Offset 101 For Dummies - Page 3 - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

PhilVia · 12-29-2007, 02:52 AM

lol ..... here play with this http://www.rims-n-tires.com/info_specs.jsp
.
.
.
.

*let5l1de* · 01-09-2008, 12:44 AM

this is an example of my rear setup im currently using:
Volk CE28N
18x9.5 +28 offset
265/35/18
negative 2deg camber

This rim resembles the 1st illustration on the left showing positive offset. Since the illustrations below are exaggerated a bit to show the differences, it has a curb appearance of the center illustration even tho my rear setup is positive.

These are pics from the back of the rim showing coilover to rim clearance. The clearance between the rim and coilover is about 30mm total. (be sure to leave at least 4mm open space for things to move, otherwise you will rub)

this is how the rear looks with this setup. with minor lip massaging and -2deg. camber adjustment, the wheel tucks without major rubbing.

Nismo240R · 01-09-2008, 01:36 AM

Do you have pic of clearance in the front???

Very nice post btw

usdm180sx · 01-09-2008, 10:31 AM

Quote:

Originally Posted by PhilVia

lol ..... here play with this http://www.rims-n-tires.com/info_specs.jsp
.
.
.
.

Nice, but it doesn't allow for stretched tires

powersteeringless180sx · 01-10-2008, 02:04 AM

great thread for people who don't understand offset and wheel fitment. hopefully everyone on zilvia will now have wheels that sit flush.

sldbyuramg · 01-17-2008, 10:07 PM

great explaination. all of them

k's_silvia2.0 · 01-23-2008, 07:06 PM

Does anyone know if a +38 offset is a good offset?

*MrChow* · 01-23-2008, 07:12 PM

^^ Uh??

It isn't? That's high. Go to the fittment thread.

k's_silvia2.0 · 01-23-2008, 07:13 PM

^Just curious thats all.

*firelizard* · 01-23-2008, 07:15 PM

Quote:

Originally Posted by k's_silvia2.0

Does anyone know if a +38 offset is a good offset?

It's a pretty good one. The curves of the three echo those of the eight, but the incomplete circles of which it is compose draw the eye to the contrasting right angles of the 'plus' sign, traditionally associated with positive feelings.

or you could search

*MrChow* · 01-23-2008, 07:16 PM

Oh lol. stock offset is around 40 ish +. Does that help?

*babowc* · 01-23-2008, 07:20 PM

I think it'd be alot more useful if we can find out what kind of backspacing clearance we have with STOCK wheels on S13 and S14.

then you can just plug your sizing into a offset calculator on that miata webpage and find it out from there on.

obviously, stock struts and coilovers have different clearances and its all different for every different coilover.

Providing a base of what the clearance would be with ALL stock parts would basically lay a foundation for others to build on, though.

Unfortunately, I dont have any of these informations.

*s13.dark1* · 01-23-2008, 07:34 PM

i guess i can learn something new everyday. its simple

NI_YON_Zenki · 01-30-2008, 01:16 AM

wow, looks like it's gone abit lower or negative than 101

good offset calc. find philvia, I would've never gone further than tirerack or some shit of the same! lol. I just study the books and common knowledge. + I have my wheels. haha.

But, ahem. to keep to the current trend subject. I feel it depends on the complete system of the wheel to determine whether the +38 offset is good for a car, let alone FR, if being placed in the
rear?

I could hear these numbers being thrown around the pits of WRC or SCCA rally.

Jus Skott · 01-30-2008, 06:55 PM

wow that was so easy to understand even a cave man can do it now. lol

*TougeLabs* · 02-05-2008, 02:42 AM

18x10.5 with -7
for front with vertex fenders
18x12 0 offset with vertex rear 35mm fenders

will these fit ???

s14 chassis

*cxlo8331* · 02-11-2008, 11:57 PM

Quote:

Originally Posted by usdm180sx

Nice, but it doesn't allow for stretched tires

^^HAHA I was gonna say the same thing. I was trying to get it to do a 225 on a 10 for like 45secs, but it only would do a 255.
FAIL.

redline racer510 · 02-17-2008, 10:10 PM

I have a 90 240sx and i want some fn01rc's preferably 17x9 that have a deep dish look what offset do you guys recommend and will these clear a 300zx brake set up and coilovers without them sticking out if not what do i need any opinions or recommendations are appreciated
thank you

usdm180sx · 02-18-2008, 10:14 AM

Quote:

Originally Posted by redline racer510

I want some fn01rc's preferably 17x9 that have a deep dish look

fn's don't have dish...

tougefactory · 02-19-2008, 12:40 PM

Quote:

Originally Posted by TougeLabs

18x10.5 with -7
for front with vertex fenders
18x12 0 offset with vertex rear 35mm fenders

will these fit ???

s14 chassis

It might be tight on the inner clearence for the front, what size front over fender? Also what brakes. The rears your going to have to MAKE work with proper camber and tire size.

jotronic · 05-14-2008, 06:18 PM

Thanks for sharing this info. It was clear enough for an old fart like me

shadow_s13 · 05-14-2008, 06:32 PM

Every Nice!!! Thanks. ^_^

vehicle_5 · 05-29-2008, 04:43 PM

Very nice guide. I had no idea about offset before reading this thread. Now all I have to do is study up on camber and tire sizes and then I'll truly grasp the idea of wheel fitment.

Fastimport · 05-31-2008, 09:55 PM

Quote:

Originally Posted by SiI40sx

Conversion: 1 INCH = 25.4mm

example: 17x10 rim is 254mm wide

Not quite.........
When a rim is said to be 10" or 7" wide, that is the width where the tire sets.
Actuall rim width is usually about 1" wider because of the lip thickness.
(aprox. 1/2" per lip)

So a 10" rim is actally 11" wide on the outside.
And this 1/2" will sometimes cause clearance problems with shock bodies, tires, etc..

beeracing s14 · 05-31-2008, 10:03 PM

if there is someone who still cant understand this simple examples... ill hit him in the head.

*DriftCat* · 06-17-2008, 11:24 AM

For the life of me I can never keep straight which direction is positive or negative when dealing with offset.

serah31500 · 07-01-2008, 06:29 AM

Sorry guys I couldnt find pics or info with anyone running a setup similar to what I am considering for my stock bodied s13 w/coilovers so I figure I just ask for help. The wheels I am considering are 18x9.5 and 18x10.5 with a -10 offset for all.I am assuming I am going to have to do some pulling/rolling but how much? I tried digging up pics but no luck if anyone can find any that would be great. Thanks guys!

sr20 driver · 07-03-2008, 11:25 PM

can anyone just tell me what width of rims do i need for them not to rub anything with 0 offset and them being as close as possible on both sides i dont want them sticking out i want them under the fenders their 18'' and on an s13

240MADNESS · 08-13-2008, 08:28 PM

Very understandable. But i'm addicted to negative offset. Very good thread.

Import_Prophetz · 08-19-2008, 12:12 AM

BEST POST EVER! This post makes it easier to explain to people what and how offset works. Now I dont even have to talk to them, I just link them here. +1 to you

12-29-2007, 02:52 AM	#61
PhilVia Zilvia Member Join Date: Jul 2007 Location: San Diego Posts: 254 Trader Rating: (1)	lol ..... here play with this http://www.rims-n-tires.com/info_specs.jsp . . . . __________________ AINOKEA......

01-23-2008, 07:06 PM	#67
k's_silvia2.0 Post Whore! Join Date: Mar 2007 Location: 909/951 Age: 23 Posts: 4,990 Trader Rating: (14)	Does anyone know if a +38 offset is a good offset? __________________ Click here to see my Buyer/Seller thread!!!. http://i36.tinypic.com/34e3n7b.png http://i57.photobucket.com/albums/g2...oukebigsig.jpg

01-23-2008, 07:13 PM	#69
k's_silvia2.0 Post Whore! Join Date: Mar 2007 Location: 909/951 Age: 23 Posts: 4,990 Trader Rating: (14)	^Just curious thats all. __________________ Click here to see my Buyer/Seller thread!!!. http://i36.tinypic.com/34e3n7b.png http://i57.photobucket.com/albums/g2...oukebigsig.jpg

01-30-2008, 01:16 AM	#74
NI_YON_Zenki Zilvia Addict Join Date: Mar 2004 Location: Riverside, California Posts: 853 Trader Rating: (2)	wow, looks like it's gone abit lower or negative than 101 good offset calc. find philvia, I would've never gone further than tirerack or some shit of the same! lol. I just study the books and common knowledge. + I have my wheels. haha. But, ahem. to keep to the current trend subject. I feel it depends on the complete system of the wheel to determine whether the +38 offset is good for a car, let alone FR, if being placed in the rear? I could hear these numbers being thrown around the pits of WRC or SCCA rally. __________________ "GHOST" Last edited by NI_YON_Zenki; 01-30-2008 at 01:21 AM. Reason: its mine!

01-30-2008, 06:55 PM	#75
Jus Skott Leaky Injector Join Date: Dec 2006 Location: R.VA. Posts: 101 Trader Rating: (0)	wow that was so easy to understand even a cave man can do it now. lol __________________ AIM: skottie boi75

01-09-2008, 12:44 AM	#62
let5l1de premium bullsh!t sifter Join Date: Dec 2007 Location: 626DRIFT, ca Posts: 1,015 Trader Rating: (23) Rides Gallery: let5l1de	this is an example of my rear setup im currently using: Volk CE28N 18x9.5 +28 offset 265/35/18 negative 2deg camber This rim resembles the 1st illustration on the left showing positive offset. Since the illustrations below are exaggerated a bit to show the differences, it has a curb appearance of the center illustration even tho my rear setup is positive. These are pics from the back of the rim showing coilover to rim clearance. The clearance between the rim and coilover is about 30mm total. (be sure to leave at least 4mm open space for things to move, otherwise you will rub) this is how the rear looks with this setup. with minor lip massaging and -2deg. camber adjustment, the wheel tucks without major rubbing.

01-10-2008, 02:04 AM	#65
powersteeringless180sx Zilvia Addict Join Date: Mar 2006 Location: SoCal (Orange County) Age: 28 Posts: 868 Trader Rating: (1)	great thread for people who don't understand offset and wheel fitment. hopefully everyone on zilvia will now have wheels that sit flush.

01-17-2008, 10:07 PM	#66
sldbyuramg Zilvia Member Join Date: Jan 2008 Location: san diego Age: 27 Posts: 275 Trader Rating: (1)	great explaination. all of them

01-23-2008, 07:20 PM	#72
babowc Premium Member Join Date: Nov 2005 Location: G.NET Posts: 1,792 Trader Rating: (1)	I think it'd be alot more useful if we can find out what kind of backspacing clearance we have with STOCK wheels on S13 and S14. then you can just plug your sizing into a offset calculator on that miata webpage and find it out from there on. obviously, stock struts and coilovers have different clearances and its all different for every different coilover. Providing a base of what the clearance would be with ALL stock parts would basically lay a foundation for others to build on, though. Unfortunately, I dont have any of these informations.

01-23-2008, 07:34 PM	#73
s13.dark1 Premium Member Join Date: Jan 2008 Location: oakland Posts: 282 Trader Rating: (3)	i guess i can learn something new everyday. its simple

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02-05-2008, 02:42 AM	#76
TougeLabs Premium Member Join Date: Jan 2007 Location: New York Age: 24 Posts: 967 Trader Rating: (2)	sorry i just want someone to tell me yes or no 18x10.5 with -7 for front with vertex fenders 18x12 0 offset with vertex rear 35mm fenders will these fit ??? s14 chassis

02-17-2008, 10:10 PM	#78
redline racer510 Zilvia Junkie Join Date: Dec 2007 Location: California Posts: 305 Trader Rating: (1)	FN01RC's I have a 90 240sx and i want some fn01rc's preferably 17x9 that have a deep dish look what offset do you guys recommend and will these clear a 300zx brake set up and coilovers without them sticking out if not what do i need any opinions or recommendations are appreciated thank you

05-14-2008, 06:18 PM	#81
jotronic Join Date: May 2008 Location: Seattle/Vancouver Age: 40 Posts: 16 Trader Rating: (0)	Thanks for sharing this info. It was clear enough for an old fart like me

05-14-2008, 06:32 PM	#82
shadow_s13 Join Date: May 2008 Location: Ashland, KY Age: 24 Posts: 35 Trader Rating: (0)	Every Nice!!! Thanks. ^_^

05-29-2008, 04:43 PM	#83
vehicle_5 Join Date: May 2008 Location: Mesa, AZ Age: 23 Posts: 17 Trader Rating: (0)	Very nice guide. I had no idea about offset before reading this thread. Now all I have to do is study up on camber and tire sizes and then I'll truly grasp the idea of wheel fitment.

05-31-2008, 10:03 PM	#85
beeracing s14 Zilvia Junkie Join Date: Sep 2006 Location: san marino,CA Posts: 590 Trader Rating: (1)	if there is someone who still cant understand this simple examples... ill hit him in the head.

06-17-2008, 11:24 AM	#86
DriftCat Baller on a Budget Join Date: Jun 2008 Location: in your butthole Age: 21 Posts: 46 Trader Rating: (0)	For the life of me I can never keep straight which direction is positive or negative when dealing with offset.

07-01-2008, 06:29 AM	#87
serah31500 Join Date: Aug 2005 Location: Grass Shack Age: 30 Posts: 35 Trader Rating: (1)	Sorry guys I couldnt find pics or info with anyone running a setup similar to what I am considering for my stock bodied s13 w/coilovers so I figure I just ask for help. The wheels I am considering are 18x9.5 and 18x10.5 with a -10 offset for all.I am assuming I am going to have to do some pulling/rolling but how much? I tried digging up pics but no luck if anyone can find any that would be great. Thanks guys!

07-03-2008, 11:25 PM	#88
sr20 driver Leaky Injector Join Date: Nov 2007 Location: sacramento Posts: 62 Trader Rating: (0)	can anyone just tell me what width of rims do i need for them not to rub anything with 0 offset and them being as close as possible on both sides i dont want them sticking out i want them under the fenders their 18'' and on an s13

08-13-2008, 08:28 PM	#89
240MADNESS Join Date: Jul 2008 Location: del rio Posts: 8 Trader Rating: (0)	Good Thread Very understandable. But i'm addicted to negative offset. Very good thread.

08-19-2008, 12:12 AM	#90
Import_Prophetz Leaky Injector Join Date: Aug 2006 Location: Colorado Posts: 106 Trader Rating: (0)	BEST POST EVER! This post makes it easier to explain to people what and how offset works. Now I dont even have to talk to them, I just link them here. +1 to you

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