rear wheel question - ZR-1 Net Registry Forums

edram454 · 11-25-2013

Hello,

does anybody know what the rear wheel offset is for a zr1. I bought 17/11 rears and they sent them for a regular corvette. I cant seem to find any for a original zr1 so I am wondering if adding a spacer would make it work. The salesman made a mistake when he sold me these wheels but I cant seem to find any that actually have a zr1 offset amold that are deepdish also. Will a spacer work? the guy at the tire place said get a 1 inch spacer and that should do it. Any help will be appreciated. edramos.

Kevin · 11-25-2013

there are no aftermarket deep lug rears on the market. the rear offset is 36mm I believe

GOLDCYLON · 11-25-2013

36MM is the correct rear offset. 50MM is the rear offset for a Grand Sport

WVZR-1 · 11-25-2013

Quote:

Originally Posted by edram454

Hello,

does anybody know what the rear wheel offset is for a zr1. I bought 17/11 rears and they sent them for a regular corvette. I cant seem to find any for a original zr1 so I am wondering if adding a spacer would make it work. The salesman made a mistake when he sold me these wheels but I cant seem to find any that actually have a zr1 offset amold that are deepdish also. Will a spacer work? the guy at the tire place said get a 1 inch spacer and that should do it. Any help will be appreciated. edramos.

The OE offset is 36mm as mentioned. If you want to use what you've bought then you need a 14mm spacer to "get even" BUT I'd suggest an 18mm spacer to move it just 4mm further. You need "hub-centric pass-through" spacers done by only a few vendors out there, you'll need 10 wheel studs also but the work isn't difficult. I've got 16mm, "Z51Jeff" I believe has 18's and Lee "LGAFF" has 18's also I believe. BTW - they're "safe"!!!

Definitely a NO on the 1" stuff. The fellow who did mine I understand is in poor health these days and isn't near you at all. If I can help at all ask. I know where I'd go if I needed to do them again and my old reliable fellow couldn't do them but maybe you'd rather maybe buy correct wheels.

What do you actually have for wheels now? Are you attempting to add "black" GS or just what?

Blue Flame Restorations · 11-25-2013

Carter200 on this forum makes the hubcentric spacers you need.

edram454 · 11-25-2013

14mm is that about 1 inch?? I can get hubcentric billet 1 inch spacers no problem.

edram454 · 11-25-2013

25 mm in a inch. so 14mm is just a little over half inch spacer. I thought it would be more?

edram454 · 11-25-2013

ok I will look around for 18mm hubscentric spacers. thanks.

edram454 · 11-25-2013

I threw my pitted amolds away today. I thought these would fit but they dont. I am in a pickle and need to make these work. the hubcentric spacers are spacers that mount on your hub with bolts and then you bolt the rims on to them. I dont think I will need new wheel studs just more bolts. I found a company that would make 20mm. Let see if I can find 18mm. I contacted carter200 to see if you can sell me some. thanks for your help. edramos.

WVZR-1 · 11-25-2013

Quote:

Originally Posted by edram454

I threw my pitted amolds away today. I thought these would fit but they dont. I am in a pickle and need to make these work. the hubcentric spacers are spacers that mount on your hub with bolts and then you bolt the rims on to them. I dont think I will need new wheel studs just more bolts. I found a company that would make 20mm. Let see if I can find 18mm. I contacted carter200 to see if you can sell me some. thanks for your help. edramos.

What I mentioned are "pass through" spacers NOT bolt-on adapters. The math is like this, the wheels you bought are 50mm, the ZR-1 wants 36mm, 50 - 36 gets you what I called "even". Everything else is moving the tire/wheel out-board more. I would think anything greater than 18mm is a push. I'd do and I have pass-through. You would need studs. Depending on how your new wheels are constructed you need a minimum of something 20mm or greater to use the adapter you mention. Post a snap-shot of the back-side of your wheel flange.

11-25-2013	#1
edram454 Join Date: Nov 2013 Location: .. Posts: 693	rear wheel question Hello, does anybody know what the rear wheel offset is for a zr1. I bought 17/11 rears and they sent them for a regular corvette. I cant seem to find any for a original zr1 so I am wondering if adding a spacer would make it work. The salesman made a mistake when he sold me these wheels but I cant seem to find any that actually have a zr1 offset amold that are deepdish also. Will a spacer work? the guy at the tire place said get a 1 inch spacer and that should do it. Any help will be appreciated. edramos.

11-25-2013	#2
Kevin Join Date: Jun 2005 Location: pittsburgh Posts: 4,632	Re: rear wheel question there are no aftermarket deep lug rears on the market. the rear offset is 36mm I believe __________________ It's not the car, it's the people - Doug Johnson 90 r/r "KEYS ON" nick named "T.L.B"

11-25-2013	#3
GOLDCYLON Join Date: May 2007 Location: Peoria, AZ Posts: 9,155	Re: rear wheel question 36MM is the correct rear offset. 50MM is the rear offset for a Grand Sport __________________ GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director 91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V

11-25-2013	#5
Blue Flame Restorations Join Date: Feb 2010 Location: Pendleton, IN Posts: 3,904	Re: rear wheel question Carter200 on this forum makes the hubcentric spacers you need. __________________ 1988 KOH Prototype EX5023 sold 1990 ZR-1 #444 Convertible 1990 ZR-1 Black #966 1991 ZR-1 Quazar Blue #296 1957 Duntov SS Project

11-25-2013	#6
edram454 Join Date: Nov 2013 Location: .. Posts: 693	Re: rear wheel question 14mm is that about 1 inch?? I can get hubcentric billet 1 inch spacers no problem.

11-25-2013	#7
edram454 Join Date: Nov 2013 Location: .. Posts: 693	Re: rear wheel question 25 mm in a inch. so 14mm is just a little over half inch spacer. I thought it would be more?

11-25-2013	#8
edram454 Join Date: Nov 2013 Location: .. Posts: 693	Re: rear wheel question ok I will look around for 18mm hubscentric spacers. thanks.

11-25-2013	#9
edram454 Join Date: Nov 2013 Location: .. Posts: 693	Re: rear wheel question I threw my pitted amolds away today. I thought these would fit but they dont. I am in a pickle and need to make these work. the hubcentric spacers are spacers that mount on your hub with bolts and then you bolt the rims on to them. I dont think I will need new wheel studs just more bolts. I found a company that would make 20mm. Let see if I can find 18mm. I contacted carter200 to see if you can sell me some. thanks for your help. edramos.

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