EatZrib Posted December 30, 2010 Share Posted December 30, 2010 Hey people I'm new to this whole thing so please take it easy. Anyways, I have a 1983 280zx 2+2 with 17x7 konig's image with a fat spacer.. I want to get new wheels but with a more aggressive look. What's the lowest offset i can go with this car? I want to run basically a stock setup for right now but maybe later on throw on some coilovers. And maybe fender rolling. Quote Link to comment Share on other sites More sharing options...
19762802+2 Posted December 30, 2010 Share Posted December 30, 2010 http://forums.hybridz.org/index.php/topic/82185-pictures-of-my-girls/page__hl__slownrusty Read through this thread, it should help you out some, but your probably going to have to do a lot on your own as well, If you figure out the appropriate backspacing for your car everything else should follow suit. Quote Link to comment Share on other sites More sharing options...
EatZrib Posted December 30, 2010 Author Share Posted December 30, 2010 Thanks a lot buddy. Will look through this Quote Link to comment Share on other sites More sharing options...
BluDestiny Posted December 30, 2010 Share Posted December 30, 2010 Offset depends on the rim width. Example. You have a 10" wide rim, with 0 offset then the face of the wheel is 5" in. If you you want negative offset you move the face closer to the inside(towards calipers), say to 4" then you have a negative inch(-25 offset) of backspacing. If you move it out to say 6" then you have an inch of positive offset(+25 offset). Offset is measured in millimeters so just convert 1 in = 25.4 mil You need about 4" of backspacing to clear stock brake calipers. Quote Link to comment Share on other sites More sharing options...
19762802+2 Posted December 30, 2010 Share Posted December 30, 2010 Offset depends on the rim width. Example. You have a 10" wide rim, with 0 offset then the face of the wheel is 5" in. If you you want negative offset you move the face closer to the inside(towards calipers), say to 4" then you have a negative inch(-25 offset) of backspacing. If you move it out to say 6" then you have an inch of positive offset(+25 offset). Offset is measured in millimeters so just convert 1 in = 25.4 mil You need about 4" of backspacing to clear stock brake calipers. Offset is just a byproduct of backspacing, the important part is backspacing and then you apply that backspacing to the width of the rim you want and the resulting offset is just what you have. You want to adjust your wheels for backspacing not offset. There are lots of backspacing and offset calculators on the internet that you can use. Quote Link to comment Share on other sites More sharing options...
EatZrib Posted December 31, 2010 Author Share Posted December 31, 2010 Thanks for all the help people. I'll be using all the info to choose the right rim/size. Quote Link to comment Share on other sites More sharing options...
ovenfood Posted January 4, 2011 Share Posted January 4, 2011 If it helps 10" wide rims "should" fit all around at 0 offset. My mate used 10" wide at -19 offset and puffed fenders it was hot :> Quote Link to comment Share on other sites More sharing options...
19762802+2 Posted January 4, 2011 Share Posted January 4, 2011 (edited) Judging by this you couldn't run 10" rims with 0 offset on a s130 if the the backspacing is 4" on a S130. Edited January 4, 2011 by 19762802+2 Quote Link to comment Share on other sites More sharing options...
ovenfood Posted January 4, 2011 Share Posted January 4, 2011 That may be true it was a while since i measured it up. But i do know for sure the 10" at -19 offset had ton's of room. I was almost certain that there was more than 2cm of room behind the wheel. Mind you he is running S13 suspension. :> Quote Link to comment Share on other sites More sharing options...
sticky280zx Posted January 4, 2011 Share Posted January 4, 2011 -19 makes up for that buddy....10 @ 0 wouldnt fit (unless you have coils, then it will) ask me how i know. BUT an 8 -25 is nice 9.5 -19 is nice 10 -20 to -25 or so should work on stock suspension...etc (talking rear here) i dont see much use on anything bigger than a 235 or so width tire up front...anything else will rub and no need for a 235 on a 10 unless you realllly want it to look dumb. Stick with an 8, 8.5, 9, on the front and focus on squeezing as much TIRE on the back vs rim, remember not much of a purpose to put the same 215s on a 10" wheel when you could fit the same size on stock wheels... make your rim/tire combo USEFULL Quote Link to comment Share on other sites More sharing options...
ovenfood Posted January 5, 2011 Share Posted January 5, 2011 Yes, sorry should of mentioned he was using S13 coil over front and back. :> Quote Link to comment Share on other sites More sharing options...
rwdawg2 Posted January 25, 2011 Share Posted January 25, 2011 Does anyone have any pictures of a 10" or wider rim on the back of there 280zx. I'd love to see it. Thanks for the thread. Tons of useful stuff on here. Quote Link to comment Share on other sites More sharing options...
ovenfood Posted January 25, 2011 Share Posted January 25, 2011 The back is the standard suspension setup, The front has had the s13 hubs put on it (not sure how it affects offset). I was told they are 10" wide -19 offset but they are rotas so they may be 9.5" wide. Quote Link to comment Share on other sites More sharing options...
rwdawg2 Posted January 26, 2011 Share Posted January 26, 2011 Yeah OVENFOOD. I've been keeping up with your progress. Looks good, keep it up. Anyone else out there? Quote Link to comment Share on other sites More sharing options...
19762802+2 Posted January 26, 2011 Share Posted January 26, 2011 Yeah OVENFOOD. I've been keeping up with your progress. Looks good, keep it up. Anyone else out there? Slownrusty's s130 has the Rota's as well and he talks about the modifications he had to do to make them fit in one of his threads as well. Quote Link to comment Share on other sites More sharing options...
sticky280zx Posted January 26, 2011 Share Posted January 26, 2011 the rotas require NO mods....on stock suspension and even on "lowering spring" cars, its when you go lowww or depending on what tire size/brand you run, but a fender roll will solve any type of slight rubbing. 275-40-17 on the 9.5s was no problem on many of the zx's ive put them on Quote Link to comment Share on other sites More sharing options...
kiwi303 Posted March 6, 2011 Share Posted March 6, 2011 Judging by this you couldn't run 10" rims with 0 offset on a s130 if the the backspacing is 4" on a S130. Bingo! Just the chart I was looking for, I knew there was something around that would be useful in workign out my backspacing for the offsets. I currently have 2 bids on different wheels, If I win both, well, I'll just wait till they get here and decide which to keep once I've seen them with my own two eyes, but with a low bid on each I'm not waiting breathlessly to win... I'll see if everyone else bids lower than me Anyway, a set of wire rims, 15x7 +25 offset, and a set of Boyds 17x7 0 offset. According to the chart above the backspacings are respectively 5" and 4" The 10" -19 rims mentioned in this thread works out about 4 3/4" so 5" on the wires should be acceptable as that is only 1/4" more, but I might need some spacers. If they don't fit the ZX, they should fit my van... Just got to find the maximum allowable backspacing for the S130 now. Quote Link to comment Share on other sites More sharing options...
slownrusty Posted March 6, 2011 Share Posted March 6, 2011 (edited) I wish that was the case with a coilovered S130..I had nothing but expensive and tedious issues with my 9.5" wide -19mm Rotas...it worked out in the end but what an effort. the rotas require NO mods....on stock suspension and even on "lowering spring" cars, its when you go lowww or depending on what tire size/brand you run, but a fender roll will solve any type of slight rubbing. 275-40-17 on the 9.5s was no problem on many of the zx's ive put them on Edited March 7, 2011 by slownrusty Quote Link to comment Share on other sites More sharing options...
sticky280zx Posted March 6, 2011 Share Posted March 6, 2011 well depends on how low you go...like i said shock/spring car it fit fine, and on the particular black car i had, i didnt want it as low as i could get it because my dad was going to buy it back and he would never have wanted it lower than it was, but then again im still looking to go 1/2" to an inch lower all around on my 2+2 which is already low enough, but can go slightly lower and still use the same wheel/tire combo and not rub. Quote Link to comment Share on other sites More sharing options...
AKZX Posted March 9, 2011 Share Posted March 9, 2011 So then something around 8.5" with around +35mm offset should fir just fine? Quote Link to comment Share on other sites More sharing options...
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