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Location:
Perth
Registered:
October 2003
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BOV on Turbo Diesel
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Thu, 21 October 2004 23:39
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Just fitted an intercooler to my Navara ute and my mate jokingly said "When are you gonna fit a BOV". Got me thinking, wouldnt do anything on a diesel would it as there is no throttle butterfly? When you take your foot off the gas the engine would just swallow up that air wouldnt it? 
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Location:
Arthurs Creek, Victoria
Registered:
May 2002
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Re: BOV on Turbo Diesel
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Thu, 21 October 2004 23:45
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Correct.
Why don't trucks have blow off valves?? Consider that
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Location:
Brisbane
Registered:
May 2002
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Re: BOV on Turbo Diesel
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Thu, 21 October 2004 23:50
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Yep, there needs to be a pressure differential to make a BOV work... and with no butterfly there will be no differential!
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Toymods Club Treasurer
Location:
Sydney
Registered:
May 2002
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Re: BOV on Turbo Diesel
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Fri, 22 October 2004 00:23
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I thought about rigging something up with the vacuum system for my brakes to make one work as a laugh.
It would involve an electronic controlled vacuum solenoid, T pieced into line from vacuum pump to brake booster, then to BOV from turbo compressor outlet.
When throttle is closed, switch opens solenoid which allows vacuum to hit BOV signal line which would open BOV.
Hadn't figured out how to get it to closed at idle though when throttle is closed.
I've obviously got too much time on my hands.
Or you could do the rice version which plays the sounds for the NA boys 
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Location:
Perth
Registered:
October 2003
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Re: BOV on Turbo Diesel
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Fri, 22 October 2004 01:38
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| stradlater wrote on Fri, 22 October 2004 07:45 |
Correct.
Why don't trucks have blow off valves?? Consider that
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Well what about a truck with an exhaust brake then? Then again if the exhaust valves are closed shut the turbo would stop boosting, thats an interesting one! aaaaarrrrrrrrrrrrrrrrr
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Location:
Brisbane
Registered:
May 2002
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Re: BOV on Turbo Diesel
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Fri, 22 October 2004 02:37
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What does an exhaust brake have to do with anything? BOV's are plumbed into the inlet, not the exhaust!
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Location:
Perth
Registered:
October 2003
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Re: BOV on Turbo Diesel
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Fri, 22 October 2004 04:00
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| Norbie wrote on Fri, 22 October 2004 10:37 |
What does an exhaust brake have to do with anything? BOV's are plumbed into the inlet, not the exhaust!
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No shit sherlock!
I mean if the driver takes his foot off the accelerator the exhaust valves will be held shut, therefore wouldnt it have a similar effect as having a closed throttle plate?
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Location:
Brisbane
Registered:
May 2002
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Re: BOV on Turbo Diesel
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Fri, 22 October 2004 04:11
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Um... no. A diesel is never going to pull vacuum without a throttle plate.
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Location:
Montrose, VIC
Registered:
May 2002
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Re: BOV on Turbo Diesel
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Fri, 22 October 2004 14:09
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Another thing - exhaust brakes sound 10 million times better than a blow off valve ever can 
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