Hi/Lo Switch for Profec B Spec 2

Started by SmbFD3S, July 06, 2009, 12:19:42 PM

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SmbFD3S

July 06, 2009, 12:19:42 PM
Just found this on the t\'interweb and though some of you would/may find it useful :D
 
http://www.skylinesaustralia.com/forums/Switch-Profec-Spec-Ii-t209903.html
\'92 UK RX7 FD
\'97 Kwak ZX6R currently at Stage 3
\'86 Honda CRM250R stroker
\'11 BMW 320d ED
 
 

Prof

#1
July 06, 2009, 12:54:32 PM
The only thing that really bugs me about the Spec 2 is that the remote input toggles between the 2 modes.
 
It would have been so much more useful if you could select Hi or Lo specifically, for instance if you are running WI and run dry, you can force the boost controller into Lo mode.
 
Never mind...
 
Excellent find by the way :Thumbs-up
"Plus this engine is probably one of the most volumetric engines going! It passes more air than a herd of cows eating vindaloo\'s" - courtesy of AtomicRex

hairyhoover

#2
July 06, 2009, 07:30:42 PM
cant you just cut the live to the boost controller using a relay? would this drop the boost to wg pressure?
 
ps good find scott!

Prof

#3
July 06, 2009, 07:38:58 PM
Quote from: hairyhoover;623561cant you just cut the live to the boost controller using a relay? would this drop the boost to wg pressure?
 
ps good find scott!

That\'s the idea I\'ve come up with - as my wastegate spring will still let it run between 7 and 9 psi depending on load.
"Plus this engine is probably one of the most volumetric engines going! It passes more air than a herd of cows eating vindaloo\'s" - courtesy of AtomicRex

hairyhoover

#4
July 06, 2009, 08:35:57 PM
Im going to use the dd3s it cuts power to the boost controller when theres a low level and also when the flow drops below a certain amount.
 
Looks great!
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