Whats the best way to manually time my 1989 Chevy 350 motor

Tiny
TOOL12867
  • MEMBER
  • 1989 CHEVROLET TRUCK
I have been told that I have to disconnect a brown wire with black stripe before manually timming? Is this true? Just wondering what is the best way and the correct way to do this manually. I use to know how to do this by ear but time has erased it from my mind, any information is greatly appreciated, thanks
(1989 chevy scottsdale 2500 4 by 4.)
Tuesday, October 16th, 2007 AT 5:37 PM

2 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Use a timing light! The instructions are in your email!
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Tuesday, October 16th, 2007 AT 5:53 PM
Tiny
CONTRACTOR
  • MEMBER
  • 3 POSTS
My 89 has the wire up by the firewall on the passenger side. 95 has it under the glove box near the heater core in the cab. Disconnect and use an inductive pickup timing light to set damper to marks on front cover.

Cole
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Monday, October 22nd, 2007 AT 6:39 PM

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