Thread: 87 GMC Sierra R3500 7.4L TBI vacuum diagram
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Old 10-15-2019, 04:51 AM   #3
Captain J
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Join Date: Nov 2017
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Posts: 180
Re: 87 GMC Sierra R3500 7.4L TBI vacuum diagram
Quote:
Originally Posted by DieselSJ View Post
There aren't many. I'll try to get a picture of the label on mine.
I truly appreciate it
If you like, I can take pictures and post it so you can get better understanding
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1972 GMC Sierra C2500, V8-350
1986 GMC Sierra C2500, V8-454
1986 GMC Sierra C2500, V8-LS1
1986 GMC Sierra K2500, V8-350
1987 GMC Sierra R3500, V8-454
1997 GMC Sierra K2500, V8-454
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