Third Generation F-Body Message Boards
Tech Boards
Transmissions and Drivetrain
9-bolt pinion depth....with 3.90:1 gears??

Transmissions and Drivetrain Need help with your trans? Problems with your axle?

9-bolt pinion depth....with 3.90:1 gears??

Reply Subscribe

Search this Thread

Old

Aug 18, 2003 | 11:23 AM

#1

Thread Starter

Senior Member

Joined: Jan 2002

Posts: 888

Likes: 0

From: Oswego, IL

Car: 1989 Iroc-Z

Engine: 350ci SBC

Transmission: 700R4

9-bolt pinion depth....with 3.90:1 gears??

I need the pinion depth spec for the 3.90 gears in the 9 bolt BW rear.....please help...

Old

Aug 18, 2003 | 12:22 PM

#2

TGO Supporter

Joined: Aug 1999

Posts: 14,811

Likes: 1

From: Jackson County

it differant for each gear set. it should be etched on the pinion and the back lash etched on the ring gear.

Old

Aug 18, 2003 | 01:02 PM

#3

Thread Starter

Senior Member

Joined: Jan 2002

Posts: 888

Likes: 0

From: Oswego, IL

Car: 1989 Iroc-Z

Engine: 350ci SBC

Transmission: 700R4

its not

Old

Aug 18, 2003 | 02:10 PM

#4

TGO Supporter

Joined: Aug 1999

Posts: 14,811

Likes: 1

From: Jackson County

then reuse whatever shim is under the pinion bearing now and there's a very good chance your back lash and contact pattern will be right, or at most only off a .001 or so on the shim.

Reply Subscribe

Related Topics

Thread

Thread Starter

Forum

Replies

Last Post

How Worn is my 10 Bolt Posi?

F-body driver

Transmissions and Drivetrain

17

Mar 6, 2023 11:44 AM

Timing Chain Changed, Car Won't Start

db057

TBI

14

Apr 28, 2019 07:45 AM

Manual swap problems

88rscamar0

Transmissions and Drivetrain

5

Sep 23, 2015 09:08 PM

High Idle after muffler "swap/removal"

Stroopwafel

Tech / General Engine

7

Sep 11, 2015 06:38 AM

Need feedback on best 10-bolt ring and pinion manufacturer

UltRoadWarrior9

Transmissions and Drivetrain

3

Sep 2, 2015 08:24 PM

390, bolt, depth, gear, gears, pinion

First
Prev
1 / 1
Next
Last

All times are GMT -5. The time now is 06:01 PM.