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MAF to SD tune, using HP tuners, what do i need to change?

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Old 05-01-2009, 09:31 AM
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Default MAF to SD tune, using HP tuners, what do i need to change?

I read through the FAQ and didnt see anything bout this, so i thought i would ask.

first my setup:
96 240sx with a 408 LQ9 / t-56
ecu is from a LS1 auto, that has been reflashed.
currently making 416hp/449tq on a pump gas tune using HP tuners

I am looking to switch over to a speed density tune and add some n2o

other then buying the 2 credits (also going RTP) and unplugging he MAF, can someone tell me what else has to be done?
i looked the HP tuners site, but it is kind of confusing

thanks in advance for the help.
kelly
Old 05-01-2009, 10:33 AM
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I'm gonna need this info also.
Old 05-01-2009, 11:04 AM
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Are you going to a two bar OS? You don't need a custom OS for 1 bar speed density.
Old 05-01-2009, 12:44 PM
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You don't need one for SD alone but you will for RTT. Technically all you need to do is unplug the MAF to get into SD mode, but to do a proper tune you need to copy your high octane timing table to your low octane table, and tune the VE table.
Old 05-01-2009, 01:49 PM
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RTT comes in 1bar SD and MAF flavors.
Old 05-01-2009, 03:16 PM
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Just stating that it still requires a custom OS, whichever way you decide to go with it.
Old 05-04-2009, 09:59 AM
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Originally Posted by Steel Chicken
Are you going to a two bar OS? You don't need a custom OS for 1 bar speed density.
I will be going with a standard 1 bar map for now

Originally Posted by Steel Chicken
RTT comes in 1bar SD and MAF flavors.
i want the 1 bar SD.

Originally Posted by NSSANE02
You don't need one for SD alone but you will for RTT. Technically all you need to do is unplug the MAF to get into SD mode, but to do a proper tune you need to copy your high octane timing table to your low octane table, and tune the VE table.
so i can just unplug my MAF, which will put my in SD mode.
Pay for the RTT SD 1 bar and start tuning?
im not worried about the actual tuning, the guy that tunes my car knows all that
Old 05-04-2009, 11:30 AM
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Fail your maf, Make your high octane and low octane tables the same



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