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04-08-2006, 06:15 PM
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#1
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15 Second Club
Join Date: Mar 2005
Location: camden county
Posts: 1,122
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Tire Clearance
So need to get new back tires within the next month....how wide can i go on a third gen car ( 1988 ) without having to modify anything or hitting anything
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04-08-2006, 07:46 PM
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#2
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Join Date: Aug 2004
Location: Hillsborough, NJ
Posts: 2,630
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I believe 275's are your safest bet.
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--==RPM Resto & Custom==--
1989 IROC-Z Media Coverage:
Chevy High Performance - Readers Rides 4/03
GM High Tech Performance - Tech Article 3/06
Chevy Rumble - Tech & Feature Articles November 2006
Auto Restorer Magazine - Feature Article 5/11
SkinAndSteel.com
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04-08-2006, 10:22 PM
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#3
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15 Second Club
Join Date: Mar 2005
Location: camden county
Posts: 1,122
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so what would you recommend in a whole tire size? 275/50 or 55 or what ? i wanna go to tires plus or one of the other places near me monday asap so i can get a price on getting the tires and mounting/balacing
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04-09-2006, 07:42 AM
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#4
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Join Date: Aug 2004
Location: Hillsborough, NJ
Posts: 2,630
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Depends on what size you wheels are. Are they 15, 16, 17, or 18 inch. I run 255/40/17's all the way around on my car.
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--==RPM Resto & Custom==--
1989 IROC-Z Media Coverage:
Chevy High Performance - Readers Rides 4/03
GM High Tech Performance - Tech Article 3/06
Chevy Rumble - Tech & Feature Articles November 2006
Auto Restorer Magazine - Feature Article 5/11
SkinAndSteel.com
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04-09-2006, 08:51 AM
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#5
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Join Date: Mar 2006
Location: Land O Lakes FL
Posts: 85
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What size rims do you have??? 
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04-09-2006, 03:23 PM
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#6
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10 Second Club; Has fan club
Join Date: Dec 2005
Location: Delmont nj
Posts: 4,369
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i had 275 60 15s on my third gen and they rubbed, i had to put a spacer in to raise up the back a lil.
on my 4th gen, 275 40 17s they fit fine all the way around
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01' Z06 62k miles. Vararam, Longtubes, off road xpipe, tuned by me. Times TBA
2001 Corvette, Bolt ons , tuned 10.75@124.56 mph 1.38 60' Sold
1997 Saturn Sc1 5spd DOHC swapped
Bolt ons, decked head, stock intake cam on exhaust side, lotsa weight redux
13.22@102.32 mph 1.93 60'
12's on moda? One day
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04-09-2006, 07:06 PM
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#7
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15 Second Club
Join Date: Mar 2005
Location: camden county
Posts: 1,122
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ive got 16x8 rims
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04-09-2006, 09:40 PM
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#8
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Join Date: Aug 2004
Location: Hillsborough, NJ
Posts: 2,630
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I've got 17x9 I believe, but not certain.
__________________
--==RPM Resto & Custom==--
1989 IROC-Z Media Coverage:
Chevy High Performance - Readers Rides 4/03
GM High Tech Performance - Tech Article 3/06
Chevy Rumble - Tech & Feature Articles November 2006
Auto Restorer Magazine - Feature Article 5/11
SkinAndSteel.com
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04-09-2006, 10:37 PM
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#9
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Join Date: Mar 2006
Location: Land O Lakes FL
Posts: 85
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16x8's, I think the wideest is gonna be a 255-50 I beleive, and on the 17x9's you can go 285 40's on the fronts, and as big as the 315-35 on the rears(pending on the tire brand.)
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04-11-2006, 07:13 PM
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#10
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Join Date: Mar 2006
Location: sayreville nj
Posts: 2,175
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255/50 or 45/zr-16 is what i have on the rs, the driver side rear tire used to slightly rub the bumpstop on hard right hand corners,but a good smack on the base of the bumpstop with a large hammer fixes that(though i8 found out the car was hit from behind at some point in its life so that could have been the reason),and the fronts slightly rub at full steering lock
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#1 1989 RS - 3.0L V6 11.0-1 CR, LIGHTENED CRANK,J.E FORGED PISTONS, CUSTOM 280/284 .575/.575 116LSA ROLLER CAM, PORTED HEADS, PORTED INTAKE,CUSTOM TURBO KIT W/ BW S475,AW INTERCOOLER,METHANOL INJECTION, TCI STREETFIGHTER 700R4 W/ TCI 4,500 STALL,TWIN WALBORO 255'S & 83# INJECTORS
268 rwhp & 367.6 ftlbs @ 10 psi 3.1l
12.30's @ 112 3.1L @ 9 psi
??.?? @ ???? 3.0L @ 18 PSI
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04-13-2006, 07:43 AM
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#11
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Hippy Mod, Bergermeister Meisterberger, Moderator
Join Date: Aug 2004
Location: Ewing
Posts: 6,214
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You don't want to go with 315/35/17 on 17x9 rims. You want at least 17x10 or 17x11 preferred. I ran some 255/50/16 on my 16x8 wheels on my 68 Camaro and they were a great compromise from getting 17x9 wheels with 275's. So if you're keeping your current rims you're looking at 255/50/16 most likely.
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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04-13-2006, 06:44 PM
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#12
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Join Date: Mar 2006
Location: Land O Lakes FL
Posts: 85
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You can do it on a 17x9, Like I said as long as you use Nittos. Bfg's will hang over like crazy!!!
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