Hello all.

new here, wanting to know if anyone knows what callipers if any will fit the F type 2017 rear Caliper mounts that don’t have the electronic park brake built in. I need ones that are cable.

didnt know if anyone has done this, or knows of any other callipers that might fit from another car.

thanks

 

Why?

 

I thought you might ask 😂

OK so I’m building a kit car from the chassis upwards with an 800bhp 6.0 v8 LS engine. Twin gt45 turbos custom front suspension which I just got rolling today.

basically I’m using a 2017 F type rear subframe hubs arms the lot. Paid £200 for the lot.

for this application I don’t need or want EPB and the previous owner has removed them anyways and I need a handbrake. Looks like I’m going to have to just trial and error with different Calipers to see what fits.



V8 twin turbo


Jag f type rear axle in place

 

Looks like a very cool project, but please take note that F-type rear you have (looks like from base F-type, since struts have no wires that would indicate adjustable suspension) is not designed to take this kind of power. This is because base F-type is only max 400HP V6 and V8 has a completely different setup with a different differential. I think you will shear differential and destroy CVs the first time you floor your boosted LS. Also, base F-type has an open differential - so you will end up doing a lot of one-wheel burnouts.

As for calipers, look into Jaguar XKR-S Alcon Calipers, they are direct bolt-on (but I am not sure about brackets and EPB).

Also, (as a comment from a peanut gallery) I don't think your heads are right for boosted (turbo) application and you won't hit your target numbers no matter how hard you port. See here for more info: http://www.hotrod.com/articles/surpr...der-head-test/

 

I’m aware that the f type is open diff, I have a diff coming from a 3.0 supercharge which will bolt directly into place.

as for the cv and diff destroying 😂 not so much... this car weighs less than 1,000kg I have 10.5j 18” wheels and 295/35/18 tyres going on it. It’s still going to light up with this much power. As the car doesn’t weigh a lot the traction will break before any torque gets the chance to smash cv’s.

i also notice that there isn’t any difference in drive shafts between the base model and the supercharge one. They share the same size shafts etc. Only difference is they have a diff and red calipers as far as I’m aware.

 

V6 base has open differential that carried over from other models. V6S has an LSD and I think it unique to F-type, but it is fragile with multiple reported failures when racing even in stock form, if you decide to go that way stick largest giubo disk you can fit. V8 (in any form) has electronic LSD that was shown to hold up well up to 650hps.

I understand your point on weight, but counting on being traction limited is self-defeating. Why do you need the power that you can't use and what going to happen if you ever hook up just right (or improve your setup)?

Please also consider that F-type is A LOT heavier than your setup, so your rear suspension will be too stiff. See here: https://www.hotrod.com/articles/ccrp...on-tech-guide/

 

With the EPB gubbins removed, I'd be inclined to activate both rear callipers hydraulically...that should negate the need for too much additional modding.

A simple alloominum plate to cover the splined shaft that jacks the callipers in and out would suffice.

 

The handbrake may be required for hooligan mode.

I’d be worried about 800HP (the torque more specifically) twisting that frame, but happily, I don’t have any actual knowledge on the subject.

 

Most other modernish Jags use the same size rear brakes as the F-Type, just without the EPB integrated into the caliper each side, the F-Type is unique in this regard. Either 326 mm (same as the base F-Type so I suspect that is what you have at the moment) or 376 mm.
I swapped my 326 mm rear brakes for the 376 mm ones and it was simple plug and play, and although they use slightly different calipers and caliper brackets both bolt right up to the same hubs.
Point is, I suspect the rear brakes with single motor EPB driving two cables from the XF, XJ, XK etc should bolt right on up, and that way you can get rid of the integrated EPB motors in each caliper.
But of course that still doesn't solve the problem of getting rid of the EPB itself and replacing it with a manual hand brake, but I suspect with a bit of R&D you can figure out a way to replace the central EPB motor with a manual cable set-up.

Edit - AFAIK the F-Type rear hubs are the same as the XF and XK rear hubs which in turn are the same as the S-Type which in turn used the same basic chassis and suspension as the 98 - 2005 Lincoln LS and Ford Thunderbird. So if (and that's a big if!) those two Fords used a mechanical hand brake and not an EPB the parts from one of them could bolt right up to the F-Type hubs. It shouldn't be hard to get the parts for cheap from a wrecker so worth a try!

 

Guys.... He asked about brakes don't patronise him about struts and diffs. He clearly knows what he is doing

 

Just to note that the 2016 XJ did start sharing the rear calipers with the EPB motor mounted directly to them, so I suspect other recent/current models may have also gone down the same route as they do like to reuse parts.

They will fit, and as you mention the S-Type (at least the mid-release facelift) and the the X350 also have compatible hubs which the brakes will mount directly onto. I replaced the factory brakes on my 2004 XJ6 3.0 with those from an 2011 XJ, partly because the factory brakes were not the best but also because the later consumables are more readily available and will be for longer. The calipers were straight swaps although the hoses needed swapping too as the mounting position changed. The only modification was to reduce the length of the front caliper bracket bolts by 5mm so they did not contact the discs.