Quick Question about brake clearance

kenchan · 06-18-2014, 05:49 PM

Quote:

Originally Posted by cooltoy

I know. I have considered all that. You'll probably lose respect for me, if I told you looks are more important to me.

if so, you should go all the way and lower your ride. then you will have better wheel selection as the camber will work in your favor.

Quote:

Originally Posted by cooltoy

OK. That's fair, the sidewall on 245 on +32 will be flush with the outside of the fender.

i can tell you that my ET33 19x9 running 245/40/19 still has some room to spare. it's tucked under the fender nicely, not sunken in and no poke.

the only thing that might not work out with your 20" is your sidewall thickness vs wheel gap. basic rule of thumb for dress up is for the wheel gap to be no more than 1/2 the height of the sidewall.

cooltoy · 06-18-2014, 06:29 PM

Quote:

Originally Posted by kenchan

if so, you should go all the way and lower your ride. then you will have better wheel selection as the camber will work in your favor.

Wish I could, but I want to get the Amuse kit. I want to be able to get into the underground parking lot at work. Right now I have 1 3/4' to spare if I go in under an angle. I will loose 0.5' with the kit, that does not leave much lowering space.

kenchan · 06-18-2014, 07:39 PM

Quote:

Originally Posted by cooltoy

Wish I could, but I want to get the Amuse kit. I want to be able to get into the underground parking lot at work. Right now I have 1 3/4' to spare if I go in under an angle. I will loose 0.5' with the kit, that does not leave much lowering space.

oh i c... can you take your dd to work? you're not going to be driving your Z in the winter anyway, right?

this is your hobby car, you should make no compromise.

i dont take my Z to work either.

cooltoy · 06-18-2014, 07:55 PM

Its a dd in the summer and fall untill the first snow.

andrewbennett · 06-19-2014, 05:37 AM

The measurement you are actually looking for (if I am not completely off base) Is the disk type. I know higher end companies will have different disk types for the same kind of wheel therefore allowing clearance for different brake sizes. With Vossen you should be able to simply call the manufacturer and ask about the offset and the car and they should have a chart with all of the measurements they can cross reference.

kenchan · 06-19-2014, 10:05 AM

yah, some do note that in their description, but it's really the spoke design that determines whether it clears the caliper or not, so unless the manufacturer test fitted on the car it's hard to tell.

kenchan · 06-19-2014, 10:07 AM

Quote:

Originally Posted by cooltoy

Its a dd in the summer and fall untill the first snow.

i see... that's a compromise then.

i would stick with your stock bumper, lower it, and get the CV2's. that would look better than amuse body kit, not lowered, and wheel gap. you have to commit to a style, can't just half arse it hoping it will look okay. especially since you are going for DRESSUP.

Zteve · 06-20-2014, 08:36 AM

Quote:

Originally Posted by cooltoy

Instead of starting a new thread, I though I'd piggy back onto this one (since the OP's question was answered).

My question has to do with break clearance as well. I understand that offset does not always guarantee Akebono clearance. I understand that it has to do with spoke design and etc.

What I was wondering - is there a measurement I can request from a shop or the manufacturer, that will help me check the clearance, without having to put the rim on.

I am not able to find a shop that sells the rims I was looking at, so they need to be ordered on line. It would be great if there was a way to measure if the wheels would fit without actually having a the wheel on hand.

you bring a valid point there, i have seen wheels with the same offsets, same width/diameter but different spoke design where one would fit and another banged on the caliper. the new style sport rays are extremely close to the calipers, seriously measured in millimeters. unfortunately the only way to find out 100% is to put them on and see if they clear or not. if you really like the one that does not clear just get a 5mm spacer which will give just enough to clear a caliper but not mess with the body that much, if at all

cooltoy · 06-20-2014, 08:58 AM

I'd be ok with a spacer if I knew that 5 mm would be enough.

cooltoy · 06-20-2014, 10:22 AM

Quote:

Originally Posted by kenchan

i see... that's a compromise then.

i would stick with your stock bumper, lower it, and get the CV2's. that would look better than amuse body kit, not lowered, and wheel gap. you have to commit to a style, can't just half arse it hoping it will look okay. especially since you are going for DRESSUP.

It's kind off funny, but to my eye coming of the Celica, the 370 wheel gap looks very small.

kenchan · 06-20-2014, 11:33 AM

Quote:

Originally Posted by cooltoy

It's kind off funny, but to my eye coming of the Celica, the 370 wheel gap looks very small.

yah, the Z's gap in stock form (at least looking at the 19's) is even with the sidewall so it's not pronounced. as long as you run 19's with adequate sidewall height and conservative offsets, it would not look weird.

if you introduce 20's with shorter sidewall, then the gap will be more noticable even if you ran conservative offset.

especially when you introduce an agressive bumper like the amuse to the mix, you have to commit to that theme which will basically "require" you to lower your ride... otherwise your bumper/wheel will look out of place and your car's theme will be unfocused. would look better stock.

cooltoy · 06-20-2014, 03:44 PM

You could be right. I wil see how it goes. What's the least of a drop? Swifts?

As always your input and honesty is much appreciated.

kenchan · 06-20-2014, 04:52 PM

Quote:

Originally Posted by cooltoy

You could be right. I wil see how it goes. What's the least of a drop? Swifts?

As always your input and honesty is much appreciated.

i dont know about the least drop, but the swifts are a decent drop and appears to match the dampers very well.

i run swifts on my dd with stock dampers. for the first time these lowering springs actually matched the stock damp rate very well. no undulations, no floaty feel.

with other lowerings ive tried on various cars (eibach, neuspeed, h&r, tein, tanabe, etc) they dont match very well to the stock damp rates and required aftermarket adjustable dampers.

ofcourse you can always get koni yellows and set it up with your swifts for an even more refined ride to your preference, but for dressup probably not needed.

cooltoy · 06-20-2014, 05:30 PM

Waiz · 06-21-2014, 01:39 AM

There is a template you can use and forward to anyone to double-check clearance

http://www.conceptzperformance.com/i...nttemplate.pdf

Brembos are alot smaller size caliper than the Akebono so you want to be sure

06-19-2014, 05:37 AM	#20 (permalink)
andrewbennett Base Member Join Date: Apr 2014 Location: Murfreesboro TN Posts: 183 Drives: '14 MR 6MT Sport Rep Power: 11	The measurement you are actually looking for (if I am not completely off base) Is the disk type. I know higher end companies will have different disk types for the same kind of wheel therefore allowing clearance for different brake sizes. With Vossen you should be able to simply call the manufacturer and ask about the offset and the car and they should have a chart with all of the measurements they can cross reference. cooltoy likes this.

06-21-2014, 01:39 AM	#30 (permalink)
Waiz A True Z Fanatic Join Date: Apr 2010 Location: SoCal Posts: 9,262 Drives: Z33 & GE8 Rep Power: 459	There is a template you can use and forward to anyone to double-check clearance http://www.conceptzperformance.com/i...nttemplate.pdf Brembos are alot smaller size caliper than the Akebono so you want to be sure cooltoy likes this.

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06-18-2014, 07:55 PM	#19 (permalink)
cooltoy Elite Member Join Date: Jun 2012 Location: Calgary Posts: 13,971 Drives: 14 PW 370Z S/T MT Rep Power: 243722	Its a dd in the summer and fall untill the first snow.

06-19-2014, 10:05 AM	#21 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141521	yah, some do note that in their description, but it's really the spoke design that determines whether it clears the caliper or not, so unless the manufacturer test fitted on the car it's hard to tell.

06-20-2014, 08:58 AM	#24 (permalink)
cooltoy Elite Member Join Date: Jun 2012 Location: Calgary Posts: 13,971 Drives: 14 PW 370Z S/T MT Rep Power: 243722	I'd be ok with a spacer if I knew that 5 mm would be enough.

06-20-2014, 03:44 PM	#27 (permalink)
cooltoy Elite Member Join Date: Jun 2012 Location: Calgary Posts: 13,971 Drives: 14 PW 370Z S/T MT Rep Power: 243722	You could be right. I wil see how it goes. What's the least of a drop? Swifts? As always your input and honesty is much appreciated.

06-20-2014, 05:30 PM	#29 (permalink)
cooltoy Elite Member Join Date: Jun 2012 Location: Calgary Posts: 13,971 Drives: 14 PW 370Z S/T MT Rep Power: 243722