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Author Topic: '91 Camaro RS LSD  (Read 899 times)

Andy

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'91 Camaro RS LSD
« on: April 01, 2009, 08:43:53 am »
Hi Guys,

After going off on a complete tangent with my dad about our Camaro, can any of you tell me if its likely to be fitted with an LSD?

I say this as our old '87 Firebird had one and was a completely stock car and was the base model with air con or anything electric.

Is there anyway of checking the VIN or anyway of telling by looking at it?

Cheers in advance!

Andy
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HardRockCamaro

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'91 Camaro RS LSD
« Reply #1 on: April 01, 2009, 08:55:18 am »
Check the RPO codes on the sticker in the glovebox.

G80 means Limited Slip Diff.

According to my sales figures 16% of Camaro's in 19991 had one.
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F Body

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« Reply #2 on: April 01, 2009, 09:59:13 am »
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HardRockCamaro

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'91 Camaro RS LSD
« Reply #3 on: April 01, 2009, 10:01:28 am »
The VIN code doesn't tell you if it has a limited slip diff...
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Roadkill

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'91 Camaro RS LSD
« Reply #4 on: April 01, 2009, 11:34:32 am »
Just jack the ar$e end up and spin the wheels.
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F Body

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« Reply #5 on: April 01, 2009, 11:43:36 am »
Quoting: Roadkill
Just jack the ar$e end up and spin the wheels.


I'm assuming that if it has a limited slip diff when your turn one rear wheel,
the other will turn in the opposite direction
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Andy

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'91 Camaro RS LSD
« Reply #6 on: April 01, 2009, 12:11:35 pm »
If it has a limited slip diff i believe they would turn in the same direction. It only slips on road contact when going around a bend and one wheel is forced to turn slower than the outside one.
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FUBAR

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« Reply #7 on: April 01, 2009, 12:15:21 pm »
On 3rd Gens you only got a LSD if you opted for the L98 5.7TPI Motor first or got the 5.0TPI with Manual Transmission that gave you the Borg Warner 10 Bolt LSD Rear with either a 3.45:1 or 3.27:1 Ratio respectively.

See Here:
http://www.thirdgen.org/1987-pontiac-firebird?s=a73ebf37fbb0965654bb30e6ceed1868&
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FUBAR

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« Reply #8 on: April 01, 2009, 12:18:39 pm »
Oops looked at the wrong year, find the page for the '91 throught the menu, the numbers are slightly different but i believe its the same idea.
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Andy

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'91 Camaro RS LSD
« Reply #9 on: April 01, 2009, 12:18:56 pm »
Ah well, our old Firebird definately had one as the guys who we took it for an MOT at said they couldn't do part of the test (they'd never seen one before). The geeza at Autopontiac confirmed it and it handled like a biatch.

That was a 305 TBI, autobox with absolutely no options. Was a lovely car for that fact too. I suppose someone could've bolted one on, but that would be a bit far fetched.

So its looking likely that it hasn't... bugger, i owe him a £5
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HardRockCamaro

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« Reply #10 on: April 01, 2009, 12:38:43 pm »
Quoting: FUBAR
On 3rd Gens you only got a LSD if you opted for the L98 5.7TPI Motor first or got the 5.0TPI with Manual Transmission that gave you the Borg Warner 10 Bolt LSD Rear with either a 3.45:1 or 3.27:1 Ratio respectively.

See Here:
http://www.thirdgen.org/1987-pontiac-firebird?s=a73ebf37fbb0965654bb30e6ceed1868&


Not quite, I have a 5.0TPI with auto and have the LSD.

Depends how the car was optioned up, but the 5.7 at least had it as standard (as you said).
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Roadkill

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'91 Camaro RS LSD
« Reply #11 on: April 01, 2009, 03:46:49 pm »
Quoting: Andy
If it has a limited slip diff i believe they would turn in the same direction


Correct.

You can work out your ratio by counting the prop rotations to wheel rotations, also.

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FUBAR

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« Reply #12 on: April 01, 2009, 04:30:37 pm »
Quoting: HardRockCamaro
Not quite, I have a 5.0TPI with auto and have the LSD.


hmm ok, fair doos no objections to being corrected on this by you Andy
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Andy

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'91 Camaro RS LSD
« Reply #13 on: April 01, 2009, 04:50:43 pm »
Just checked the boot for the RPO codes and I don't have a G80...

For some reason that VIN decoder won't work for me Fubes F-Body
What am I doing wrong? 1GFFP23E7HL178350
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F Body

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« Reply #14 on: April 01, 2009, 05:05:29 pm »
Quoting: Andy
For some reason that VIN decoder won't work for me Fubes F-Body
What am I doing wrong? 1GFFP23E7HL178350



Just tried it myself and it said "NOT a VALID 17 digit VIN entered, please try again"

Have you checked the number ?
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Andy

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'91 Camaro RS LSD
« Reply #15 on: April 01, 2009, 05:14:51 pm »
Well that typical. Trust whats on the MOT sheet and its nothing like the plate on the car!

The first 'F' should be a '1' and the 'H' should be an 'M'... I'll check it more closely after the next MOT, make sure they don't get it confused with a Matiz or something.
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F Body

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« Reply #16 on: April 01, 2009, 05:23:33 pm »
Don't know if this 3rd gen decode chart helps :

Vehicle Identification Number Example: 1G1FP2184NL100000
First Digit Nation of Origin: 1=USA, 2=Canada
Second Digit Division: G=General Motors
Third Digit: 1=Chevrolet, 7=GM of Canada('83-'88)
Fourth & Fifth Digit Body Style: FP=Camaro Sport Coupe, FS=Firebird, FW=Trans Am
Six Digit: 2=Hatchback, 3=Convertible
Seventh Restraint Codes: 1=Manual Belts, 2 or 3=Manual w/ Driver Air Bag, 4=Auto Belts
Eigth Digit Engine: See Engine Codes Below
Ninth Digit is Check digit
Tenth Digit Year: H=87, J=88, K=89, L=90, M=91, N=92
Eleventh Digit Production Plant: N=Norwood,Ohio, L=Van Nuys
Last Six Digits increase by one with each car built at each plant

Engine codes: (VIN Code | CID-hp | RPO Code)

1982            1983             1984
2 151-90 (LQ9)      2 151-92 (LQ9)       2 151-92 (LQ9)
F 151-90 (LQ8)      F 151-92 (LQ8)       1 173-107 (LC1)
1 173-102 (LC1)      1 173-107 (LC1)      G 305-190 (L69)
7 305-165 (LU5)      7 305-190 (L69)      H 305-150 (LG4)
H 305-145 (LG4)      H 305-150 (LG4)      
                   S 305-175 (LU5)      

1985            1986             1987
2 151-88 (LQ9)      F 305-190 (LB9)      8 350-220 (B2L)
S 173-135 (LB8)      G 305-190 (L69)      F 305-190 (LB9)
F 305-215 (LB9)      H 305-155 (LG4)      H 305-160 (LG4)
G 305-190 (L69)      S 173-135 (LB8)      S 173-135 (LB8)
H 305-155 (LG4)       

1988            1989             1990
8 350-230 (B2L)      8 350-230 (B2L)      8 350-245 (B2L)
E 305-170 (L03)      E 305-170 (L03)      E 305-170 (L03)
F 305-195 (LB9)      F 305-195 (LB9)      F 305-210 (LB9)
S 173-135 (LB8)      S 173-135 (LB8)      T 191-140 (LH0)

1991             1992
8 350-245 (B2L)      8 350-245 (B2L)
E 305-170 (L03)      E 305-170 (L03)
F 305-205 (LB9)      F 305-205 (LB9)
T 191-140 (LH0)      T 191-140 (LH0)
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F Body

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'91 Camaro RS LSD
« Reply #17 on: April 01, 2009, 05:25:03 pm »
Quoting: Andy
Trust whats on the MOT sheet and its nothing like the plate on the car!


Which is double scary because all your MOT details are automatically uploaded to the Police ANPR system
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