stock ratio 1990 Iroc-z
Thread Starter
Member
Joined: Dec 2007
Posts: 125
Likes: 0
From: Canada/Qc/Montreal
Car: Red 86 Iroc-z / Black 90 Iroc-z
Engine: Mild 350 / Vortec L31
Transmission: TH700R4 / TH700R4
Axle/Gears: 3.42 / 2.73
stock ratio 1990 Iroc-z
Hey everyone! I have 1990 base LB9 4spd iroc-z with G80 with drum's, I was wondering, i found info on what the LB9 5spd and L98 4spd gear ratio's where but none on the LB9 automatic... anyone know this? thanks
Joined: Sep 2005
Posts: 27,993
Likes: 2,485
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: stock ratio 1990 Iroc-z
Probably 2.73
But, it's whatever you see in there while you're changing the fluid, as obviously needs to be done (since you wouldn't be asking this if you'd already taken care of the scheduled maintenance)
Go change the fluid and come back and tell US what gears are in it
But, it's whatever you see in there while you're changing the fluid, as obviously needs to be done (since you wouldn't be asking this if you'd already taken care of the scheduled maintenance)
Go change the fluid and come back and tell US what gears are in it
Thread
Thread Starter
Forum
Replies
Last Post
ambainb
Camaros for Sale
11
Apr 25, 2016 09:21 PM
hectre13
Engine/Drivetrain/Suspension Parts for Sale
7
Aug 26, 2015 08:17 AM
Dialed_In
Firebirds for Sale
2
Aug 20, 2015 01:45 PM
