Timing
Supreme Member
Joined: Apr 2006
Posts: 4,482
Likes: 9
From: Northern, CA
Car: 1989 Iroc-Z Camaro
Engine: TBI,5.0
Transmission: Automatic 700R4
Axle/Gears: Eaton Posi,3.42,LPW Ultimate Cover
Re: Timing
On my "89" TBI its =
Start car and idle until the car is at operating temp. Disconnect the EST wire, adjust timing, reconnect EST wire. Shut off car .
This is what the EST wire on my car looks like with a brown wire with black stripe.
Its over near the blower motor.
( EST = Electronic Spark Timing )
You might need to also set " Minimum Idle Speed" when your done.
Start car and idle until the car is at operating temp. Disconnect the EST wire, adjust timing, reconnect EST wire. Shut off car .
This is what the EST wire on my car looks like with a brown wire with black stripe.
Its over near the blower motor.
( EST = Electronic Spark Timing )
You might need to also set " Minimum Idle Speed" when your done.
Last edited by Ron U.S.M.C.; Oct 13, 2017 at 02:36 AM.