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 Post subject: Z32 Auto Control
PostPosted: Mon Jun 08, 2015 12:22 pm 
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Joined: Tue Jun 02, 2015 11:44 am
Posts: 7
Hi all, I am still considering my NOS options and whether to invest or not, Trevor has kindly provided me with a cost, however, I cannot stretch to a controller , so my question is , my car is a twin turbo Auto, should I use a WOT switch ( this concerns me as being an auto it will change up and down at will, and in theory I could go WOT off the line and from tickover, or should I use boost pressure to control when it kicks in, currently the meth systems are configure to activate at 14 PSI, Or should I do away with automatically bringing it in at WOT and just have a push switch mounted to be pressed when I want to inject Nitrous but still use the pressure controller to ensure that it can never come in at less than full boost ??

Thanks

And confused

Sayers


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 Post subject: Re: Z32 Auto Control
PostPosted: Mon Jun 08, 2015 9:52 pm 
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Joined: Thu Apr 19, 2007 7:45 pm
Posts: 3963
Location: Bucks
Sayers wrote:
Hi all, I am still considering my NOS options and whether to invest or not, Trevor has kindly provided me with a cost, however, I cannot stretch to a controller , so my question is , my car is a twin turbo Auto, should I use a WOT switch ( this concerns me as being an auto it will change up and down at will, and in theory I could go WOT off the line and from tickover, or should I use boost pressure to control when it kicks in, currently the meth systems are configure to activate at 14 PSI, Or should I do away with automatically bringing it in at WOT and just have a push switch mounted to be pressed when I want to inject Nitrous but still use the pressure controller to ensure that it can never come in at less than full boost ??

Thanks

And confused

Sayers



You have sort of answered your own question Z32.

You have the meth set to come in at 14psi. But 14 psi could happen very quickly depending on the load the engine see's off the line regarding traction / engine load mainly. I would prefer to set the nitrous activation on your setup via an rpm switch. You should use a WOT switch to primarily arm the nitrous
but have the final rpm switch to activate it I think.

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1975 MGB Rover V8 aka Slim Rabbit 9.62 @ 137.37 mph with 175 shot.
9.59 here I come !!!!


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 Post subject: Re: Z32 Auto Control
PostPosted: Tue Jun 09, 2015 3:06 pm 
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Joined: Thu Feb 03, 2005 6:07 pm
Posts: 18701
Location: Doncaster
Sayers wrote:
Hi all, I am still considering my NOS options and whether to invest or not, Trevor has kindly provided me with a cost, however, I cannot stretch to a controller ,
Have I given you the reduced cost option of some used/serviced parts and/or have you considered a Minimax as that's a good deal cheaper than a Max?

so my question is , my car is a twin turbo Auto, should I use a WOT switch ( this concerns me as being an auto it will change up and down at will, and in theory I could go WOT off the line and from tickover,
Which is EXACTLY the way I used to launch/race my auto V8 Rover and EXACTLY the BEST way to use it, assuming you have adequate traction.

or should I use boost pressure to control when it kicks in, currently the meth systems are configure to activate at 14 PSI, Or should I do away with automatically bringing it in at WOT and just have a push switch mounted to be pressed when I want to inject Nitrous but still use the pressure controller to ensure that it can never come in at less than full boost ??
If you want to accelerate at the quickest rate and your car/tires can handle the power, ideally you want the nitrous to come in when boost is at it's lowest, as that will kick the turbo on to boost and produce quicker acceleration.
There is NO problem with using nitrous at low rpm and low boost, as long as the car can freely accelerate.



Thanks

And confused

Sayers

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Trev (The WIZARD of NOS)

30 years of nitrous experience and counting!!!!


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