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SLP's response on 9" wide ZR1's

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Old Jan 7, 2005 | 01:42 PM
  #1  
BumpaD82's Avatar
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From: UTAH
Car: 1982 Z28 & 1967 RS & 2002 Z28
Engine: 388 ci SB / 454 ci BB / LS1
Transmission: 4 speed / TH350 / T56
Axle/Gears: '91 "1LE" rear, posi w/ 3.23's
SLP's response on 9" wide ZR1's

BUMMMER :

"Hi Dave,
From what I've heard I don't think we will be doing a 9" wide rim for
the
third gen cars.

Dana P. Kermes
SLP Performance Parts Technical/Sales
732-349-2109 ext 146
m-f 8:30-5:00 lunch 12:00-1:00"

I'm running 9" wides now and I don't want to go to 8's makes me MAD !
Attached Thumbnails SLP's response on 9" wide ZR1's-slpzr1.jpg  
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Old Jan 8, 2005 | 09:51 AM
  #2  
paul_huryk's Avatar
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From: Ahead of you...
Car: 1984 LG4 Camaro
Engine: 350 Roller Motor
Transmission: Level 10 700R4
Axle/Gears: Strange 12 bolt 3.42
A 9" wide wheel is silly - its only 0.5" wider than the 8.5" they presently have. If you were to say 9.5" to accomodate a 275-40-17 tire, they might get enough buyers (I would get a set stat).
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Old Jan 9, 2005 | 07:26 PM
  #3  
25THRSS's Avatar
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From: Glen Allen, VA
It's not an 8.5 inch, it's an 8 inch wheel that they offer. If I was going to buy a set of aftermarket wheels you better bet they would be 10 inch in the rear. Not worth the money IMO, unless you don't care about performance at all and are only going for "style."
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Old Jan 10, 2005 | 06:02 AM
  #4  
fb305svs's Avatar
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From: Oakville, Ct
Car: 1991Firebird T/A
Engine: 350
Transmission: Modified Viper t-56
Axle/Gears: dana 44, 3.55
an 8 inch wide wheel is stupid... biggest tire you can fit is a 245 or you could squeez in a 255.

9 inch wide wheel would run a 275, which is what all 4thgens run with their 17" wheels...

this wheel is for anybody who is intrested in upgrading for asthetics only, and not any kind of performance advantage.
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Old Jan 10, 2005 | 07:49 PM
  #5  
Shagwell's Avatar
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From: Southwest Florida
Car: projects.......
If you're spending the money, and want performance, go all out. 11" wide and 315's on the back. They'll fit in the wheel well w/o mods.
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Old Jan 10, 2005 | 11:49 PM
  #6  
85 roc it's Avatar
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From: Fort Wayne, Indiana
Car: 85 IROC
Engine: 385AFR head, Mini Ram Intake
Transmission: 6 Sp.
Axle/Gears: 3.73
It you want wider, just get a set of new rims and buy the spacers, I did, but I put a newer rearend in also, but 2 in spacer will work for 9.5 rim, I had 275 on a set of 8 inch rims, them fit just fine also, but rubbed when went over big bumps because car was lower
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Old Jan 11, 2005 | 12:17 AM
  #7  
85 roc it's Avatar
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From: Fort Wayne, Indiana
Car: 85 IROC
Engine: 385AFR head, Mini Ram Intake
Transmission: 6 Sp.
Axle/Gears: 3.73
It you want wider, just get a set of new rims and buy the spacers, I did, but I put a newer rearend in also, but 2 in spacer will work for 9.5 rim, I had 275 on a set of 8 inch rims, them fit just fine also, but rubbed when went over big bumps because car was lower
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Old Jan 11, 2005 | 09:05 AM
  #8  
BumpaD82's Avatar
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From: UTAH
Car: 1982 Z28 & 1967 RS & 2002 Z28
Engine: 388 ci SB / 454 ci BB / LS1
Transmission: 4 speed / TH350 / T56
Axle/Gears: '91 "1LE" rear, posi w/ 3.23's
Originally posted by 85 roc it
It you want wider, just get a set of new rims and buy the spacers, I did, but I put a newer rearend in also, but 2 in spacer will work for 9.5 rim, I had 275 on a set of 8 inch rims, them fit just fine also, but rubbed when went over big bumps because car was lower
Well unfortunatley I've seen wheels fall off / break off in the autocross with spacers SO taking that into account and my "normal" style of driving... spacers aren't and option.... too much leverage on the studs IMHO... and yes I know that people get away with it all the time it's just not for me
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Old Jan 11, 2005 | 10:27 AM
  #9  
MrDude_1's Avatar
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From: Charleston, SC
Car: 91 Camaro Vert
Engine: 02 LS1, HX40
Transmission: 2002 LS1 M6
Originally posted by BumpaD82
Well unfortunatley I've seen wheels fall off / break off in the autocross with spacers SO taking that into account and my "normal" style of driving... spacers aren't and option.... too much leverage on the studs IMHO... and yes I know that people get away with it all the time it's just not for me

you're confusing a slip on spacer with a bolt on.

a slip on spacer, like you said, puts ALOT more stress on the studs. unless its really thin (like the ones that came stock on 3rdgens) they're not that safe.



now a BOLT ON spacer is atleast a inch thick.

it bolts onto the car like the wheel does. full stud engagement and all... so it becomes part of the axle, with no additional stress.
it has its own studs, and the wheel bolts to thoes studs

when using cast alloy wheels, the spacer is actually stronger then if it was cast into the wheel.. lol nice strong billet.. no additional stress to the axles, studs or bearings.
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Old Jan 11, 2005 | 11:10 AM
  #10  
BumpaD82's Avatar
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Joined: Apr 2001
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From: UTAH
Car: 1982 Z28 & 1967 RS & 2002 Z28
Engine: 388 ci SB / 454 ci BB / LS1
Transmission: 4 speed / TH350 / T56
Axle/Gears: '91 "1LE" rear, posi w/ 3.23's
Originally posted by MrDude_1
you're confusing a slip on spacer with a bolt on.

a slip on spacer, like you said, puts ALOT more stress on the studs. unless its really thin (like the ones that came stock on 3rdgens) they're not that safe.



now a BOLT ON spacer is atleast a inch thick.

it bolts onto the car like the wheel does. full stud engagement and all... so it becomes part of the axle, with no additional stress.
it has its own studs, and the wheel bolts to thoes studs

when using cast alloy wheels, the spacer is actually stronger then if it was cast into the wheel.. lol nice strong billet.. no additional stress to the axles, studs or bearings.
\

NOPE I'm not confusing the two And I have seen BOLT ON spacers break / pull studs / fall off / etc. etc. etc.

Like I said they work for LOTS of people just not for my driving style
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Old Jan 11, 2005 | 01:54 PM
  #11  
fb305svs's Avatar
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From: Oakville, Ct
Car: 1991Firebird T/A
Engine: 350
Transmission: Modified Viper t-56
Axle/Gears: dana 44, 3.55
your driving style cannot possibly be any worse than mine and i have a bunch of autocross runs on my car with 285/335's.... The reason you see them break studs is because you have to periodically check them, like before each race to make sure the studs the spacer bolts to are tight...

any bolt on spacer that causes breakage is because of crappy studs, or because of user error, like its loose...
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Old Jan 11, 2005 | 02:04 PM
  #12  
BumpaD82's Avatar
Thread Starter
Member
20 Year Member
 
Joined: Apr 2001
Posts: 482
Likes: 3
From: UTAH
Car: 1982 Z28 & 1967 RS & 2002 Z28
Engine: 388 ci SB / 454 ci BB / LS1
Transmission: 4 speed / TH350 / T56
Axle/Gears: '91 "1LE" rear, posi w/ 3.23's
Originally posted by fb305svs
your driving style cannot possibly be any worse than mine and i have a bunch of autocross runs on my car with 285/335's.... The reason you see them break studs is because you have to periodically check them, like before each race to make sure the studs the spacer bolts to are tight...

any bolt on spacer that causes breakage is because of crappy studs, or because of user error, like its loose...
LIKE I SAID: LOTS of people get away with it all the time, IT IS JUST NOT FOR ME, as in MYSELF

And I carry a Torque wrench and check before, during and after each race....

So anyway now that the spacer argument is over, I'm still bummed out you can't get a 9" + ZR1 rim that fits the car without a bandade....
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Old Jan 11, 2005 | 02:37 PM
  #13  
88IROCs's Avatar
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Joined: Feb 2000
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Has anyone inquired if the Sport Edition "5055" wheels are available in fitments for our cars. TireRack sells their lines, but I couldn't find contact info for the manufacturer.

This is what the "5055"s look like:

CHROME


PAINTED
[
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Old Jan 11, 2005 | 02:46 PM
  #14  
fb305svs's Avatar
Supreme Member
 
Joined: Sep 1999
Posts: 1,383
Likes: 0
From: Oakville, Ct
Car: 1991Firebird T/A
Engine: 350
Transmission: Modified Viper t-56
Axle/Gears: dana 44, 3.55
looks exactly like my zr1 wheels
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