Search results

  1. M

    intake manifold

    have an 86 gmc sierra CA smog complaint but im getting rid of the smog parts dont live in california and im done with the truck running bad......my question is i want to replace the intake manifold but the original intake has an egr i want to replace my old intake with a intake manifold that...
  2. M

    Spark plug foul up

    I have an 86 GMC Sierra 5.0 with a MSD atomic 1 EFI have had an issue with my spark plugs, getting folded up after a couple hundred miles to get cover in black and truck runs like **** first, I thought it was my carburetor so I decided to swap it out to an MSD atomic one EFI and it runs great...
  3. M

    ESC module

    Hey guys, I just did a EFI conversion to my truck, but I’m still having issues with it. I had my EGR and my oxygen sensor removed but I got it back installed and my truck is still running really bad. I think it might be my ESC module just because I installed a new spark plugs and my spark plugs...
  4. M

    Oxygen sensor

    I have an 86 GMC Sierra that I just converted to EFI with an atomic MSD 2910 but I need to connect my O2 sensor. I need help splicing in the new provided oxygen center to my original wire coming from the computer. Seems like it’s running pretty bad the check engine light came on throwing a code...
  5. M

    TPS sensor wires

    Hey guys,I have a 86 gmc sierra 5.0 4 barrel carb I need help identifying my TPS wires going into my sensor I need to know which one is the TPS signal and which one is the ground wire? Can you help me please?
  6. M

    12v ignition switch source

    I need help finding a firm 12V ignition switch source to to connect my electrical fuel pump and my atomic msd efi does someone know where I can get a good connection from and please point it out
  7. M

    Fuel injection conversion

    Has anyone installed a fintech 30003 on a gmc Sierra 305 v8 or similar I have an issue that my carb is electronic and has a electronic tps sensor what do I do in this case do I splice in the wire or what should I do
  8. M

    EFI conversions

    i have a 86 gmc Sierra 5.0 it’s bone stock but I want to convert it My carb is running like **** it needs a rebuild and rather just convert my only issue is that my truck is California emissions and also has a tps sensor on the carb and on distributor it has a 4 pin connector was wondering do...
  9. M

    86 gmc sierra ICM connector

    im tryimg to find thiss harness please helpess connector that connects from the ICM to the EST HARNESS
  10. M

    86 gmc Sierra bogging no response

    so my truck started with this issue when cruising at normal speed and flooring it it just bogs down doesn't die tho. if you stop at a stop sign floor it it only bogs down no response. About 1 month ago CEL was on i replaced the TPS (Acdelco) was working very good then i left the truck parked for...
  11. M

    Rough idle

    I have an 86 GMC Sierra 5.0 I’ve noticed it idles kind of rough when stopped I replaced the spark plug to some acdelco rapid fires#1

Latest posts

Forum statistics

Threads
45,557
Posts
986,191
Members
38,640
Latest member
clee
Top