Author Topic: 87 emisions/vacuum routing diagram  (Read 1762 times)

Offline kmanrsss

  • Newbie
  • Posts: 67
  • Newbie
87 emisions/vacuum routing diagram
« on: October 09, 2012, 07:48:46 PM »
Does anyone have a link for a good vacuum/emissions routing diagram? the one on my rad support is gone/unreadable and the haynes book i have doesn't have a good diagram. trying to figure out what goes where as ive got lines unplugged, broken, cracked and even a few ports on the TBI that are just open. thanks for the help. its an 87 v20 w/350 by the way. thanks

Offline Captkaos

  • OWNER and Administrator
  • Administrator
  • Senior Member
  • *****
  • Posts: 18351
    • http://www.73-87chevytrucks.com
Re: 87 emisions/vacuum routing diagram
« Reply #1 on: October 12, 2012, 08:53:46 AM »
I can post a picture of my 87 R10, I have to check on the 91 R3500, but there isn't much on a V20, as far as vacuum.  Just hoses going to the canister purge and to the MAP sensor.  Post a pic of what you have/need.

Offline DnStClr

  • Senior Member
  • ****
  • Posts: 1809
Re: 87 emisions/vacuum routing diagram
« Reply #2 on: October 12, 2012, 10:10:42 AM »
There have been a bunch of discussions about vac lines and stuff. One link for the routing was from alldata website.
http://www.alldatadiy.com/
Don
87 Chevy Silverado

Offline kmanrsss

  • Newbie
  • Posts: 67
  • Newbie
Re: 87 emisions/vacuum routing diagram
« Reply #3 on: December 28, 2012, 03:40:22 PM »
not sure how i missed these replys. Im looking for mostly TBI connections. I will get a few pis this weekend. Thanks

Offline csdineley

  • Newbie
  • Posts: 87
Re: 87 emisions/vacuum routing diagram
« Reply #4 on: December 28, 2012, 08:51:30 PM »
Hope this helps, it's from my 87 R20 350.
1987 V20 Custom Deluxe, Vortec Headed 350, SM465,Np205 14Bff 4.10

Offline VileZambonie

  • Global Moderator
  • Senior Member
  • *****
  • Posts: 18979
,                           ___ 
                         /  _ _ _\_
              ⌠ŻŻŻŻŻ'   [☼===☼]
              `()_);-;()_)--o--)_)

74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10