Can 4 lug axles be drilled for 5 lug?

Topic: Can 4 lug axles be drilled for 5 lug? (Read 11629 times) previous topic - next topic

Can 4 lug axles be drilled for 5 lug?

Reply #60 – February 25, 2013, 08:21:00 PM

I think the OP's question was could he find a 5 lug TC rotor, and if there was not such a thing, then was the axle drilling a feasible solution

I wasn;t aware there were viable 5 lug rotors to fit the TC calipers WITHOUT mods, but it appears that with a little bracket fabbing it can be done.

I KNOW the Mark and the TC rotors have differences...I looked into this when I was gathering my parts for the rear 5 lug stuff. Suddenly I couldn't find any JY Mark 7 rears, so I just went with my setup.

I think the OP has some options now...we should leave him to his decision and not derail this thread any longer...whatya say? :)

Can 4 lug axles be drilled for 5 lug?

Reply #61 – February 25, 2013, 09:02:22 PM

Good call 302 Thanks

Can 4 lug axles be drilled for 5 lug?

Reply #62 – February 25, 2013, 10:26:21 PM

Not so fast! I have another question. Does anyone know if the 91-92 Mark VII calipers will bolt up to the TC brackets? If that were the case, then possibly the rotors and calipers could be used to make the switch without having to fab anything else. The outside diameter of the Mark VII rotors is 10.53 versus 10.16 on the TC. Any thoughts? Been done or tried?

Can 4 lug axles be drilled for 5 lug?

Reply #63 – February 25, 2013, 11:15:05 PM

I think when I did my comparisons, the Mark caliper mounts a little different and is also thicker than the TC caliper. There's no mixing and matching of parts the parts, unless you can weld on new brackets. No matter how you look at it, you can't swap to either a Mustang rotor, or a Mark rotor, without pulling the caliper in towards the diff by a small amount.

What I would do (and what I was going to do if I found a complete rear) was pull a whole rear from a mark, so I'd have axles, brakes, etc and swap them into my 3.55 geared TC rear. Sadly, I never was able to find a Mark anywhere within 175 miles.

I wanted the Mark setup so I could have vented rotors and yet stay small enough to run 16" wheels. Now that I have the Bullitt wheels, I may eventually go to a '94-5 Cobra setup using parts from Ford Racing. But that's just an option.

Now if you wanted drums, that's a feasible route, but you'd still need to find a couple uncommon pieces...myself, I'd stay discs if I were you, and try to locate a Mark rear, or a Stang rear if not. You can always save up later and get the bigger rotors, but the big $ are in the calipers. Ughh.

Can 4 lug axles be drilled for 5 lug?

Reply #64 – February 25, 2013, 11:30:13 PM

Are the Mark VII rears the same lengths as the TC? Are the mounting brackets the same?

Can 4 lug axles be drilled for 5 lug?

Reply #65 – February 26, 2013, 06:20:45 AM

Here you go 50RACER LSC brake mounting brackets. This if for the 11" discs

Can 4 lug axles be drilled for 5 lug?

Reply #66 – February 26, 2013, 08:58:01 AM

So Tom, would using the LSC brackets, calipers and rotors make for a direct fit without mods to make the 5 lug swap?

Can 4 lug axles be drilled for 5 lug?

Reply #67 – February 26, 2013, 11:55:41 AM

YES if the axle placement is identical. I researched this a long time ago for my mustang when i did it. If memory serves me it is a good fit!!

Can 4 lug axles be drilled for 5 lug?

Reply #68 – February 26, 2013, 11:59:48 AM

LSC axles are longer...I would think you' still need to change where the caliper mount locates to the rearend housing..?

Can 4 lug axles be drilled for 5 lug?

Reply #69 – March 02, 2013, 10:10:15 AM

http://discbrakesrus.com/make/ford/brakerotorsrear.htm
Looks like I may have found some 5 lug rotors that will work on the TC 5 lug conversion. If you scroll down the page on this link, they are listed as the 10.25 rotors, kit #5455. Per my emails with them the dimensions appear to be correct. They actually have 3 different versions.

overall height 2-21/64 diameter 10-11/64 (type vented rotor)
bolt circle 4-1/2 inch (Ford mustang)

Can 4 lug axles be drilled for 5 lug?

Reply #70 – March 02, 2013, 10:35:04 AM

Order them up and let us know if they work. They will take them back if they do not fit right. The one thing you need to ask them is if the hub is correctly machined for the SN95 axles. If it is too large they make an adapter for them. If it is too small they may be able to open them up.

Darren