anyone knows of some sort of electronic device that cut boost after reaching a preset amount ?
02-06-2002, 08:53 PM
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anyone knows of some sort of electronic device that cut boost after reaching a preset amount ?
sorta like a prevention to boost spiking?
so let's say I set it at 9 psi if it ever spike that high, it'll automatically open the wategate to dump exhaust gas out ...
so let's say I set it at 9 psi if it ever spike that high, it'll automatically open the wategate to dump exhaust gas out ...
02-06-2002, 09:00 PM
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Re: anyone knows of some sort of electronic device that cut boost after reaching a preset amount ? (
Hondata 
It has a boost cut circuit which will cut power if a certain boost pressure is exceeded. It is user definable.
[Modified by VaporTrail, 1:01 AM 2/7/2002]
It has a boost cut circuit which will cut power if a certain boost pressure is exceeded. It is user definable.
[Modified by VaporTrail, 1:01 AM 2/7/2002]
02-06-2002, 09:02 PM
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Re: anyone knows of some sort of electronic device that cut boost after reaching a preset amount ? (
I was just gonna say Hondata but it looks like John beat me to it
02-06-2002, 09:16 PM
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Re: anyone knows of some sort of electronic device that cut boost after reaching a preset amount ? (
hmm, is this available on any stage with boost option ?
02-06-2002, 09:28 PM
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Re: anyone knows of some sort of electronic device that cut boost after reaching a preset amount ? (
I thought the Apexi AFC-R is also able to prevent boost spiking?
02-06-2002, 09:32 PM
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Re: anyone knows of some sort of electronic device that cut boost after reaching a preset amount ? (
The AVC-R can control boost, but if the wastegate or some other issue is causing boost to spike it can't control it. Hondata just cuts fuel when it senses too much boost...
Dustin
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02-06-2002, 09:35 PM
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Re: anyone knows of some sort of electronic device that cut boost after reaching a preset amount ? (
Hondata just cuts fuel when it senses too much boost...
Dustin
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02-06-2002, 09:47 PM
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Re: anyone knows of some sort of electronic device that cut boost after reaching a preset amount ? (
Injecting zero fuel doesn't hurt anything. You get no combustion.. that's what you want.
Dustin
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02-06-2002, 10:25 PM
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Re: anyone knows of some sort of electronic device that cut boost after reaching a preset amount ? (
It's not electronic, but that's what a pop-off valve is for, to prevent boost spikes.
02-07-2002, 02:52 AM
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Re: anyone knows of some sort of electronic device that cut boost after reaching a preset amount ? (
Yeah, I run one .......You need two things: a msd softtouch rev limiter (or 6 series ignition with this built in), and either a gauge w/ a warning light (and output at warning....like the Greddy gauge) or a pressure switch.
What you do is have the gauge or switch hit a relay that switches between the msd running through the rpm pill or running strait (no resistor).
This method has been working great for me. In addition I will soon be adding a NOS fuel pressure safety switch so I can't pressure drop out on me.
If you want more info on this and wiring schematicpoo poo me up.
.......You need two things: a msd softtouch rev limiter (or 6 series ignition with this built in), and either a gauge w/ a warning light (and output at warning....like the Greddy gauge) or a pressure switch.What you do is have the gauge or switch hit a relay that switches between the msd running through the rpm pill or running strait (no resistor).
This method has been working great for me. In addition I will soon be adding a NOS fuel pressure safety switch so I can't pressure drop out on me.
If you want more info on this and wiring schematicpoo poo me up.
02-07-2002, 03:12 AM
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Re: anyone knows of some sort of electronic device that cut boost after reaching a preset amount ? (
Injecting zero fuel doesn't hurt anything. You get no combustion.. that's what you want.
Dustin
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02-07-2002, 05:20 AM
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Re: anyone knows of some sort of electronic device that cut boost after reaching a preset amount ? (
Hondata
It has a boost cut circuit which will cut power if a certain boost pressure is exceeded. It is user definable.
It has a boost cut circuit which will cut power if a certain boost pressure is exceeded. It is user definable.
02-07-2002, 07:51 AM
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Re: anyone knows of some sort of electronic device that cut boost after reaching a preset amount ? (
blitz dual sbc will reduce boost by x when your preset limit is reached..
02-07-2002, 07:57 AM
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Re: anyone knows of some sort of electronic device that cut boost after reaching a preset amount ? (
Hondata
It has a boost cut circuit which will cut power if a certain boost pressure is exceeded. It is user definable.
Damn do I want Hondata..
It has a boost cut circuit which will cut power if a certain boost pressure is exceeded. It is user definable.
Damn do I want Hondata..
02-07-2002, 08:03 AM
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Re: anyone knows of some sort of electronic device that cut boost after reaching a preset amount ? (
blitz dual sbc will reduce boost by x when your preset limit is reached..
Dustin
02-07-2002, 09:58 AM
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Re: anyone knows of some sort of electronic device that cut boost after reaching a preset amount ? (
zdyne has one too! i just make that area super rich and no timing! instant boost cut lol 
02-07-2002, 10:17 AM
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Re: anyone knows of some sort of electronic device that cut boost after reaching a preset amount ? (
I just let mine spike away.. which it has only done once or twice when my wastegate was hooked up worng... It was moving REALLY fast at 15-18 PSI 
Glad my motor's built!
Glad my motor's built!
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