Pagid RS19 brake pads and brake upgrades
#1
Pagid RS19 brake pads and brake upgrades
EDIT: I had a post regarding track mods, but I have decided to try to go "budget" so put some more specific questions in a new thread. Hope I don't brake any forums rules!
Hi guys, especially you that regularly track your cars;
I'm trying to figure out how to upgrade the brakes of the base V6 I just bought as a track toy.
1. What are the best track-focused brake pads available for the base V6 (355/ 325 mm rotors)?
Seems like Pagid's old RSL19 are available for the F-Type (Shape Detail - PAGID Racing), but only for the front. Also, it isn't clear to me whether they fit the 355 mm rotors or the 380 mm rotors. I used the successor, the RSL29, on my previous track car and loved them, so I'm kind of hoping this will work... Has anyone tried the Pagids? If so, what did you complement with in the back? EBC Yellowstuff? At least the color would match, the Pagids are yellow.
2. Rotors. I'm planning on getting StopTech's slotted rotors front and back (126.0024 and 126.0032). Seems like a reasonable price/ performance option to me. Any other suggestions?
3. Brake fluid, not a big investment, but I'm thinking Motul RBF600. Any thoughts?
4. Steel braided brake lines - I can't find any? What have you guys gone for?
Thanks a lot!
Hi guys, especially you that regularly track your cars;
I'm trying to figure out how to upgrade the brakes of the base V6 I just bought as a track toy.
1. What are the best track-focused brake pads available for the base V6 (355/ 325 mm rotors)?
Seems like Pagid's old RSL19 are available for the F-Type (Shape Detail - PAGID Racing), but only for the front. Also, it isn't clear to me whether they fit the 355 mm rotors or the 380 mm rotors. I used the successor, the RSL29, on my previous track car and loved them, so I'm kind of hoping this will work... Has anyone tried the Pagids? If so, what did you complement with in the back? EBC Yellowstuff? At least the color would match, the Pagids are yellow.
2. Rotors. I'm planning on getting StopTech's slotted rotors front and back (126.0024 and 126.0032). Seems like a reasonable price/ performance option to me. Any other suggestions?
3. Brake fluid, not a big investment, but I'm thinking Motul RBF600. Any thoughts?
4. Steel braided brake lines - I can't find any? What have you guys gone for?
Thanks a lot!
Last edited by jlsthlm; 03-16-2020 at 09:07 AM.
#2
I don't think 355/325 are up to the task with any pad. You want to get 380 fronts, that are to my best knowledge are direct bolt-on. The only catch is that you need 19 inch rims to clear them. I think bigger calipers will be your best return on investment, with more stopping power per $ than after market rotors and so on.
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jlsthlm (03-16-2020)
#4
3. Brake fluid, not a big investment, but I'm thinking Motul RBF600. Any thoughts?
4. Steel braided brake lines - I can't find any? What have you guys gone for?
#5
I don't know if it was "verified", but apparently the lines are already SS braided but covered:
https://www.jaguarforums.com/forum/f...2/#post2131974
https://www.jaguarforums.com/forum/f...2/#post2131974
#6
Hmm, are you sure about this?
To my understanding, larger brake rotors/ pads are for cooling - not for stopping power. You just spread the same amount of force over a larger surface area which helps with temperature but not with total friction. Changing to 380 mm would mean that the increased cooling is worth more than the negative effect of the increased unsprung weight of the larger and heavier rotors. My initial thought would be to improve brake cooling first rather than increase rotor diameter. Maybe I am wrong here?
To my understanding, larger brake rotors/ pads are for cooling - not for stopping power. You just spread the same amount of force over a larger surface area which helps with temperature but not with total friction. Changing to 380 mm would mean that the increased cooling is worth more than the negative effect of the increased unsprung weight of the larger and heavier rotors. My initial thought would be to improve brake cooling first rather than increase rotor diameter. Maybe I am wrong here?
#7
Join Date: Feb 2014
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EDIT: I had a post regarding track mods, but I have decided to try to go "budget" so put some more specific questions in a new thread. Hope I don't brake any forums rules!
Hi guys, especially you that regularly track your cars;
I'm trying to figure out how to upgrade the brakes of the base V6 I just bought as a track toy.
1. What are the best track-focused brake pads available for the base V6 (355/ 325 mm rotors)?
Seems like Pagid's old RSL19 are available for the F-Type (Shape Detail - PAGID Racing), but only for the front. Also, it isn't clear to me whether they fit the 355 mm rotors or the 380 mm rotors. I used the successor, the RSL29, on my previous track car and loved them, so I'm kind of hoping this will work... Has anyone tried the Pagids? If so, what did you complement with in the back? EBC Yellowstuff? At least the color would match, the Pagids are yellow.
2. Rotors. I'm planning on getting StopTech's slotted rotors front and back (126.0024 and 126.0032). Seems like a reasonable price/ performance option to me. Any other suggestions?
3. Brake fluid, not a big investment, but I'm thinking Motul RBF600. Any thoughts?
4. Steel braided brake lines - I can't find any? What have you guys gone for?
Thanks a lot!
Hi guys, especially you that regularly track your cars;
I'm trying to figure out how to upgrade the brakes of the base V6 I just bought as a track toy.
1. What are the best track-focused brake pads available for the base V6 (355/ 325 mm rotors)?
Seems like Pagid's old RSL19 are available for the F-Type (Shape Detail - PAGID Racing), but only for the front. Also, it isn't clear to me whether they fit the 355 mm rotors or the 380 mm rotors. I used the successor, the RSL29, on my previous track car and loved them, so I'm kind of hoping this will work... Has anyone tried the Pagids? If so, what did you complement with in the back? EBC Yellowstuff? At least the color would match, the Pagids are yellow.
2. Rotors. I'm planning on getting StopTech's slotted rotors front and back (126.0024 and 126.0032). Seems like a reasonable price/ performance option to me. Any other suggestions?
3. Brake fluid, not a big investment, but I'm thinking Motul RBF600. Any thoughts?
4. Steel braided brake lines - I can't find any? What have you guys gone for?
Thanks a lot!
Those pads will NOT fit the 355 mm calipers.
The giveaway is the 193 mm pad length.
Having researched Jag brakes in depth for a few years now that 193 mm measurement is imprinted on my brain!
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#8
StopTech and similar are Cars and Coffee mod. Well, technically they are also lighter, if you are trying to reduce unsprung weight at a great cost and for some reason is unwilling to use light racing rims or lighter tires. These aftermarket rotors do not stop better than OEM. Actually, depending on the cut (i.e. star, slots) they will increase your stopping distance due to reduced contact surface.
#9
This is exactly what I wanted to hear! Do I have to create the brake ducting myself or are there after market solutions?
#10
Thank you. This pains me to read, but OK. According to your research, what would be the best race ready brake pad out there then?
#11
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However the 355 mm front brakes are common across a wide range of Jags and they are identical in every way so you might find some better race pads for those brakes.
Although 326 mm rear brakes are common across many Jags the F-Type versions are unique to the F-Type (except maybe later 2016 on "base" XJs) so finding race/track pads for them will be problematic.
Last edited by OzXFR; 03-17-2020 at 12:15 AM.
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jlsthlm (03-17-2020)
#12
For the base F-Type brakes (355 mm front and 326 mm rear) my best guess is EBC yellows.
However the 355 mm front brakes are common across a wide range of Jags and they are identical in every way so you might find some better race pads for those brakes.
Although 326 mm rear brakes are common across many Jags the F-Type versions are unique to the F-Type (except maybe later 2016 on "base" XJs) so finding race/track pads for them will be problematic.
However the 355 mm front brakes are common across a wide range of Jags and they are identical in every way so you might find some better race pads for those brakes.
Although 326 mm rear brakes are common across many Jags the F-Type versions are unique to the F-Type (except maybe later 2016 on "base" XJs) so finding race/track pads for them will be problematic.
Will look around for pads for the 355 mm front rotors! Thanks!
#14
This will likely be a very iterative process then... one small step at a time. Oh well, so be it.
#15
If it helps...Jag sold ducts for the CC brakes for a few years, part # are in this document about tracking the car.
https://www.dropbox.com/s/bwcg2spgeb...10851.pdf?dl=0
https://www.dropbox.com/s/bwcg2spgeb...10851.pdf?dl=0
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jlsthlm (03-17-2020)
#16
When you install new pads, give them time to properly set... this all I do. If you think you might have issues with high heat, get race pads that are designed to survive that and install cooling ducts.
Maybe your track requires more braking. Maybe cooling ducts I have make a lot of difference. Maybe engine braking makes difference. Maybe I am more careful with cooldown laps.
#17
If it helps...Jag sold ducts for the CC brakes for a few years, part # are in this document about tracking the car.
https://www.dropbox.com/s/bwcg2spgeb...10851.pdf?dl=0
https://www.dropbox.com/s/bwcg2spgeb...10851.pdf?dl=0
#18
Thought I had a document specifically about them, which might be helpful if you fab your own. But I didn’t find it.
Feel free to look through my F-type document repository. Copy what you like, got most of the docs here.
https://www.dropbox.com/sh/wgv3e86yc...glFoM3xOa?dl=0
Feel free to look through my F-type document repository. Copy what you like, got most of the docs here.
https://www.dropbox.com/sh/wgv3e86yc...glFoM3xOa?dl=0
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jlsthlm (03-17-2020)
#19
I understand this is how they are advertised, but I am not convinced that it actually works this way. To me, drilling and slotting is just asking for stress fractures in the disk. It also reduces contact surface and that results in less stopping force at maximum application. Now, this reduction might be irrelevant as you are likely to overwhelm traction before that point.
#20
Thought I had a document specifically about them, which might be helpful if you fab your own. But I didn’t find it.
Feel free to look through my F-type document repository. Copy what you like, got most of the docs here.
https://www.dropbox.com/sh/wgv3e86yc...glFoM3xOa?dl=0
Feel free to look through my F-type document repository. Copy what you like, got most of the docs here.
https://www.dropbox.com/sh/wgv3e86yc...glFoM3xOa?dl=0