"PowderHound" (PowderHound)
06/12/2020 at 21:33 • Filed to: None
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"PowderHound" (PowderHound)
06/12/2020 at 21:33 • Filed to: None | 1
| 10 |
In the past couple of weeks I have replaced the turbo, oil feed line, coil packs, upstream O2 sensor, coolant, and oil on my car. I have been on a couple of short trips around town with little to no boost but today was a bit longer and more of a shakedown run. Overall it runs great. The clutch engages and doesn’t bog down like it did ever so slightly before all this. It sounds healthy. Any smoke that there was i believe was just burning off pb blaster and spilt coolant. It runs up the rev range and pulls great right up until about 80mph in 4th and about 85 in 5th.
For the most part that doesn’t bother me And yet it does. Trying to track down issues on forums is ridiculously hard because most of them put on something like a new downpipe and didn’t get it tuned. This was happening more before the new parts but still is there. I think overboost? No idea. It feels like a fuel cut for half a second and then it’s good to go again. No CELs. Holds boost. Maybe I’ll spend more money and get an access port to data log but I don’t really want to.
Thanks for reading, or not, my stream of consciousness rambling post mini shakedown drive. Have a flying car.
dumpsterfire!
> PowderHound
06/12/2020 at 22:32 |
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Oh, that many variables at once gives me anxiety
gettingoldercarguy
> PowderHound
06/12/2020 at 22:36 |
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Can you monitor your ecu?
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PowderHound
> dumpsterfire!
06/12/2020 at 22:38 |
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It was happening a bit before and the turbo was swapped with the same one just not with 220k miles. It was certainly a “parts cannon” approach but I was also replacing things due to age and this hesitation was a side thought. I was still afraid to go too far from home so I might go on a longer drive tomorrow and try to nail down any condition it happens in.
Possibly a good time to bust out the GoPro so I’m not trying to look at the road, speedometer, and boost gauge all at once.
This is what we'll show whenever you publish anything on Kinja:
> PowderHound
06/12/2020 at 22:39 |
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Assuming it’s not actually a fuel cut as I suspect that would lean it out and make it ‘splode while under boooo st.
Funny story, as I recall it anyway. The first iteration of the AEM EMS was designed around NA applications and handled the rev limiter by cutting fuel. Any ideas how boosted early adopters fared? Yeah, they switched to cutting spark instead shortly thereafter.
Personally I’d bring it somewhere to be professionally dyno tuned, if your car supports it.
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PowderHound
> gettingoldercarguy
06/12/2020 at 22:41 |
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no :(
That’s what is making me lean toward an accessport. Actually, my housemate has one of those ODBII bluetooth things I might be able to with that? it uses the app inC arD oc so I will look in to that
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PowderHound
> This is what we'll show whenever you publish anything on Kinja:
06/12/2020 at 22:44 |
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It was dyno tuned 7-8 years ago but things are making me think it’s a good time to have it looked at again. I’ve been looking at fuel cut, boost creep, and over boost. Still a little confused but it seems to run fine if I don’t go WOT in the upper gears, which is fine
Junkrat aka Rick Sanchez: Fury Road Edition
> PowderHound
06/12/2020 at 23:11 |
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This is a bugeye correct? If not disregard. I am also assuming you are running stockish parts, like no external wastegate.
Make sure the vacuum lines are going in the right direction on the boost solenoid, and that the wiring is connected. It’s probably something silly like that.
If you plan on working on this thing I would look into a Tactrix cable. That and the openecu software will give you access to sensor logging. You can find knock off cables pretty cheap.
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PowderHound
> Junkrat aka Rick Sanchez: Fury Road Edition
06/12/2020 at 23:31 |
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It is a bugeye and I am definitely going to go make sure I connected everything right and tightened it down. Double check for boost leaks.
The only thing with a tactrix is I have a Mac so I would need to either get another computer or partition my already limited drive on the laptop
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gettingoldercarguy
> PowderHound
06/12/2020 at 23:52 |
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I don’t know if they have the PIDs for what you’ll want to see. I’m really curious what you’re experiencing and the sensors are a huge help to that. When you replaced your turbo, did you use a new actuator?
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PowderHound
> gettingoldercarguy
06/13/2020 at 00:02 |
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Yeah it was basically a brand new td04 and wastegate. Straight swap for what was on there just way less miles