Just wondering if there is any info out there on converting the 5-lug on the FD to a center-lock nut like on a full blown track car... i searched but found nothing. just wondering if anyone knew anything...

not really considering it, but i am interested if it's possible. lets hear it guys

 

Are you aware that a center nut requires massive tightening torque? I think the new Porsche GT has a spec of 600 ft-lbs. They provide a special tool to reduce the effort to only 150 ft-lbs....gulp.

I fail to see the desire or need for such a modification. But anything's possible, given enough time and money.

 

are you aware that i clearly stated in my first post that I said i am not considering doing this.

i was just thinking about the idea after looking through some of my Petit Le Mans coverage, and wanted to know if anyone had any info. I am aware of the torque required, but that is not what I was asking. thanks

 

I don't know of any FD specific kits. At minimum you would have to make custom pin drive spindles which would also mean you get to make custom brake rotors too. At that point all you need is a set of center lock wheels that has the correct seat to match the spindle you made.

You can see why you don't see this done for street cars...

 

when i asked the question i was told pettit could do it. they have a center lock setup on their white FD that i have seen in person at sebring. but like everybody else said its kinda expensive. i was told by another forum member (but did not confirm) that pettit wanted a $1000 per axle. plus the new rotors / brake mounting hardware and the new wheels.

 

thats about what i was thinking.

 

My dad had a 1973 Triumph GT-6 MkIII and it had centrlock wheels (done for wire wheels). They had an adaptor that bolted onto the hub and the wheel bolts onto that. You'll probably need to get shorter studs. There are many disadvantages of this though as wheel selection will be severely limited (only really expensive race wheels), you need the right wrench to change a flat (no-one else will have it so you forget it and you're screwed), and there are other disadvantages. The only advantage is fast change at races, so it's useless on the street.

 

Just get some wire wheels with knock offs.

 

Pettit can do the conversion for you... their SpeedGT car had center-lock Forgelines. I called one time about it, and it seems to me it was either $900... or $900 per/corner... I can't remember.

McLaren F1's are center lock as well... I remember that the car comes with a billet alluminum "wrench" for them. I don't know how you'd apply 600 ft/lbs with it though.

 

I have two tq wrenches in my office that go up to 600ft/lbs. Of course they are over 4 ft long.

 

Gear reduction torque wrench

 

You need a really long bar to get the torque, or use a hammer.

 

you probably nead a lead hammer just like what you use to put on real Daytons...Its amazing how you hammer the **** out of it but it doesnt get dented or scratched...

 

You are teh winnar! Funny how you got ignored.

 

the other day when i saw his post i searched the internet for a picture of the wrench you get when you buy a Carrera GT, but i couldn't find one, then i got sidetracked... but i saw it on TV somewhere, it's pretty damn cool

 

It certainly can be done using two methods- the cheap route and the right way.

Cheap way is to use outer hubs mounted to stock spindles. This puts undue stress on the stock wheel bearings and is NOT recommended. Cost is about $500 per corner. http://www.hrpworld.com/index.cfm?fo...action=product

The right way is to install a complete hub assembly with inner and outer hubs, bearings, etc. This runs about $1000 per corner, but you still have to have your stock uprights modified with Howe style (or similar) spindles. http://www.hrpworld.com/index.cfm?fo...action=product

Gene

 

Wow, thanks so much for those links. That is very reasonable price, the products from HRP look top notch as well. -Thanks again, Charlie