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Multi Car Owner
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930 Posts
Discussion Starter #1
Can anyone explain to me why Car brake systems do more work up front then in the back? I know I have been told and read in many places that systems are about 80-20, 70-30 front/back. Why is that? Wouldn't it be better if the back brakes were doing as much work?
 

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Explorer Member
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53 Posts
Hi Tim,

The ratio is more realistically 60/40 - the reason is due to the weight in the front ie: the engine - the front brake take much more abuse due to the weight factor and usually need to be replaced 2 times to every one set of rears - and that rings even more true on front wheel drive cars that have the weight of the transaxle up front also - hope this helped
 

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Gone cruising!
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20 Posts
Slowing down

Hi there! Don't forget about weight transfer. When
you slow down, the weight shifts forward increasing
the load on the brakes.Tim R
 

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Crown Vic P74 Member
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6 Posts
I say Ford should put the engines in the back :D

But seriosly.. my car has a serious brake problem, it went through a set of pads in 300 miles :eek:

Ford still can't figure out wth is wrong with it
 

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Lincoln Town Car Member
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61 Posts
they say remove all the unnecessary objects from your trunk to reduce the weight on your vehicle to preserve gas mileage?

OK, I guess Ford understands that the brakes are less expensive than the rising prices of gas therefore they do nothing to reduce the weight of the front end, but urge you to keep the rear as light as possible.... D'oh!
 
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Guest
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0 Posts
I had my front brakes checked after 7,000 miles with new OEM pads.....there was a good sized chunk missing out of my left outside pad!

I may never run OEM brake parts again. I once ran all new OEM rotors, only to later warp three days later. (1995 Crown Vic)


 

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Mod/Crown Vic Cruiser
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129 Posts
Brakes

Well you guys are talking about brakes.... I waited a tad to long when I changed mine... My REAR Drivers side pad was done PAST THE BRAKE PAD and I was stopping on the backing plate! The others were extremly low!

I bought all new Rabestos Pads and Rotors and I was set ( Sorry Metroplex-i bought raybestos....)


Jonathan
 

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Mod/Multicar Member
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149 Posts
ive installed raybestos brake pads in a lot of crown vics including the police dept in the town i was working and we always had good luck with them. the only cars we had trouble with were volvos they made a lot of noise.
 

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PT Owner - SCPOC Prez
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681 Posts
looks like the reasons are already well listed.

tim, if you're looking to balance the braking load with your car, you could install an adjustable brake proportioning valve. that way, you could dial in the setting you like that would make you feel the most comfortable with stopping your car.

on my probe, i have not done this yet and i really don't need to. you see, i upgraded all four discs (brembo cross drilled), the brake lines (goodridge stainless steel braided), the fluid (motul rf600), and my pads (porterfield r4s). that along with my lowering springs (eibach pro-kit) and struts, combine to eliminate any nose dive i have and reduce the amount ot weight transfer under hard braking.

in the end, these things have helped reduce my braking distance dramatically. on a crown vic, it may be a little different, but the results should still be similar.

hope that helps. ;)
 
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