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07-11-2008, 06:02 PM | #1 |
please don't break
Join Date: Sep 2003
Location: southern california
Posts: 173
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drum to disc. anyone using an adjustable prop valve?
i'm swapping a k20 disc brake d44 under the front of my drumed 1970 k10.
can some one please explain exactly what the factory proportioning valve does? how does is split up the pressure? if i dont use the factory gm part, and i leave it plumbed the way my drums are, the fronts will have way more pressure than the rear right? can i just use a traditional adjustable valve like this http://www.jegs.com/p/JEGS/755192/10002/-1/10165 to dial it in? is anyone using something like this adj. valve/distribution block? http://www.jegs.com/p/JEGS/762853/10002/-1/10165 i like the idea of being able to adjust my bias. any input would be great. thanks |
07-12-2008, 12:32 AM | #2 |
Registered User
Join Date: Jan 2008
Location: Johnson City, TN
Posts: 264
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Re: drum to disc. anyone using an adjustable prop valve?
When doing a 4 wheel disc set-up, I've always ran directly to the front disc from the MC with no valve at all, then use an adjustable P-valve in the line to the rears so I can dial in the balance. I never worry with wiring the brake warning light to the dash, I figure if there is a fluid distrbution or pressure issue, I'll know that as soon as it happens anyway without the idiot light to tell me there's a problem. I lke the secnd link you show, but that's pretty pricey.
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66 Chevy Stepside tandem project My junk: http://67-72chevytrucks.com/vboard/s...d.php?t=480902 |
07-12-2008, 01:32 PM | #3 |
please don't break
Join Date: Sep 2003
Location: southern california
Posts: 173
|
Re: drum to disc. anyone using an adjustable prop valve?
thanks for the good advice. i'm still going to be running drums in the back. do you think the 57% line reduction will give me enough adjustment?
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