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Old 02-20-2008, 09:48 PM
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Hawk Brake Pads

I just bought some Hawk pads for my pickup. I read some other posts on here and it sounded like they're a good product. Are there any current users on here that can give me some more insight? How do they stop compared to OE or other brands of pads? How about longevity? They're not going to eat up my factory rotors or wear down in 15,000 miles are they?

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Old 02-21-2008, 08:14 AM
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I found this a while back...I think Triaged posted it here initially.

http://www.nlectc.org/pdffiles/brakepads_epr2000.pdf

Lots of brake pad info there.


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Old 02-21-2008, 06:43 PM
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You got a leaky spark tube...
 
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That is a lot of info. I just scratched the surface by skimming some of it.
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Old 02-24-2008, 12:44 PM
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Quote:
Originally Posted by Blazin72
I just bought some Hawk pads for my pickup. I read some other posts on here and it sounded like they're a good product. Are there any current users on here that can give me some more insight? How do they stop compared to OE or other brands of pads? How about longevity? They're not going to eat up my factory rotors or wear down in 15,000 miles are they?
not to sound like a jerk. but. seems to me you should have asked before you bought them. so, install them, and tell us what you think ?
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Old 02-24-2008, 07:34 PM
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You got a leaky spark tube...
 
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You're right I did, and I will share my experience with them. I just wanted to get an idea of what to expect.
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Old 02-24-2008, 07:45 PM
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Something to remember when buying pad from some of the major auto-parts stores is that there is no national standard on brake pads. Sure all the hoses have to be DOT approved but any Tom Dick or Harry can start making brake pads in his back yard out of newspaper and if you'll buy them he can sell em.

I always use a mid-grade pad such as a raybestos professional ceramic, or our NAPA safety stop.
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Old 02-27-2008, 01:22 AM
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What? No DOT spec?

On every street pad I have looked at (not that I always pay attention...but I never buy junk) there was a DOT edge code printed on it. The edge code can tell you some good info.

http://www.google.com/search?aq=f&hl...ad&btnG=Search

This is from the first link in that search

Quote:
DOT Pad Codes
This two letter edge code mandated by the DOT, and painted on all street legal brake pads, will give you some indication of their ability to resist fade. But only if you know how to read them. However, because of the wide range involved in each letter, it is only a rough indication.

Explanation of D.O.T. Edge Codes Located on all Brake Pads Official D.O.T. Edge Code Coefficient of Friction (C.F.)
@ 250 F and @ 600 F Comments
EE 0.25 to 0.35 both temps 0-25% fade at 600 F possible
FE 0.25 to 0.35 @ 250 F
0.35 to 0.45 @ 600 F 2% to 44% fade at 600 F possible
FF 0.35 to 0.45 both temps 0-22% fade at 600 F possible
GG 0.45 to 0.55 Very Rare
HH 0.55 to 0.65 Carbon/Carbon only.
O.K. up to 3000 F where it glows
Notes: These edge codes are located on the edge of the friction material of every brake pad by government regulation, along with some other codes. The first letter is a grading of the C.F. at 250 F and the second letter is a grading of the material at 600 F. Each letter grade can actually have quite a range of C.F. But a difference in the letter grade from medium to hot temperature could be an indicator of fade. The letters can be in any order. Therefore FE pads fade when hot, and EF pads would not grab when cold.. Also, you should know that Steel on Steel has a C.F. of 0.25!! So EE pads have only marginally more torque than no pads at all! Therefore FF pads are usually considered the minimum for a high-performance pad.
I have some Hawk HPS pads that I am going to put in my S10. HPS is a carbon metallic pad. The front ones (HWK-HB103F-590) are spec'ed for a 96 Caprice w/ cop suspension (fits the same calipers as the standard D52 full size chevy pad but has much more surface area and should last longer under hard use) to match my swapped in 12" b-body brakes. The rear (HWK-HB305F-610) are for a 2000 blazer to match my rear axle. The front pads have an edge code of FF meaning a fairly consistant and high coefficient of friction. The rear pads have an edge code of EF meaning a lower coefficient of friction till they heat up (the opposite of fade). I haven't put them on the truck yet but plan to sometime this year
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Old 02-27-2008, 08:02 AM
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True, the DOT does regulate the edge codes, but thats kinda like ASE rateing the horsepower of production engines it keeps em honest.

As far as I know there is no specs on making the pads.....much unlike the brake hose industry, I used to work making hydrolic hoses, I "Could" have made custom break lines but I was unable to because legally I could not. I had to buy prefab hoses that were DOT approved and had fittings already crimped on, then added the correct fittings to them.

That of course is not to say I haven't seen people who tried hose clamps and other such devices to fix and extend their hoses
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Old 02-27-2008, 11:27 PM
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You got a leaky spark tube...
 
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Great info Triaged. I'll have to get the pads out of the back room and check the edge codes.
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