"RyanFrew" (ryanfrew)
05/22/2014 at 10:30 • Filed to: Help!
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11|
"RyanFrew" (ryanfrew)
05/22/2014 at 10:30 • Filed to: Help! | 0
| 11 |
Maybe this kind of question belongs on another kind of forum - I don't know.
Here's my problem. I need new brake calipers by Saturday. Napa can supply the driver's side and Advance can supply the passenger side. Guy at Advance claims that it doesn't matter that they aren't perfectly matching parts and that performance will be the same. Should I trust him? Everything else, such as rotors and pads, will match.
CalzoneGolem
> RyanFrew
05/22/2014 at 10:33 |
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Neither of them can get both sides? That doesn't make any sense.
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RyanFrew
> CalzoneGolem
05/22/2014 at 10:34 |
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They can both get both sides, but they can't both do it by Saturday. What I mentioned above is basically what they have in stock.
briannutter1
> RyanFrew
05/22/2014 at 10:34 |
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You're probably safe with calipers as long as the piston size measures the same. If you don't have one, buy a cheap dial or digital caliper.
OPPOsaurus WRX
> RyanFrew
05/22/2014 at 10:36 |
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Why are they not sold in pairs? Are you sure your not talking front/rear?
Mattbob
> RyanFrew
05/22/2014 at 10:36 |
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as long as they are built to manufacturer specs, they will be fine. The displacement of the calipers is spec'd by the manufacturer. That is where you would run into trouble, is if the hydraulic pistons inside were of different diameters. If they are both billed as OEM replacements, then you should be fine.
Racescort666
> RyanFrew
05/22/2014 at 10:36 |
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Probably won't matter if you are getting new parts. New parts from both NAPA and Advance are usually "OEM quality" which means that it should be close enough to OEM that there will be very little functional difference.
The only thing that could affect performance is if the pistons in the calipers are different diameters. It's unlikely that this will be the case with new parts (reman might be different). Since your force on the pads is pressure X area, pressure will be the same left to right, thus brake torque left to right should be even with matching pads and rotors, and as long as the area is the same between the pistons in the calipers, you should be good to go.
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RyanFrew
> OPPOsaurus WRX
05/22/2014 at 10:37 |
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Very sure. And that's the norm. Are you sure that you're not thinking about pads? Because those are the only things mentioned above that are usually sold in pairs by a retailer.
crowmolly
> RyanFrew
05/22/2014 at 10:39 |
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Can you post the part numbers? I am thinking you will be fine (especially if they are reman calipers that were rebuilt using OEM castings).
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OPPOsaurus WRX
> RyanFrew
05/22/2014 at 10:43 |
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ah yep i was thinking pads.
wabbalosthiskey
> RyanFrew
05/22/2014 at 10:53 |
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They have equal pressure coming in, so as long as they are roughly the same bore and one isn't significantly oversize they will function exactly the same. That said, there is nothing that would be different between them (like one honed slightly bigger than the other, one sleeved, etc) that would not happen if you bought them both from the same place - They aren't remanufactured in matching pairs or anything like that which would give the little factory that does it in Mexico way too much credit. It's a little silly, but it will make zero functional difference.
ilostmypants
> RyanFrew
05/23/2014 at 14:39 |
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I always try and get my parts from the dealer, Usually of you make small talk with the parts counter guy and play a little bleeding heart story and ask if they can move the price around for you they will knock it down a bit, and it usually ends up within a few dollars of premium aftermarket anyways,
and from my experience with aftermarket parts never get the cheapest always at least mid level, I have seen time and time again where the cheap pads dont fit properly and have to have burs ground off brand new pads to make them fit and shit like that.