Forced Induction Superchargers | Turbochargers | Intercoolers

2-step question

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Old Jul 28, 2007 | 01:15 PM
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Default 2-step question

i have a STS A4 been told a 2-step would help my 60 ft times. how does it work and do i need anything beyond the 2-step to make it work ????
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Old Jul 28, 2007 | 02:41 PM
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Their are 2 types of 2 step hard cut and soft cut

Soft cut: just cuts the ignition at a certain rpm causing allowing the motor to load up.

Hard cut: Not only does it cut ignition but it retards it almost 180* out so that it fires out the exhaust stroke and uses all the energy to spool the turbo. (kills turbines and bearings)

I believe Synergy is the only one who has a 2 step for the stock pcm now, unless Harlan has his 2 step up and running again.
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Old Jul 28, 2007 | 02:44 PM
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Here is an example of a hard cut 2 step on a supra

http://youtube.com/watch?v=HMslSPaWmPU

you can hear how long it takes to get the turbo spooling

http://youtube.com/watch?v=VakRJoGMU...elated&search=
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Old Jul 28, 2007 | 03:23 PM
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which version was the Harlan, soft or hard?
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Old Jul 28, 2007 | 03:59 PM
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his design was soft cut
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Old Jul 28, 2007 | 11:36 PM
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He ever get back to you about your "harlan 2 step," Frank? I asked him to call you....
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Old Jul 28, 2007 | 11:51 PM
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Nope, never got a call.

Hell Harlan, just send the broken one back. I work with a bunch of EE's. We can fix it

I absolutely loved that thing. Probably one of the best mods.

Last edited by SScam68; Jul 28, 2007 at 11:56 PM.
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Old Jul 29, 2007 | 12:03 AM
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Man add another one to my "list"

Hope he at least sends the broken one back....
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Old Jul 29, 2007 | 12:12 AM
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I was also interested in this.. It seems that is BAD for your motor and turbo?

I dont know about the motor, but I can see it being REALLY bad for the turbo...

How bad is the Soft Cut on the Turbo?
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Old Jul 29, 2007 | 12:16 AM
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the soft cut is not bad at all
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Old Jul 29, 2007 | 12:27 AM
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Sweet! I might need to look into getting one of those!
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Old Jul 30, 2007 | 01:18 PM
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would you guys prefer the 2-step on my sts A4 or a 50 shot of nitrous ???? i have a 3000 stall very tight converter
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Old Jul 30, 2007 | 01:24 PM
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i tried getting an answer in another thread about this how much will a hard cut 2 step shorten the bearing/turbo life?
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Old Jul 30, 2007 | 02:14 PM
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Originally Posted by ddnspider
i tried getting an answer in another thread about this how much will a hard cut 2 step shorten the bearing/turbo life?
I don't believe anyone make a hard-cut box for the ls1, you would need an AEM/XFI/BS3 to get a hard cut, as far as bearing life jose/dr. Turbo should be able to give you a more definite answer.
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Old Jul 30, 2007 | 02:27 PM
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if i remember correctly he said they never noticed anything failing earlier
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Old Jul 30, 2007 | 07:46 PM
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Originally Posted by smoke20
would you guys prefer the 2-step on my sts A4 or a 50 shot of nitrous ???? i have a 3000 stall very tight converter
I would do a 2 step first and if you don't improve the way you want just add a 50 shot
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Old Aug 3, 2007 | 11:51 PM
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Is there a 2 step for Manual guys?

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Old Aug 4, 2007 | 11:16 AM
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I believe the 2-steps work on both, I don't think they are different for a manual car.
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Old Aug 4, 2007 | 11:29 AM
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only how they are activated....on 99+ f bodys they wire to the clutch switch in the ecu in a 98 u either have to use a microswitch or a momentary.these are how they connect on a manual
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Old Aug 4, 2007 | 11:50 AM
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but they dont make em anyway right?
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