haloseven

Hey guys,
I've searched and looked but have gotten some conflicting or confusing info. Looking for some clarification I have an 01 gs300 and am putting some 09 is350 18inch wheels. If I do a 40mm sage kit to take some fender gap out. What size tires will work without rubbing or any mods? Was looking st 235/40 up front and 245/40 rear.

Thanks

dreamcar88

iTrader: (1)

go 40 mm front and back and ull be good. Im in the same boat and im going to hold off and get coils. rcas are around 450 for front and back . Tires will be fine

haloseven

just wanted to update. did a 30mm megan racing RCA up front and running 235s and 245s on is350 18" rims with LS Brakes . best money ive spent on a car in a long time.

liazon

iTrader: (1)

post some pics plz

dreamcar88

iTrader: (1)

pics!!!! good sir

joebor1776

Is this on the stock suspension? I'm getting ready to do 30mm RCAs up front only, with stock suspension (I'm also on 18s). Wondering if it will look weird, so looking forward to seeing your pics. Also wondering if you needed an alignment after installing the RCAs, and if not, did you adjust your stock eccentric adjustment bolts up front after installing the RCAs. Thanks!

haloseven

Sorry for the delay, here are the pics.

IS350 Wheels, 235 front 245 rear
megan racing 30mm RCAs
DEPO LED Tails
Black Pearl OEM Rear Badging
LS400 Front Brakes
oh, and i picked it up in January with only 60k miles on it. its an 01

silverbul

This was my set up before I sold my wheels. 245/40 in the front & 255/40 in the rear. No rubbing at all.

FiveSeven

iTrader: (3)

so i hate to sound like a super newb but do RCA kits work similar to wheel spacers?

silverbul

Rca's lowers the car. Spacers only push the wheels out to flush with the fenders.

FiveSeven

iTrader: (3)

ahh why not just get a coilover set up or traditional spring?

haloseven

bump for a little more help. I got a great deal on a set of GS F-Sport wheels. 19x8 and 19x9, Im still on stock suspension with the 30MM RCA's, Im trying to maximize my tire fit, I have a line on a set of 275/30/19 for the rears, but i want to make sure they are going to fit with the 60mm offset on the rear wheels. also, doing 235/35/19 on the front, anyone else have any experience? tires have always been my weakness.

thanks in advance.

firelizard

iTrader: (1)

RCA is cheap, corrects lower arm angle on lowered cars, and can be added to a fixed spring drop for an exact amount, without affecting spring rates.