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'Big bore' stock replacement calipers?

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Old Jan 8, 2015 | 08:58 AM
  #1  
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From: MA, USA
Car: 83 bird
Engine: 305/383
Transmission: WC T5
Axle/Gears: 3:42
'Big bore' stock replacement calipers?

http://www.rickscamaros.com/camaro-b...1982-1992.html

Anyone try those? Noticable difference?

Read somewhere they're just stock S10 calipers, but not sure if that's true or what year if it is.

Thoughts?

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Old Jan 8, 2015 | 11:33 AM
  #2  
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From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: 'Big bore' stock replacement calipers?

Those look a lot like the stock calipers on my old 1999 S10.



This product is a fit for your:
1999 Chevrolet Truck S10 P/U 2WD 4.3L SFI OHV 6cyl
Part Number: RC4125
Alternate Part Number: RC4125
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Old Jan 8, 2015 | 11:35 AM
  #3  
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From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: 'Big bore' stock replacement calipers?

Go compare them in a parts store. They are about $30 on ebay


http://www.ebay.com/itm/Disc-Brake-Caliper-Semi-Loaded-Caliper-Sold-Exchange-NUGEON-22-17248R-Reman-/361061426660?pt=Motors_Car_Truck_Parts_Accessories&hash=item5410f025e4&vxp=mtr
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Old Jan 30, 2015 | 02:13 PM
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Car: 83 bird
Engine: 305/383
Transmission: WC T5
Axle/Gears: 3:42
Re: 'Big bore' stock replacement calipers?

Anyone try them before though?
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Old Jan 30, 2015 | 07:53 PM
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Re: 'Big bore' stock replacement calipers?

Master cyl vs slave cyl diameter is EXACTLY the same thing as leverage.

A larger slave cyl, such as a caliper, will provide more clamping force, at the expense of requiring more fluid, and therefore, longer stroke of the master cyl. Just exactly as, a longer breaker bar, will provide more torque, at the expense of having to move the handle farther.

Which means of course, yes your brakes may potentially bite harder; but your pedal will DEFINITELY be softer and lower. And in turn your pedal might reach the floor before your brakes bite AT ALL.

As far as the specific parts in question, I have not mix-matched them. I speak only in generalities.

Given my experience with these cars (only 30-some years now, still a n00b) it's not a path I would choose to go down. I remain open to learning something new, but this doesn't look to me like there's any surprises or gems of "undiscovered knowledge" hidden in it anywhere. I'm not seeing opportunities to rewrite the laws of physics or anything dramatic like that.

Last edited by sofakingdom; Jan 30, 2015 at 07:56 PM.
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Old Jan 30, 2015 | 08:57 PM
  #6  
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Re: 'Big bore' stock replacement calipers?

It doesnt change the tiny 10.5" front disks. Hard to beat a common LS1 upgrade
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