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73-87 Chevy _ GMC Trucks => 73-87 Chevy & GMC Trucks => Topic started by: Halogin13 on April 30, 2017, 03:49:07 pm

Title: 87 distributor adj screw location?
Post by: Halogin13 on April 30, 2017, 03:49:07 pm

Hi all... where is the distributor adjustment screw on a 5.7l 350 w TBI? I'm feeling a little stupid here... pics if possible??

Title: Re: 87 distributor adj screw location?
Post by: Chuck Step-a-side on May 02, 2017, 06:28:41 pm

If you're looking for the bolt that you loosen to adjust your distributor timing, it's located under the leftside of the distributor .

Title: Re: 87 distributor adj screw location?
Post by: srozell on May 03, 2017, 01:31:00 am

You'll see it easier if you pull off some of the vacuum hoses and stuff adjacent to your distributor.

It's a 9/16 bolt, and you'll need a box-end wrench to access it. Once it's loose, (and you've marked your distributor location,  you can twist the distributor for better access.

Title: Re: 87 distributor adj screw location?
Post by: VileZambonie on May 03, 2017, 05:12:53 am

Passenger side base of the distributor. Make sure you are following the proper timing procedure and put the EST in bypass mode when you set the timing.

Title: Re: 87 distributor adj screw location?
Post by: Halogin13 on May 03, 2017, 10:45:36 pm

Thank you all... major baby brain was kicking in that day😂