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  1. GTP51

    Cruise Control

    Hi David, I haven’t sorted it yet, one of the other toys needed some attention. As it turns out another involved under dash job, I’m just to big and too old for under dash stuff now…lol I won’t get back to the truck for a few weeks, but if I manage to sort it I will let you know cheers Geoff
  2. GTP51

    Cruise Control

    Some info there that I didn’t know was available, now to clean the reading glasses let the fun begin
  3. GTP51

    Everything but the switch

    I had a look in my glovebox no plastic bag with anything in it…..lol yep a photo of what you have there may help, thank you in the mean time I took a few photos of my linkage set up , hopefully they may be of some use to you. cheers Geoff
  4. GTP51

    Cruise Control

    Brilliant thank you.:cheers: Geoff
  5. GTP51

    Cruise Control

    Thanks GM I will have a look
  6. GTP51

    Cruise Control

    Thanks for the info and suggestions. I have some 200 pages of wiring diagrams for the various iterations of these trucks and the one that deals with cruise controls, it would have been a huge help if they were in colour. What I’m trying to find out is , after further analysis, how does the ECM...
  7. GTP51

    Cruise Control

    no one around it would seem
  8. GTP51

    Everything but the switch

    DB we just went with a stock replacement switch, I think I got it from Brothers or LMC, I only replaced it because my factory switch was a bit loose and that was before Sniper fitment. The oil pressure switch relationship to the fuel solenoid was the hidden issue we had and it took a bit to...
  9. GTP51

    Everything but the switch

    We fitted sniper and left the stock pumps in the tanks and used them to feed an in-line single 60 psi pump after the multi tank solenoid. Trick is the oil pressure switch on the back of the block also turns off the solenoid for the pumps. Need to run a new relay for the fuel pump and the oil...
  10. GTP51

    1987 Chevrolet 350 tbi high idle

    Had same issue , was worn throttle shaft, replaced the TBI unit problem solved
  11. GTP51

    Vibration - Driveline Saga

    I feel for you have been down that rabbit hole, buy chance has someone fitted the wrong flex plate?
  12. GTP51

    Cruise Control

    Matt you get credit for trying lol, that harness does a few things, I’m hopeful some tech head can help out with this one
  13. GTP51

    Cruise Control

    Hi Matt, as I mentioned everything under dash is connected except for the plug as per photos
  14. GTP51

    Cruise Control

    Taking It back to the beginning, we took off the TBi /manifold /heads/cam etc did a bunch of engine mods and fitted a Holley Sniper,results are fantastic very happy, mechanically the truck is set. We removed nearly all the engine bay loom and the complete ECU and every wire that plugged into it...
  15. GTP51

    New to forum

    Gday from Downunder
  16. GTP51

    Drop Height Fiasco

    As has been said front springs check they are in the pocket , easy to get it wrong, secondly rear axle flip and notch the chassis is a quantum change to these trucks IMHO. good luck
  17. GTP51

    1987 Chevrolet 350 tbi high idle

    this can be a deep dark hole, I remember some stuff about it , first thing to Remplacements is the IAC from memory I got an AC Delco one and it did help. turned out the issue was throttle shafts were were worn out in the the TBI. As soo as we changed that away she went . One other thing on the...
  18. GTP51

    Intake Manifold EFI 350

    Its great fun playing on the Summit site, but easy to lose control, last time I ordered the Jeep steering shaft to do the conversion to get rid of the rag joint ( Imho one of the best things to do ever to one of these old trucks) and ended up with 20 T shirts as well
  19. GTP51

    Upgrade order

    My 2 cents: To save yourself having to play multiple times, may as well do the whole top end $’s permitting and be done with it and enjoy the extra HP. Cause we all know that it doesn’t stop once you get started on the upgrade path
  20. GTP51

    Intake Manifold EFI 350

    Bextreme04 is on the money a cam will make a big difference straight up.
  21. GTP51

    GM Square Body Forum Decals

    same
  22. GTP51

    Intake Manifold EFI 350

    Sounds like you possibly have the stock TBI Changed mine to Edelbrock heads, Holley Sniper and a Comp Cams set up, it gets up and boogies now. If you would like part numbers let me know but as Bextreme04 says you really need to know exactly what you have, before you start playing, there are a...
  23. GTP51

    New owner 87 R10

    welcome from Downunder lol
  24. GTP51

    WANTED: EGR 350 Intake

    I have an Edelbrock TBI manifold and a barely used modified reco TBI unit here DownUnder , I think the postage would be a killer. IMHO the best thing I have ever done to my truck was lose the TBI set up complete and fit a new Comp cams cam, new manifold and Holly Sniper set up , a fair bit of...
  25. GTP51

    Hi From Melbourne Australia

    its always good to have a project on the go , I’m bored now nothing really to do on the truck, bit of a trans problem which will be sorted in a couple of weeks, then when “The most locked down city in the world” is open again we will head of the see Gary at “Chevs” and do a dyno run stay safe

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