Recent content by Dustin Murry

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98/99 vortec 5.7 engine data needed

I also want to add this point. The engine runs absolutely perfect when the maf is unplugged. Normally the shifts are extremely sluggish as well even with having a sonnax line pressure booster and all new accumulator Pistons and valve body separator plate. When its unplugged it shifts great...
- Dustin Murry
- Post #14
- Jan 29, 2020
- Forum: 96+ Vortec Performance + Computer Swaps
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98/99 vortec 5.7 engine data needed

How many grounds does the engine harness have??? I have a single black wire with eyelet at the thermostat housing and a single wire at the back of the right head plus the engine to chassis ground strap there.
- Dustin Murry
- Post #13
- Jan 29, 2020
- Forum: 96+ Vortec Performance + Computer Swaps
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98/99 vortec 5.7 engine data needed

Spike to 60 then settles to 55 after pump shuts off
- Dustin Murry
- Post #12
- Jan 29, 2020
- Forum: 96+ Vortec Performance + Computer Swaps
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98/99 vortec 5.7 engine data needed

Once I get the intake back together I will look into this... Should I key on engine off then unplug, then start it?
- Dustin Murry
- Post #10
- Jan 28, 2020
- Forum: 96+ Vortec Performance + Computer Swaps
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98/99 vortec 5.7 engine data needed

So I've checked all of my grounds. Every circuit nearly 0.01 ohms including the ecm grounds. I pulled the plenum and there are zero fuel leaks in there, no regulator or injectors are leaking. When I hold the test jumper near the fuse box pressure reads at 60 psi. The second I undo the jumper...
- Dustin Murry
- Post #9
- Jan 28, 2020
- Forum: 96+ Vortec Performance + Computer Swaps
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98/99 vortec 5.7 engine data needed

Thanks. I was afraid someone was going to say something like this.... Harsh realities. I've ran a camera into the intake and there are no visible leaks inside the plenum area. So I replaced my fuel pressure gauge and key on engine off it spikes to 60 psi levels to 58 then slowly falls back...
- Dustin Murry
- Post #7
- Jan 25, 2020
- Forum: 96+ Vortec Performance + Computer Swaps
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98/99 vortec 5.7 engine data needed

Explain the theory of the lean misfire please.
- Dustin Murry
- Post #4
- Jan 18, 2020
- Forum: 96+ Vortec Performance + Computer Swaps
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Lowered 4wds?

Here's my 99 suburban k1500. It's no longer 4 wheel drive as I had to remove the cv's. However it's still sitting on 4wd suspension.
- Dustin Murry
- Post #65
- Jan 16, 2020
- Forum: Lowered and Bagged Suspension
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98/99 vortec 5.7 engine data needed

I'm having some weird driveability issues with my 99 suburban. What I am requesting is for anyone of you who have access to a scan tool or the such to provide me with your ECM data. I need ltft stft MAF g/s etc. Of your engine at idle. I have a fresh engine with excellent compression. A new...
- Dustin Murry
- Thread
- Jan 15, 2020
- Replies: 13
- Forum: 96+ Vortec Performance + Computer Swaps