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Safety issues with N2o and a BOV

Started by DeVL · 26 Aug 2011 · 16 replies

Preserved from CalaisTurbo. Original authors and dates are shown; archived members are not current Holdcom accounts. View original archive ↗

DeVLArchived member
Hi guys ive just got a few questions about having a wet single point anti lag nitrous kit installed whilst using a BOV. My main concern is having any fuel being blown back through the BOV if i come off the throttle harshly because its mounted infront of the T/B were all the fuel and nos mixture gets injected. The kit is a ZEX anti lag kit it uses a TPS switch aswell as an adjustable pressure switch which allows you to use the nos upto say 3psi then it cuts out. Is it as simple as just mounting the BOV closer to the intercooler? If theres any other hints or tips you can think of please let me know. Cheers pete.
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fpvnrgArchived member
From my limited knowledge I wouldn't have thought any fuel is mixed anywhere near the T/B so I wouldn't assume there would be a problem? I may very well be wrong so don't quote me..
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PROGMHArchived member
If it is fire you're worried about, nitrous oxide isn't flammable.
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1815261Archived member
The NOS!!!!!!!!!!!!!!!!!..... BOOM (fast & the Furious) lol lol
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leb vltArchived member
^^ its not "NOS" its "NAAAWSS"
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DeVLArchived member
Its a single point wet (Fuel+nos) nitrous kit which means there is a jet that is tapped into the intercooler pipe right befor the throttle body were a mixture of fuel and nitrous is injected. I know that nos isnt flamable but it acts as an oxidizer which makes that aerosoled fuel+nos mixure just an explosion waiting to happen. The photo shows the injector you can sort of make out were the fuel and were the nos goes in its just a fuzzy picture. Some original photos have not been recovered yet.
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PROGMHArchived member
I see your problem...
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ADICTIVArchived member
can u plumb it straight onto the plenum? That would stop the chance of it coming back out the throttle body to the bov
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DeVLArchived member
I think the idea mounting it befor the throttle body is because the air flow is more violent around there allowing it to mix better, plus i think injecting directly in the plenum you run the risk of having the mixture not propperly mix and go down one cylinder.... I think ill just mount the BOV outside of the engine bay.
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SHERIFArchived member
Mate you have nothing to worry about, if it works on a TPS set to 100% open plus turns off at 3psi soon as you back off an it goes to 99% it should turn off p[lus it's directed to the throttle body and the engine even after you back of will still have vacum and suck the last little bit in..............
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[T]MattyArchived member
aim bov out grill, Will make for good night time entertainment.
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DeVLArchived member
Quote: Originally Posted by SHERIF [View Post] Mate you have nothing to worry about, if it works on a TPS set to 100% open plus turns off at 3psi soon as you back off an it goes to 99% it should turn off p[lus it's directed to the throttle body and the engine even after you back of will still have vacum and suck the last little bit in.............. That sounds right to me cheers.......All this nitrous stuff is still relitivly new to me.
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rb25vlt8Archived member
Just dnt run a bov ??? If it's a weekend warrior
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SteveArchived member
Quote: Originally Posted by rb25vlt8 [View Post] Just dnt run a bov ??? If it's a weekend warrior yeah but pete likes ppl to think he's a tosser Some original photos have not been recovered yet.
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VLWAGONITArchived member
are there other setup styles that inject straight into the plenum? (i havnt realy looked at nos setups) i suposed a plumb back bov wouldnt realy make things any safer?
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PROGMHArchived member
There's direct port nitrous injection...
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DeVLArchived member
yea there is direct port but its not needed for this aplication, the turbo should do the job. The car wont be a weekend warrior
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