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Turbo Technics S280

haste

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I fold an old moving blanket and put it on top of my engine so I can comfortably lay on top of it for turbo work. Game changer.
Great technique for the people that can use it. I think I would slide off the front of the vehicle due to my long lanky ass.
 


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Maryland
His 2nd photo shows cowl removal. I personally disconnect the wiring harness from the three connectors shown in the picture for that bit more clearance when removing/reinstalling.
I thought so. I’ve never worked on this car and some cowl’s remove almost to the firewall. Seems to be still a good deal of over even with it removed.
 


gtx3076

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I’ve tried to remove my cowl twice, including using penetrating oil. I honestly think I’ll break the wipers if they ever come off.
 


dhminer

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I’ve tried to remove my cowl twice, including using penetrating oil. I honestly think I’ll break the wipers if they ever come off.
Push with your left hand right at the hinge and simultaneously pull the wiper base with your right. It’s a scary sound every time they snap free but I’ve done it at least 15x and never broke anything.
 


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Like many others apparently I struggle to read, but the top line with a BOV just doesn't connect to anything correct? And the nipple on the BOV stays disconnected/sourced from a vacuum after the throttle body(?)
 


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rallytaff

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Thankfully I'm retired so I can afford to pay for anything done to my car. I can sit at home while someone who knows what they're doing has to suffer instead of me!
 


dhminer

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Like many others apparently I struggle to read, but the top line with a BOV just doesn't connect to anything correct? And the nipple on the BOV stays disconnected/sourced from a vacuum after the throttle body(?)
I think you’re asking about the vacuum line from the boost control solenoid. If so, yes what’s the top line in your photo can be left disconnected or you can stick a quick tap into the intake elbow to recirculate the air back through the turbo. Note the boost control solenoid has nothing whatsoever to do with the blow off valve, which you are correct connects to the MAP sensor adapter on the intake manifold.
 


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Location
Portland, OR, USA
I think you’re asking about the vacuum line from the boost control solenoid. If so, yes what’s the top line in your photo can be left disconnected or you can stick a quick tap into the intake elbow to recirculate the air back through the turbo. Note the boost control solenoid has nothing whatsoever to do with the blow off valve, which you are correct connects to the MAP sensor adapter on the intake manifold.
Is there a good example of where the BOV connects to on the intake manifold? My Google searching hasn't given my any results. Can't check myself as the car isn't quite back together yet as the oil out feed fits so tight it's taking two of us trying different things to get the gasket to sit lol.
 


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Well fuck, I didn't mind getting rid of the aftermarket hot side charge pipe no problem but I didn't realize that as a result I'd be missing a bend to actually attach the S280's charge pipe. Currently in the process of hacking up old components from the old CPe hot pipe to try and make it all fit for the moment but I need a permanent solution. Any ideas?
 


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dhminer

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Is there a good example of where the BOV connects to on the intake manifold? My Google searching hasn't given my any results. Can't check myself as the car isn't quite back together yet as the oil out feed fits so tight it's taking two of us trying different things to get the gasket to sit lol.
You have to remove the MAP sensor and install an adapter that goes between it and the intake manifold. Your kit should have come with one. The spacer has a boost reference port on it that the vacuum line goes to. If you’re looking directly at the car from the front, it’s on the top left side of the intake manifold. Can’t miss it. It’s the only sensor that has a wiring harness connection on the intake mani.
 


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You have to remove the MAP sensor and install an adapter that goes between it and the intake manifold. Your kit should have come with one. The spacer has a boost reference port on it that the vacuum line goes to. If you’re looking directly at the car from the front, it’s on the top left side of the intake manifold. Can’t miss it. It’s the only sensor that has a wiring harness connection on the intake mani.
The BOV definitely did not come with an adapter, it was just itself in the box. I'm assuming that it's the Boost Reference Adapter? I got the one Ron offers for the S280 which shows one, but I definitely did not get one.

Sounds like I'm pretty boned and need to be placing an order ASAP
 


dhminer

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The BOV definitely did not come with an adapter, it was just itself in the box. I'm assuming that it's the Boost Reference Adapter? I got the one Ron offers for the S280 which shows one, but I definitely did not get one.

Sounds like I'm pretty boned and need to be placing an order ASAP
Correct. Did you get the kit used? Whoosh, CPE and Turbosmart all make them, as does Dizzy if you want to run a 5 bar AEM MAP sensor (not needed unless you’re going for fuel system upgrades too).

S280 kit should be 100% turn-key as far as piping goes as well.. seems like something was missing. Ron sells an S280 “s pipe” that may solve your gap problem.
 


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Location
Portland, OR, USA
Correct. Did you get the kit used? Whoosh, CPE and Turbosmart all make them, as does Dizzy if you want to run a 5 bar AEM MAP sensor (not needed unless you’re going for fuel system upgrades too).

S280 kit should be 100% turn-key as far as piping goes as well.. seems like something was missing. Ron sells an S280 “s pipe” that may solve your gap problem.
Got everything from Ron brand new, the lack of pipe isn't a surprise since I had a different hot side setup already but I must have missed the strict you MUST have the stock component.


EDIT: Lying in bed at 3am (having successfully finished the install) and realized the errors of my ways. Didn't put two and two together at the time and wasn't looking super hard when annoyed earlier lol.
This is the exact BOV listing I used
https://whoosh-motorsports.myshopif...bov-kompact-plumb-back-for-s280-free-shipping
 


Last edited:
Messages
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Location
Portland, OR, USA
I noticed a little bit of oil collecting on the bottom of the turbo today while I was under the car, very little (Think 1-2 drops worth, and not dripping) and otherwise no obvious source. About the same amount that was there on the stock turbo when I removed it so I'm not super surprised, and I've never seen any oil collecting under the car before or after, should I be doing something preventative I don't know of? I used all new gaskets, lines, washers, etc and got everything tightened down properly so I'm not entirely sure what it is. I'm a little inclined to assume it's just a thing it's going to do and not worry about it since it was like that with no issues 55k miles in on the stock turbo, but I figure I should ask the collective before I go dismissing it lmao
 


dhminer

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I noticed a little bit of oil collecting on the bottom of the turbo today while I was under the car, very little (Think 1-2 drops worth, and not dripping) and otherwise no obvious source. About the same amount that was there on the stock turbo when I removed it so I'm not super surprised, and I've never seen any oil collecting under the car before or after, should I be doing something preventative I don't know of? I used all new gaskets, lines, washers, etc and got everything tightened down properly so I'm not entirely sure what it is. I'm a little inclined to assume it's just a thing it's going to do and not worry about it since it was like that with no issues 55k miles in on the stock turbo, but I figure I should ask the collective before I go dismissing it lmao
I had to mess with the oil return from the bottom of the turbo a few times to stop it from doing the same thing. I ended up swapping from an OEM gasket there to a crappy gray one you can get from ATP and it fixed the issue immediately. No clue why.
 


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Ontario, CA, USA
I noticed a little bit of oil collecting on the bottom of the turbo today while I was under the car, very little (Think 1-2 drops worth, and not dripping) and otherwise no obvious source. About the same amount that was there on the stock turbo when I removed it so I'm not super surprised, and I've never seen any oil collecting under the car before or after, should I be doing something preventative I don't know of? I used all new gaskets, lines, washers, etc and got everything tightened down properly so I'm not entirely sure what it is. I'm a little inclined to assume it's just a thing it's going to do and not worry about it since it was like that with no issues 55k miles in on the stock turbo, but I figure I should ask the collective before I go dismissing it lmao
I noticed some dried residue that looked like oil as well. No oil drips though. I did have coolant leaking from the freeze plugs on the turbo itself. Had to unbolt the turbo off the manifold to get enough room to get a 1/4 ratchet in there.
 


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