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Threads Tagged with
ratios
Thread / Thread Starter
Last Post
Replies
Views
Forum
What is the RPO code Z5V on my 1985 1C5 IROC?
(
1
2
3
4
)
yo soy el warg
on Dec 5, 2007
Jul 28, 2025
01:39 PM
by
topduarte
162
75,349
History / Originality
Transmission TH200R4
fbody-tom
on Aug 23, 2005
Jun 14, 2025
06:51 PM
by
Airwolfe
42
11,258
Transmissions and Drivetrain
2.73 with T5 Transmission drivability
(
1
2
)
85Irocbuild
on Nov 25, 2013
Jun 4, 2025
10:26 AM
by
Fullmonte77
50
13,382
Transmissions and Drivetrain
4th gen posi diff in a 3rd gen housing
rocn7roc
on Oct 11, 2013
Mar 19, 2024
10:37 AM
by
sofakingdom
13
5,358
Transmissions and Drivetrain
gear ratio and posi on '87 iroc?
CamaroRS385hp
on Aug 27, 2003
Mar 8, 2023
09:22 PM
by
scottmoyer
8
13,049
History / Originality
Power Rack & Pinion... Almost There
89_RS
on Apr 2, 2011
Feb 7, 2023
05:43 PM
by
Tombowman89
42
18,926
Suspension and Chassis
Important/Useful :
Sticky: 700R-4 speedometer gears
Atilla the Fun
on Jun 1, 2009
May 10, 2022
10:14 PM
by
Chevy86 IROC-Z
47
46,139
Transmissions and Drivetrain
6 speed 4L80E
oldred95
on Aug 5, 2008
Mar 19, 2020
03:03 PM
by
ULTM8Z
14
22,192
Transmissions and Drivetrain
Did someone fit an 6L80e into a '91 Z28?
vikinginz28
on Aug 11, 2012
Jan 19, 2020
01:07 PM
by
kestell123
13
19,597
Transmissions and Drivetrain
using a gto t56 in a f body
ls6iroc
on Apr 18, 2011
Jan 25, 2018
01:47 PM
by
ShiftyCapone
7
15,818
LTX and LSX
Changing T5's 5th Gear Ratio...
luvofjah
on Aug 14, 2014
Sep 8, 2014
08:18 PM
by
DIGGLER
12
8,734
Transmissions and Drivetrain
Steering box ratio???
IndyGabe7
on Feb 18, 2014
Feb 21, 2014
04:41 PM
by
IndyGabe7
3
1,588
Suspension and Chassis
1.5 VS 1.6 Ratio Rockers Questions
Gen3FTW
on Jan 17, 2011
Dec 6, 2013
09:53 AM
by
kad5118
12
20,456
Tech / General Engine
Engine Compression Ratio / Performance
maxjivi05
on Sep 15, 2013
Sep 30, 2013
10:47 PM
by
cuisinartvette
4
2,101
Tech / General Engine
Where can I get the correct T5 driven gears? Need a 20 tooth...
Corellian Vette
on Jul 21, 2013
Jul 22, 2013
04:25 PM
by
Corellian Vette
6
742
Transmissions and Drivetrain
T56 Gear mods??.
1gary
on Jun 10, 2013
Jun 12, 2013
06:50 AM
by
sofakingdom
10
2,308
Transmissions and Drivetrain
T5 Gear Ratios
seanof30306
on Jul 9, 2006
Feb 12, 2013
05:54 PM
by
KG427KG427
7
29,186
Transmissions and Drivetrain
difference in 4th gen 6 speed transmissions ?
bungy74
on Oct 19, 2012
Nov 22, 2012
06:43 PM
by
513camarors91
24
6,023
LTX and LSX
1989 Pontiac Formula V8 5 speed Autocross
ccnthirdgen
on Oct 12, 2012
Oct 12, 2012
03:32 PM
by
ccnthirdgen
0
1,547
Firebirds for Sale
factory gear ratio
sportcoupe-z28
on Sep 2, 2012
Sep 8, 2012
07:12 AM
by
Atilla the Fun
4
17,498
Transmissions and Drivetrain
What rear gear with a t56?
cobrakiller1989
on Aug 18, 2012
Aug 23, 2012
11:26 PM
by
oamhmad
17
17,618
Transmissions and Drivetrain
91-92 B4C ratio of 305/5 speed v. 350/auto cars
HI85WH1
on Aug 9, 2012
Aug 9, 2012
11:13 PM
by
HI85WH1
7
1,041
History / Originality
T56 on a 305?
Ghasoline
on Jul 11, 2012
Jul 21, 2012
10:13 AM
by
danielsan
24
13,857
Transmissions and Drivetrain
Gear ratio
Shane4524
on Jul 11, 2012
Jul 12, 2012
06:40 AM
by
JamesC
5
673
Transmissions and Drivetrain
Switching gear ratio from 3.08 to 3.42
88camarofreak
on Jun 17, 2012
Jun 17, 2012
10:37 PM
by
88camarofreak
3
2,857
Transmissions and Drivetrain
MK6 vs M39 1st gear ratios?
chazman
on May 3, 2012
May 4, 2012
01:36 PM
by
jmd
10
2,406
Transmissions and Drivetrain
9 bolt gear ratio
greg9187
on Apr 30, 2012
Apr 30, 2012
08:00 PM
by
sofakingdom
1
742
Transmissions and Drivetrain
1992 Camaro RS
Frank Telli
on Apr 20, 2012
Apr 20, 2012
12:58 PM
by
Frank Telli
2
706
Transmissions and Drivetrain
Gear Gear Ratio Change, Electronic Speedo, Options?
twigger
on Jan 25, 2012
Feb 17, 2012
05:49 PM
by
Tuned Performance
23
8,173
Transmissions and Drivetrain
TH 200 and 700R4??
t-top havoc
on Feb 11, 2012
Feb 11, 2012
12:36 PM
by
t-top havoc
3
1,734
Transmissions and Drivetrain
HELP identifying T56 transmission
HI85WH1
on Feb 2, 2012
Feb 2, 2012
03:28 PM
by
HI85WH1
3
9,724
Transmissions and Drivetrain
t56 or muncie 4?
hasnoname
on Dec 20, 2011
Dec 29, 2011
11:04 AM
by
brandon406sbc
23
14,528
Transmissions and Drivetrain
3.42 or 3.73?
red rock
on Apr 13, 2010
Nov 30, 2011
03:46 PM
by
red rock
36
16,472
Transmissions and Drivetrain
3.42 1st gear & 3.08 diff???
Sarkee
on Nov 1, 2011
Nov 2, 2011
01:30 AM
by
jmd
1
1,851
Transmissions and Drivetrain
What 5th gear ratio do i have?
LostX
on Oct 21, 2011
Oct 21, 2011
01:44 PM
by
LostX
0
644
Transmissions and Drivetrain
1990 iroc-z
KG427KG427
on Oct 19, 2011
Oct 19, 2011
11:25 PM
by
KG427KG427
0
489
Southern California Area
[DE]
1993 Z28 T56 Wide Ratio Transmission
KO1
on Oct 5, 2011
Oct 9, 2011
08:25 AM
by
KO1
4
785
Engine/Drivetrain/Suspension Parts for Sale
Rear end ratio
rkg8554
on May 1, 2011
May 8, 2011
09:33 AM
by
jh_shady01
12
836
Transmissions and Drivetrain
4th gen rearend difference
kyrenegade
on May 1, 2011
May 2, 2011
03:27 PM
by
kyrenegade
5
1,406
Transmissions and Drivetrain
is it possible to rebuild a posi diff?
2QUIK4U
on Apr 19, 2011
Apr 19, 2011
11:51 PM
by
2QUIK4U
5
2,063
Transmissions and Drivetrain
Tire Aspect Question
Rescue Wagon
on Mar 30, 2011
Apr 2, 2011
06:05 AM
by
eseibel67
5
746
Wheels and Tires
can a 10 bolt hold up?
racerx520
on Mar 22, 2011
Mar 24, 2011
08:50 PM
by
blackbmagic
21
2,160
Transmissions and Drivetrain
rear end gear ratio question
ultra91
on Feb 16, 2011
Feb 16, 2011
12:30 PM
by
84 z28
1
1,068
Transmissions and Drivetrain
What rear ends came in what year???
86LT1
on Mar 19, 2009
Feb 3, 2011
05:49 PM
by
big gear head
13
8,689
Transmissions and Drivetrain
T5 from camaro 93-97 26 spline
mooch1
on Jan 27, 2011
Feb 1, 2011
08:41 AM
by
mooch1
18
12,635
Transmissions and Drivetrain
Poll
What is the ultimate gear ratio?
sam85iroc
on Dec 6, 2010
Dec 6, 2010
08:20 PM
by
AlkyIROC
6
1,395
Transmissions and Drivetrain
Help with rear end and gear ratios
Grizzlybear226
on Oct 28, 2010
Oct 31, 2010
06:27 PM
by
JamesC
9
4,103
Transmissions and Drivetrain
4th gen rear end questions
89chevycamaroRS
on Sep 13, 2010
Oct 7, 2010
12:18 PM
by
JamesC
27
1,302
Transmissions and Drivetrain
305 heads on a 350??
jeepboy180
on Apr 6, 2008
Sep 29, 2010
09:40 PM
by
SeriousGearhead
16
18,754
Engine Swap
Air/Fuel Ratio on Procharged engine
Proiroc
on Apr 11, 2010
Sep 21, 2010
12:34 AM
by
gta324
25
14,355
Power Adders
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