermarket master
So the pedal should be lower and more progressive
Plus he's changed the pedal pin point to change the pedal ratio
Edited by bullitA9X, 23 December 2017 - 05:21 PM.
#9
Posted 23 December 2017 - 06:03 PM
May have to go for more mechanical advantage(pivot and or smaller bore master), rear bias can also affect pedal pressure.... have had cars with incorrectly sized brakes front to rear that caused high pedal effort, installation of brake bias adjuster in rear circuit greatly improved this.
Beware of firewall flex etc with non boosted setup.....
Non boosted setup is always going to feel shit in a street car....with an auto...reealll shit.
#10
Posted 23 December 2017 - 10:01 PM
When you start playing with no booster, pedal ratio, m/c size become critical, generally have to try different pad compounds to also help find a balance.
#11
Posted 24 December 2017 - 10:39 AM
Thought only way to get decent pedal without a booster was dual m/cyl setup?
Took booster off lc gtr after v8 conversion...stiff pedal wasn't that bad as manual with 330mm twin piston setup but was horrible with an auto.
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