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-   -   Lowering issues with ZR1's? (https://ls1tech.com/forums/wheels-tires/620588-lowering-issues-zr1s.html)

CaMaRo67RS355 Dec 7, 2006 02:30 PM

Lowering issues with ZR1's?
 
getting ready to buy chrome ZR-1s 17x9.5 in front and 17x11 in back will i have any issues with lowering my 02 SS?

02NHRAtransAm Dec 7, 2006 03:22 PM

the front no.... the rear more than likley will have fitment issues

CaMaRo67RS355 Dec 7, 2006 03:26 PM

what kind of fitment issues?

02NHRAtransAm Dec 7, 2006 03:47 PM


Originally Posted by CaMaRo67RS355
what kind of fitment issues?

bumpstops will have to be removed/relocated... may have to do some sheetmetal work... :search: im sure there are tons of topiocs on this already out there.

'Trust' Dec 7, 2006 04:19 PM

It depends on the tires you get, you'll probably have no modifications if you go with say a Sumitomo tire, or a Nitto 315. Its best to do the BFH mod and roll the fenders if you go with any ohter manufactures as they run wider.


Originally Posted by 02NHRAtransAm
bumpstops will have to be removed/relocated... may have to do some sheetmetal work... :search: im sure there are tons of topiocs on this already out there.

No sheet metal work (like tubbing), at least not until you go to a 345mm tire.

Urban Legend Dec 7, 2006 04:45 PM

I only did the hammer mod and the aphr (with a 50mm offset/315s Goodyear GS D3s/lowered). Do not worry about bumpstops.

CaMaRo67RS355 Dec 7, 2006 09:42 PM

whats the biggest tire width wise i can run with 17x11's? 315 or 345 or what? ill probably run the nitto 555r's

CaMaRo67RS355 Dec 7, 2006 10:51 PM

i'll probably lower it like only a 1 & 1/2

'Trust' Dec 7, 2006 10:57 PM


Originally Posted by CaMaRo67RS355
whats the biggest tire width wise i can run with 17x11's? 315 or 345 or what? ill probably run the nitto 555r's

You *could* run a 335, but I wouldn't do it. Stick with a 315 unless your getting a bigger wheel. I'm lowered almost 2 inches with 17x11's with WIDE 315's (They measure just over 12 inches across) and I have no problems, still have bumpstops too.

CaMaRo67RS355 Dec 15, 2006 05:38 PM

anyone else had ZR-1's with a lowered car?

mzoomora Dec 15, 2006 06:37 PM

My fronts were fine, but I only had 275's on 9.5's in the back.

casey02ws6 Dec 15, 2006 09:35 PM

I had to do the BFH mod 0- I did not need an adj phb or rolling my fenders.

http://img.photobucket.com/albums/v9...6/TransAm3.jpg

LS1speedy Apr 27, 2007 04:31 PM

bump

need more info

TheLS1Kid Apr 27, 2007 04:51 PM

I have 17x11 ZR1's +50mm offset with 315/35-17 Goodyear Eagle F1 GS-D3's(the fattest 315 you can get).

All i had to do was BFH the inner fender. It wasnt even that bad. The metal bends fairly easy. Dont be scared of the BFH.

I did not need an adjustable panhard rod but i am going to get one because my rearend is not perfectly centered. I also dont need tubular LCA's but I am going to get a set just so i can have a little more clearance.


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