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ca18datsun
BOV and alternatives
#1
Just popping in
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2010/3/18 5:20
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i have a datsun 1200 ca18det ute, its nothing flash to look at, but its something special to drive. so in true sleeper fashion im not interested in attracting attention with my turbos discharge.
i dont want to compromise performance by any means, i just dont want high pich whistles.
so what are my options?

Posted on: 2010/4/17 13:46
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old_school
Re: BOV and alternatives
#2
No life (a.k.a. DattoMaster)
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2003/12/18 13:37
From Mandurah, Western Australia
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Im not running a BOV , so you get the flutter from the turbo on gear changes which sounds nice.

If you nanted a BOV use a plumb back unit and plub it back in after the AFM

Posted on: 2010/4/17 13:50
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estyre
Re: BOV and alternatives
#3
No life (a.k.a. DattoMaster)
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2009/8/26 6:58
From mandurah
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i like the high pich screams that turboed car make thats why they are awsome ,but they arent they attract too much attention

Posted on: 2010/4/17 14:05
_________________
77 1200 ute
77mm bore a15 ,12:1 comp
ported and reconed h89 head
fairly aggro cam ,billet rocker spacers
twin 40mm solex carbs on bpro manifold
MSD 6al2 with 2 step limiter
4speed 60a box
hd clutch
2 inch exhaust
locked 4:11 ute diff
...
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LittleFireyOne
Re: BOV and alternatives
#4
No life (a.k.a. DattoMaster)
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2005/8/27 15:36
From Townsville, Qld
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Vote #1 plumback and ditch the bov nonsense.

Posted on: 2010/4/17 14:43
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estyre
Re: BOV and alternatives
#5
No life (a.k.a. DattoMaster)
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2009/8/26 6:58
From mandurah
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+1 to BOV cos they sound cool

but so does turbo flutter !

Posted on: 2010/4/17 14:55
_________________
77 1200 ute
77mm bore a15 ,12:1 comp
ported and reconed h89 head
fairly aggro cam ,billet rocker spacers
twin 40mm solex carbs on bpro manifold
MSD 6al2 with 2 step limiter
4speed 60a box
hd clutch
2 inch exhaust
locked 4:11 ute diff
...
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Fenix_Longbow
Re: BOV and alternatives
#6
Home away from home
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2008/2/27 0:46
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Even a plumbed back noise suppression device still make their sound however its a lot quieter. Isnt it ironic when the technical term for a BOV and its function is the opposite? :P

Posted on: 2010/4/17 23:22
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PIGDOG
Re: BOV and alternatives
#7
No life (a.k.a. DattoMaster)
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2004/10/28 11:35
From Geelong, Vic
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yeah plumb back is the way to go, i got pretty sick of mine being so loud(both BOV of flutter) so will definately be finishing my plumb back setup on the wagon

Posted on: 2010/4/18 7:53
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Fenix_Longbow
Re: BOV and alternatives
#8
Home away from home
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PLUS!... now this IS a controversial topic...

If you vent to the atmosphere the ECU then thinks you have X amount of air and sends X amount of fuel to create the big bang but there is less air than there is supposed to be so every time you hit boost and change gear your engine will run a #OOPS#load richer just for that cycle, hence the reason why you see a "puff" of black smoke from a car that has an atmo BOV. Arguably this can lead to all sorts of problems...

But for the sake of the argument, if you plumb it back in AFTER the AFM (if you have one) than the correct amount of air is in the engine for the fuel.

Did that make sense? >.<

Posted on: 2010/4/18 8:19

Edited by Fenix_Longbow on 2010/4/18 8:38:54
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levey
Re: BOV and alternatives
#9
No life (a.k.a. DattoMaster)
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2008/1/20 11:52
From Perth WA AUS
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Yeah pretty much, I prefer a map sensor rather than a AFM.

Posted on: 2010/4/18 8:57
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Datsun 1200 2Dr sedan.
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lethal_john
Re: BOV and alternatives
#10
No life (a.k.a. DattoMaster)
Joined:
2007/8/23 12:05
From South east Qld, Australia
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Posts: 1021
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dont drive around like a nob

Posted on: 2010/4/18 11:48
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