XJ XJ8 / XJR ( X308 ) 1997 - 2003

Opinions wanted for these or other rotors

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Old Jul 31, 2013 | 08:57 PM
  #1  
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Default Opinions wanted for these or other rotors

2000 XJR

SP Performance Slotted Rotors (Pair) Brake Rotors for your 2000 JAGUAR XJR-S - TopBrakes.com

Decent rotors -or- what would you do?

Opinions please: I promise my feeling won't be hurt
 
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Old Aug 1, 2013 | 07:39 AM
  #2  
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Originally Posted by WaterDragon
2000 XJR

SP Performance Slotted Rotors (Pair) Brake Rotors for your 2000 JAGUAR XJR-S - TopBrakes.com

Decent rotors -or- what would you do?

Opinions please: I promise my feeling won't be hurt
Rotors are not a very high tech parts so, as long that the metal/casting used is of good quality, you will have no issue.
Couple of notes:
The link is for the rear and since the rear do very little braking, "cheap" rotors are OK.
Slots/grooves are OK, cross drilled is not.
I love their "distance to a full stop" graph
Did you notice the distance.. 20 and 30..... feets!!!!!!
Must have been a braking test from 5mph. Lol
 
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Old Aug 1, 2013 | 10:57 AM
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Originally Posted by luc
Rotors are not a very high tech parts so, as long that the metal/casting used is of good quality, you will have no issue.
Couple of notes:
The link is for the rear and since the rear do very little braking, "cheap" rotors are OK.
Slots/grooves are OK, cross drilled is not.
I love their "distance to a full stop" graph
Did you notice the distance.. 20 and 30..... feets!!!!!!
Must have been a braking test from 5mph. Lol
Hah, I did not notice the feetS. That alone kills them as a possible supplier for me. Maybe I'll just stick with the EBC premium stock replacements.
 
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Old Aug 2, 2013 | 08:26 AM
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Get some custom Hi Spec lightweight rotors... about $600 for initial cost, but then its only $100 for replacements... only available for the front though
 
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Old Aug 2, 2013 | 08:43 AM
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Originally Posted by princemarko
Get some custom Hi Spec lightweight rotors... about $600 for initial cost, but then its only $100 for replacements... only available for the front though

That is still an option...just don't know if I want to spend that much yet.
 
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Old Aug 4, 2013 | 01:33 PM
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Originally Posted by princemarko
Get some custom Hi Spec lightweight rotors... about $600 for initial cost, but then its only $100 for replacements... only available for the front though

Curious.. what is "custom hi spec lightweight rotors" ?

Are we talking 2 pieces rotor with an aluminum hat?
 
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Old Aug 5, 2013 | 08:42 AM
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Yes, its a two piece rotor with alum. hat. Weights 12.5 lbs vs stock 21 lbs
 
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Old Aug 5, 2013 | 12:18 PM
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And, worth adding, removing 8.5 lbs of rotational weight is something like the same as 34 lbs of dead weight, so x 2 = the same as removing 68 lbs from the car, so if my calculations are remotely correct, that would shave .068 seconds off a 1/4 mile time, or about 2/3 of a car length at the end of 1320 feet.
 
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Old Aug 5, 2013 | 12:54 PM
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I am running on cross-drilled rotors, Goodridge steel brake line with super blue fluid
 
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Old Aug 5, 2013 | 01:03 PM
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I would like to use smaller rear discs to fit 15" wheels and 275/50/15 DRs.
Tire pressure down to 14PSI, launch at 2200rpm ...60ft at 1.69
 
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