The turbocharger tag has no wiki summary.
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What is the function of a blow-off valve vs a wastegate?
I am waiting for a 2013 STI and have been looking into upping the performance, but before I go down that road I would like to thoroughly understand the components in a forced induction vehicle.
I've ...
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4answers
90 views
How to deal with a hot turbocharger
A piece of advice that seems to be widely accepted is that after a long high-speed run, when the turbocharger is thoroughly hot, you should let the engine idle for a while before stopping it. The ...
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1answer
207 views
Turbo losing boost at around 4000 rpm
I have a 2005 Opel Astra Turbo Coupe. I would imagine most of you guys are more familiar with the Vauxhall or Holden badge, but it's the same car with the same Z20LET Turbo Ecotec engine.
Anyways, ...
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1answer
160 views
What does PRNDSB means?
My Daihatsu Mira does not have any manual, Its an automatic car with TurboEngine and Gear with PRNDSB. What does all these means? My car is four wheel drive as I can see rear differential in it. If ...
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1answer
175 views
BMW 33D 2001 no power problem
I have:
BMW 330D, 2001 year, saloon, 135kw
Recently I have change the turbo charger of my car. There was a problem related with this post.
Then I went to the garage and they ran the diagnostics. ...
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2answers
577 views
BMW 330D 2001 E46 Turbo Charger not working as expected after changing
I have a problem with my car.
My car:
BMW 330D, 135kw, 2001 year, E46.
A week ago my turbo charger got broken when I was driving. There was a lot of white smoke going out of exhaust and there was ...
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3answers
274 views
Is it feasible to Turbo a NA engine while maintaining 87 AKI octane fuel use?
I initially thought there should be a way to bolt on a small aftermarket turbo onto my naturally-aspirated Honda D17A2 (9.9:1 compression ratio) engine in my EM2 Civic EX without having to switch from ...
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2answers
436 views
What happens to a car when it hasn't been driven for 12 years?
I'm hoping that I'll soon be the owner of 2l turbo charged, 4wd hatchback that's been sat in a garage, undriven for over a decade. Trouble is that I won't be able to give it a full inspection until I ...
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3answers
767 views
High Octane petrol's effect on turbos
I have a 2001 SAAB 9-3. I was told that I should use a high octane fuel...that it would extend the life of the turbo. Is this true?
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2answers
792 views
Audi a4 2007 2.0T boosts but poor performance, fuel economy
My 80,000 mile 2.0TFSI Turbo Audi has lost a lot of performance but no check-engine-light (CEL) or codes. One month ago an independent garage looked at it and did $2200 of work including transmission ...
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3answers
89 views
Typical Stock Boost Values
For an engine that is boosted out of the factory, what are typical maximum and average boost values? Are they conservative in the 5-6 PSI range or do they get more aggressive getting up to 10-15 PSI? ...
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4answers
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Why does a Turbocharger only produce boost when the engine is under load
As per the Title.
Why does a turbocharged car only produce significant boost whilst the engine is under load. Is is something to do with how much exhaust is being produced or is there some kind of ...
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1answer
257 views
Diesel motor running slightly jerky on normal RPM after having the turbo repaired
I got my turbo repaired, the service told me that stopped working due to a sensor that had to be changed. It costed me a lot because they told me that the sensor was inside the turbo and it was hard ...
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1answer
458 views
2006 Audi A4 2.0T, No passing power
I have a 2006 Audi A4 2.0T Turbo Tiptronic Automatic that has no passing power.
When I step on the accelerator the car will shift down into a lower gear, rev about 3500 RPMs but will not shift up ...
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3answers
403 views
Forced induction and engine braking
So does forced induction negate the effect of engine braking on compression motors?
For example, going down an incline, drop into 3rd (automatic) to get some engine braking going. With my new Chevy ...
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4answers
203 views
How to prevent a car from boosting?
Considering a turbo car. The specific model is a Dodge Caliber SRT 2008, but I'd prefer a more generic answer.
How can one prevent the car from boosting while still having a car that can be driven ...
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3answers
1k views
Static vs. Effective compression: Why does higher effective compression not require higher octane gas?
Background
I've been trying to do a lot of research on boost lately because I'm planning on running a moderate turbo setup on my daily/light-duty-autox car in the future. I'm trying to get into the ...
