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  1. Re: 1987 2wd automatic transmission in SLC for free

    FREE!

    I need it gone, but don't want to scrap it.
  2. Re: Thoughts on Blocking of Throttle body coolant lines

    One of the first things I did when I got my first van was bypass the cooling lines to the throttle body. Making the air hotter as it goes into your engine isn't good for performance. You can't...
  3. Thread: no brakes at all

    by VanCo
    Replies
    33
    Views
    12,210

    Re: no brakes at all

    Have you checked vacuum at multiple different ports? PCV etc.
  4. Thread: no brakes at all

    by VanCo
    Replies
    33
    Views
    12,210

    Re: no brakes at all

    Low vacuum, check for - Vacuum leaks (I see you've checked this), blocked exhaust (I see you've checked this too), low compression, excessive cylinder leak down, ignition timing off (verify TDC on...
  5. Replies
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    3,693

    Re: Is front body panel removable?

    Or you could use this approach...

    10797
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    2,263

    Re: Gas Cap - Vented or Unvented?

    The van needs an unvented gas cap. The tank is vented through the charcoal canister.

    Vented caps were phased out in the 70's due to emissions, fires, spills, smell, etc.
  7. Re: LED Headlights ... and troubleshooting problems after install

    Tim,

    The amp draw numbers you listed are the result of the H4 high/low outside light not getting the correct power signal, and not functioning properly. If you were to watch the outside H4 lights...
  8. Re: LED Headlights ... and troubleshooting problems after install

    Hey Tim,

    With your setup do all 4 high beams light up when you turn on the high beams?
  9. Re: Front axle boots disconnected and exposed & CV axle rebuild

    Shop practices are different than DIY practices, in a lot of ways. In a shop when a CV axle boot is broken and it has been broken a long time (like yours, lacking a greasy mess) it is best to just...
  10. Re: LED Headlights ... and troubleshooting problems after install

    Yeah, just high beams should work if you're getting the proper power and ground. You just need to work out the polarity on the plug.

    The only way they would be plug and play is if they were...
  11. Re: LED Headlights ... and troubleshooting problems after install

    How didn't it work, what was it/wasn't it doing?
  12. Thread: Radiator for 4WD

    by VanCo
    Replies
    109
    Views
    94,922

    Re: Radiator for 4WD

    I agree with Burntboot

    For instance, I was chasing cooling issues for a while on this van. Never overheated, just ran hot. Didn't use coolant, no milkshake. I decided to run a multi layer steel...
  13. Thread: Radiator for 4WD

    by VanCo
    Replies
    109
    Views
    94,922

    Re: Radiator for 4WD

    I have run the Griffin radiator without the vent/purge hose for several years, and 10k plus miles. The hose makes it easier to get the air out of the system, but it isn't necessary. I use one of...
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    Re: Cleaning Mass Air Flow Sensor

    That is a vane airflow meter. It isn't the type of mass airflow meter the requires cleaning. That isn't hot glue. It's factory sealed. It shouldn't need any cleaning inside.
  15. Replies
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    3,321

    Re: Stalling on low oil pressure

    Another thing to check for is vacuum leaks. Also check the intake hose between the throttle body and MAF.
  16. Replies
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    2,266

    Re: What causes injectors to fire?

    That is pretty much what is needed for spark and injector pulse. The ECU and all components involved will need the proper power and ground of course. The injectors are negative fired from the ECU, no...
  17. Replies
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    3,321

    Re: Stalling on low oil pressure

    The stalling has nothing to do with low oil pressure.
  18. Replies
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    2,266

    Re: What causes injectors to fire?

    There is just one pickup, it is in the distributor. That sends a cam signal to the igniter. The igniter sends a modified signal to the ECU. The ECU then uses that signal to directly fire the...
  19. Thread: Radiator for 4WD

    by VanCo
    Replies
    109
    Views
    94,922

    Re: Radiator for 4WD

    I have run several different versions (14 inch, 16 inch, 2 10 inch, pushers, pullers shrouds, etc.) of electric fans non turbo over the years. They all work to a point, but the problem is the lack of...
  20. Thread: Radiator for 4WD

    by VanCo
    Replies
    109
    Views
    94,922

    Re: Radiator for 4WD

    That's awesome! Looks great too!

    One thing I caution, don't use that coolant nipple plug for any amount of time. They will crack and fail. Especially in the van where the under seat temps are like...
  21. Replies
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    15,729

    Re: Slight Differential Noise at 315K

    The bearing races for the pinion gear are hammered/pressed in and out of the third member. If you are replacing the bearings you need to replace the races. To do this you need to take it all apart....
  22. Replies
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    106,451

    Re: Charging Air Conditioning System

    :whs:

    Works so much better than messing around with r134a conversations.
  23. Replies
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    2,358

    Re: INJECTOR CONNECTIONS QUERY

    The injector is a simple electromagnetic solenoid. Polarity does not matter. I like to make them all consistant though. Designated all the left or right terminals as positive or negative. This really...
  24. Thread: Radiator for 4WD

    by VanCo
    Replies
    109
    Views
    94,922

    Re: Radiator for 4WD

    I see what you are referring to, however; both radiators are listed as 22" wide in the overview on Summit's site. Not sure why.

    The width isn't a big issue 23" will fit fine. There is no room for...
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    3,136

    Re: 84 LE Driver Seat Removal

    :roflmao: It's four bolts!
  26. Replies
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    57,237

    Re: Idle adjustment question

    Super awesome! I'm glad it helped!
  27. Thread: Radiator for 4WD

    by VanCo
    Replies
    109
    Views
    94,922

    Re: Radiator for 4WD

    Hello MacD,

    I've been using the Griffin radiator for a few years now. I really enjoy it.

    Take an look at posts 68-71 of this thread. I provided some good information. There some other posts...
  28. Replies
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    3,427

    Re: Can't properly set ignition timing

    That should be okay. I've done that before when I had a non functioning TPS. If you're concerned the timing is too advanced, remove the power steering access panel and drive around. It's the perfect...
  29. Replies
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    3,427

    Re: Can't properly set ignition timing

    I jump the connector with it running at idle. Regarding the 11 code, it can be set when the ECU detects an open condition in the TPS circuit, when it isn't expecting it. When this happens the ECU...
  30. Replies
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    57,237

    Re: Idle adjustment question

    Everything sounds good (except idle), though it's interesting that at cruise the readings don't bounce back and forth more often. This could be due to the placement of the wideband O2 bung, which is...
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    3,427

    Re: Can't properly set ignition timing

    The rotor shouldn't have movement back and forth. That will cause difficulty timing and potentially the issue you're experiencing.

    Where did you get the cam? Is it OEM?
  32. Replies
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    57,237

    Re: Idle adjustment question

    The higher the number the more lean. For example 18 parts of air to 1 part fuel vs 14.6 air to 1 fuel. More air is leaner. Anything over 16:1 at idle on these engines causes a sporadic lean misfire....
  33. Thread: Running issue

    by VanCo
    Replies
    7
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    4,506

    Re: Running issue

    With the overflow tube pinched there could have been excessive pressure in the cooling system. This can can cause leaks, blown hoses, etc. The overheating can be caused by a lot of things. There are...
  34. Thread: Running issue

    by VanCo
    Replies
    7
    Views
    4,506

    Re: Running issue

    To clarify, you drove the van with a hose crimped, with no possible coolant flow? How far did you drive? How hot did it get?
  35. Thread: Radiator for 4WD

    by VanCo
    Replies
    109
    Views
    94,922

    Re: Radiator for 4WD

    I made new bottom mounts. Not hard, you'll see.

    For years I ran a "friction" type top mount. It was a bolt stabbing a plate of aluminum placed on top of the radiator using the top middle factory...
  36. Thread: Radiator for 4WD

    by VanCo
    Replies
    109
    Views
    94,922

    Re: Radiator for 4WD

    I have:

    https://www.summitracing.com/parts/gri-2-26185-h

    It is the predecessor to the part you posted. The new one (that you posted) has a larger tube size, which is better. They are identical,...
  37. Replies
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    Re: Timing issue?? That's my guess....

    If you have to drive it and cannot back off the timing fill the tank with the highest octane gas you can. Also add a can of octane booster from an auto parts store. If you're just a bit too advanced...
  38. Re: 4wd members with All/Mud Terrains: What’s your MPG like?

    Hankook Dynapro MT 30x9.50r15

    Before turbo, 16-20mpg.

    After turbo, 10-30mpg depending on how bad I need that turbo power feeling. Most of the time I'm in the 16mpg range, but I get that crappy...
  39. Replies
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    63,693

    Re: Replacing your fuel pulsation damper

    I just wanted to chime in.

    I have run a Herko PR4033 for three years now. It's been flawless, and it threaded on fine. I should also mention my fuel system sees a fluctuating pressure from 48 to...
  40. Replies
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    57,237

    Re: Idle adjustment question

    Yes the air temperature sensor in the AFM. For the most part the air temp will be close to ambient, however; that will change the longer you drive and the more the engine compartment, AFM, and airbox...
  41. Replies
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    57,237

    Re: Idle adjustment question

    I've only bought the wideband O2s as a kit with everything needed. The components are sold separately though. Just make sure you get the right gauge controller to match that LSU 4.9 sensor.

    The...
  42. Replies
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    57,237

    Re: Idle adjustment question

    The RPM drop going from 1500 RPM to drive will be different than going from 1000 RPM to drive, due to the load on the torque converter, and how engaged it is. It is not a linear relationship. The...
  43. Replies
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    57,237

    Re: Idle adjustment question

    Sure thing!

    The large hose I was referring to is the one connected to the AC idle up diaphragm. You can actually pinch the line coming from the intake boot that feeds the diaphragm. That way you...
  44. Replies
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    57,237

    Re: Idle adjustment question

    This site has a great write up on the AFM:

    https://www.4crawler.com/4x4/CheapTricks/AFM/index.shtml
  45. Replies
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    57,237

    Re: Idle adjustment question

    I would get it up to temperature and wait for it to go in to its high 1300 rpm idle. Once there, use pliers to pinch vacuum lines that would affect the idle (VSV, etc). There is an idle up diaphragm...
  46. Replies
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    57,237

    Re: Idle adjustment question

    Thanks Tim!

    I spent a lot of time reverse engineering this EFI system to make it work with a turbo. Between a rising rate regulator, tweaking the AFM, and a pressure switch that cut the oxygen...
  47. Replies
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    57,237

    Re: Idle adjustment question

    As you may know the Vane Air Flow Meter (AFM) uses an air temperature sensor and potentiometer controlled by a vane that moves in relation to the engine's air demand.The Electronic Control Unit (ECU)...
  48. Replies
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    47,994

    Re: frozen bolt (to adjust alternator belt)

    This all reads like a riddle. Since I'm pretty good at riddles, I'll give it a shot.

    Don't use the adjuster bolt at all to tighten the belt.

    If you are trying to tighten the belt and the...
  49. Thread: Alternator woes

    by VanCo
    Replies
    131
    Views
    155,427

    Re: Alternator woes

    I completely rewired the engine compartment when I went to aftermarket fuel injection. When I did that I ran a new 4 gauge main cable to the alternator. Should be good to 200 amps (only 6 feet to the...
  50. Thread: Alternator woes

    by VanCo
    Replies
    131
    Views
    155,427

    Re: Alternator woes

    Thanks Flecker!

    You should make the switch. The AD244 comes stock with around 150 amps. Aftermarket 250+. Also, you can find them in any auto parts store at anytime, and the pick n pull for a...
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