HomemadeTurbo - DIY Turbo Forum - BOV on VW Turbo Diesel???

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- Forced Induction (https://www.homemadeturbo.com/forced-induction-7/)

- - BOV on VW Turbo Diesel??? (https://www.homemadeturbo.com/forced-induction-7/bov-vw-turbo-diesel-81810/)

fe3tcourier

08-26-2007 01:53 PM

Re: BOV on VW Turbo Diesel???

it does... from the brake vacuum pump on the alternator (thats where it usually lives) and most existing diesel engines dont have an ecu...

they dont have any spark plugs either ;-)

E-b0la

08-26-2007 11:32 PM

Re: BOV on VW Turbo Diesel???

Quote:

Originally Posted by fe3tcourier

is this some modern POS ecu controlled diesel, or a reliable injector pumped diesel (which was the majority, and should stay that way for diesels intended purpose of pulling heavy ---- around, particularly partly under water.) if the latter, it doesnt have one, if the former, the man has a point, and it would be best to leave it alone.

You don't need a BOV on a diesel. Period. It will do nothing but sitt there on the pipe closed. Diesels can't sure because there is no Throttle body. The work though metering the fuel, not the air.

fe3tcourier

08-27-2007 12:16 PM

Re: BOV on VW Turbo Diesel???

Quote:

Originally Posted by E-b0la

You don't need a BOV on a diesel. Period. It will do nothing but sitt there on the pipe closed. Diesels can't sure because there is no Throttle body. The work though metering the fuel, not the air.

if you had a tps and a box that could read it, it could electrically trigger a vacuum solenoid driven from the alternator brake booster vacuum pump, and pull open the valve on lift off. this could help the turbo from slowing down too quickly... sure, its not needed, but it could help with any lag somewhat...

provided it is an engine with an injector pump on it.

i'm not saying that i'd bother, or that its worth it, but it could be done, and could have a benefit.

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