Suspension & Brakes Theory, alignment, spring rates....

prop valve question

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Old Oct 23, 2008 | 06:17 PM
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MrBui's Avatar
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From: panama city, florida
Default prop valve question

is it necessary to have one in a car? reason i ask is because i have a wilwood hand brake for the rear brakes and the fronts arent hooked up to a prop valve or anything.. i followed the lines and it seems like each outlet on the master cylinder goes to each front brakes.

this is on a 88 crx hf drag car i bought recently

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Old Oct 28, 2008 | 01:02 PM
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From: DFW TX / SOCAL
Default Re: prop valve question (MrBui)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by MrBui &raquo;</TD></TR><TR><TD CLASS="quote">is it necessary to have one in a car? reason i ask is because i have a wilwood hand brake for the rear brakes and the fronts arent hooked up to a prop valve or anything.. i followed the lines and it seems like each outlet on the master cylinder goes to each front brakes.

this is on a 88 crx hf drag car i bought recently

</TD></TR></TABLE>

This just sounds scary

from my understanding it has to run through the prop valve to distribute fluid flow...if your rears are strictly on a handbrake though.... i would imagine it should still be hooked up and capped off for the rears.
imma follow this bc now im curious
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Old Oct 29, 2008 | 02:07 PM
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Default Re: prop valve question (MrBui)

Is the car only for the 1/4 mile?
And is it driven on the street at all?
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Old Oct 30, 2008 | 07:44 AM
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From: chicago burbs, Il, USA
Default Re: prop valve question (_BEN_)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by _BEN_ &raquo;</TD></TR><TR><TD CLASS="quote">Is the car only for the 1/4 mile?
And is it driven on the street at all? </TD></TR></TABLE>
I'm wondering the same thing.

Drag cars can and do get away with really odd things like this.
The prop valve isn't mandatory for a drag only car, IF both sides of the master cylinder are the same.
e-brake for burn outs, brake pedal for the end of the quarter. less lines, less fluids, less to go wrong, and most importantly less weight.

NOTE: Driving this setup on the street would be begging for accidents.
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Old Oct 30, 2008 | 10:29 AM
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Default Re: prop valve question (MrBui)

yea drag only..mainly 1/8th
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