Lifted E30 V2
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Does this car have a switch to manually operate the glow plugs? I've only ever seen them initiated by the ignition switch.
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After that I started thinking about glow plugs. I have never really known when they should be on, so I decided to leave them on and see what happened.
Your compression ignition engine has a pre ignition chamber in the head which requires heat to ignite the fuel, hence the job of the glow plugs on colder days. Anything below 35 degrees the motor probably won’t be able to generate enough mechanical heat to get the job done on its own.
As Pat said usually it’s all just tied into the ignition system. Did the E28 have a glow plug controller?
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Does this car have a switch to manually operate the glow plugs? I've only ever seen them initiated by the ignition switch.
It sure does have a switch for them lol.
The stock E28 does have a controller for them, but in going manual and not fully caring about electronics I didn't concern myself with pinning the flywheel and finding the injector that has a sensor in it to tell the ecu what is going on. I am flying completely mechanical at this time.
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Since the car has arrived back in my possession it no longer makes full boost per a one run test. The turbo screams away but only musters up 5 psi. I need to verify this again, then buy an air compressor I think to be able to check for leaks, though I would think something that is allowing that much air out would be evident!
Beyond that I'm unsure what the fate of this car is.
I would guess boost leak. does the turbo spin freely? a bad or sticky bear could cause less boost too.
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I would guess boost leak. does the turbo spin freely? a bad or sticky bear could cause less boost too.
Turbo is doing everything it can to make pressure, but the lil guy can only do so much.
It does actually make about 10psi, but is not opening the wastegate, you can hear air escaping somewhere.
I took each part of the intercooler circuit apart and everything looks fine and mouth tests fine.I left plenty of things behind in WI thinking we wouldn't have enough room in the truck to bring them along, but that truck was pretty empty! Oh well!
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Why do people on FB think used air compressors are worth their weight in gold?!
I'm trying to follow a budget, so the boost leak testing hasn't happened yet, but I think I'm going to grab one of these guys.
Anyone have experience with one of these?
https://www.harborfreight.com/8-gallon-15-hp-150-psi-oil-free-portable-air-compressor-64294.htmlI haven't run air tools in a long time because electric tools are so good these days, but don't want to go to a pancake compressor. I feel like this one would be convenient to stick up in the rafters and hook a reel to it.
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Bike pump?
Compressed air is better than no compressed air, but I would apply the harbor freight rule here. Are you going to use it more than once? Then get a decent one. An air compressor takes up too much space to have one that's not quite good enough for what you need it for, but it still works so you keep hanging on to it forever...
One of those cigarette lighter tire infiltrators should be good enough to find a boost leak, and then you can just throw it in the trunk...
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I have a Husky 8 gallon Air Compressor that is very similar to the HF one you linked. Used it for my air nailers on our home renovation, building my garage, building the shed on the back of my garage and it has never had an issue. I would have more faith in the Husky compressor vs the HF compressor.
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Bike pump?
Compressed air is better than no compressed air, but I would apply the harbor freight rule here. Are you going to use it more than once? Then get a decent one. An air compressor takes up too much space to have one that's not quite good enough for what you need it for, but it still works so you keep hanging on to it forever...
One of those cigarette lighter tire infiltrators should be good enough to find a boost leak, and then you can just throw it in the trunk...
Twas thinking about a bike pump as well, but having a compressor at the house for tubeless tires and various other things is never a bad thing.
Cigarette lighter pump is likely too loud to use for boost leak testingI have a Husky 8 gallon Air Compressor that is very similar to the HF one you linked. Used it for my air nailers on our home renovation, building my garage, building the shed on the back of my garage and it has never had an issue. I would have more faith in the Husky compressor vs the HF compressor.
That was one place I didn't look (somehow) and the extra $10 is likely well worth it!
Thanks gents!
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they are all the same. the only question is which is easiest to return/replace when the time comes?
or you could just pick one for a random reason. the McGraw is pretty, it is Gulf Porsche colors.
Dan
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they are all the same. the only question is which is easiest to return/replace when the time comes?
or you could just pick one for a random reason. the McGraw is pretty, it is Gulf Porsche colors.
This is more or less what I was thinking. A year or two down the road a guy picks up an air tool figuring, "oh, I have a compressor, this will be perfect.", then realizes what he actually has is basically a 12v tire inflator pump with an 8-gallon tank on it. </rant>
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I would not get an oil free compressor, they are all very light duty and won't last doing real air tool things. I have a small Puma compressor that I bought used for 60$ several years ago and it works good when I don't want to use the big compressor.
I have an oil free compressor that I have had since 2003. Works great to this day.
https://www.instagram.com/_jdesigner_/ http://nevertoolow.tumblr.com/
🥳SOLD BMW E24 633CSI - BMW M30B32 🧪SOLD HCH ES9 - 1.3 LDA
👽BMW E30 325IC - Toyota 1JZ-GTE ⏰ HONDA EF9 CIVIC SI - JDM B18C5
☠️BMW E36 318i - Ford 5.0 FE302 🚴♂️ GT-Labomba - 26x2.75 Freeride
🤹♀️SOLD BMW E36/7 Z3 - BMW M54B25 🧓SOLD BMW E10 2002 - BMW M10M05 -
Went the Husky route, and need to find an air reel (when did those get so expensive?!)
Conveniently the whack schedule sizing works out well for the inlet of the turbo (60mm) to use a 2" rubber coupler to a 2" Sch. 40 cap with a pressure regulator on it.Now to take it out of the box and figure out where my boost is going!
Then after that I need to find where my brake fluid is going.... -
I realize now that I never really drove it hard after doing the intercooler, and I had recently taken it out. Turns out many clamps were not tight enough.
Got those taken care of and still had air going somewhere, and at decent volume. Started feeling around and felt it coming out of the external wastegate dump.
It leaks out of the stem seal, which apparently is normal to some degree, but I am not sure if it's within that range.
Ran it on the internal gate and felt the boost come on quicker for sure, and surge a bit more on throttle let off.
The external gate is fantastic for top end of the motor, so I'll likely just keep bleeding boost out of my $50 external wastegate for awhileMade up some holders for front marker / turn signal lights. Need to tack those in and then wire up the lights.
I don't know if it ever showed up in pictures here, but a friend made a new front bumper for it.
This one is a bit sturdier (not made of exhaust tubing lol) and was all properly bent which is nice.Currently on a massive internal debate of what to do with this thing / this engine
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Got those taken care of and still had air going somewhere, and at decent volume. Started feeling around and felt it coming out of the external wastegate dump.
It leaks out of the stem seal, which apparently is normal to some degree, but I am not sure if it's within that range.
as a new turbo owner and a turbo noob i'm curious, can you explain this more? it doesnt look like the valve stem is actually between where boost pressure originates and the wastegate dump. it looks like if the valve stem was letting boost past, it would get into one of the ports or past the 'lower O-ring' in that diagram.
Dan
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as a new turbo owner and a turbo noob i'm curious, can you explain this more? it doesnt look like the valve stem is actually between where boost pressure originates and the wastegate dump. it looks like if the valve stem was letting boost past, it would get into one of the ports or past the 'lower O-ring' in that diagram.
What they have labeled as the "Decrease" port is the pressure reference, and is put on the "open" side of the wastegate diaphragm.
The bottom side of that diaphragm also houses the stem seal for the wastegate valve itself.
This leak is actually a "regulated" percentage of boost (10% usually) as the design inherently leaks.I do believe mine is leaking significantly more than the one in this video, but with an undecided fate I cannot justify the $230 for a name brand gate
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Marker lights / turn signals are done
All of the lights!General cleanup is next.
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