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Old 23 Sep 2009, 11:54 am   #3 (permalink)
Ray O
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Default Re: Performance Brake Pads and Rotors for 2001 4Runner


"SMS" <scharf.steven@geemail.com> wrote in message
news:4aba4368$0$1595$742ec2ed@news.sonic.net...
> The rotors on my 4Runner need to be replaced because when they heat up
> they warp and the brakes chatter. This occurs only when driving in the
> mountains where there's more harder braking than in city driving. The
> original rotors have been resurfaced once. and that's about it for them.
>
> Are there any higher performance rotors that are less likely to warp or
> fade than the stock Toyota rotors? What are the advantages and
> disadvantage of drilled versus slotted versus drilled and slotted versus
> plain? Do all slotted rotors have a left and right?
>
> Online I've found:
>
> Brembo Sport Rotors (drilled and slotted) $110 each
> Disc Italia (drilled and slotted) $115 each
> Disc Italia (slotted) $115 each
> Power Disc (drilled) $90 each
> Power Disc (slotted) $90 each
> X Brakes (drilled and slotted) $62.50 each
> Power Stop (drilled) $96 each
> Power Slot (slotted) $99 each
> Power Slot Cryo Slot (slotted) $130 each
>
> JC Whitney no-brand listed (drilled) $66 each
>
>
> What about brake pads? What should I get?


The advantage of drilled and slotted rotors is that they allow the gas that
the pads generate to escape. If the gas builds up between the pad and
rotor, the effect is a little like an air hockey table so friction is
reduced. The disadvantage of slotted and drilled rotors is that they cost
more and are not easily resurfaced.

When you resurface rotors, you reduce their ability to dissipate heat so
they are more likely to warp.

Some things that can reduce brake fade and rotor warpage are selecting a
lower gear on long downhill grades, and if you have rear drum brakes, making
sure that they are adjusted properly.

I used to do a lot of driving in the mountains and did not experience brake
fade or rotor warpage on any of the Toyotas I had as company cars.

The only aftermarket brand you listed that I'm familiar with is Brembo.
They should be OK but before you go that route, try checking the back brakes
and shifting to a lower gear.
--

Ray O
(correct punctuation to reply)


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