ignition map

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SeanC
Posts: 367
Joined: Mon Mar 20, 2006 2:35 pm
Car: 1993 240sx SE

Post

ok this is the ignition map i made 280whp on. i left a little to much head room in there i do not think i go over 100tp so i can add some resolution to the top. if someone could give me some pointers it would be much appreciated!



NateDogg
Posts: 811
Joined: Sat Aug 24, 2002 2:20 pm

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Its hard to comment since we dont really know where 0 vac is or any pressures.

If it helps, I have 0 vac at 54 TP and 10psi at 108 TP (290whp).

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turbo2nr
Posts: 1810
Joined: Wed Sep 28, 2005 3:53 pm
Car: 97 240sx (kouki)

Post

well how much boost are you running?

also i would start base timing at 20degrees and then keep adding about 2 degrees for every 700 rpms. untill i get to 45, then back off to around 37 degrees around redline..

under boost it depends how much boost your are running. the general rule of thumb is .75degree per 1psi. if you wana get a little more power keep it a little more advace but you run risk of detnation.

your curve looks fine to me id hope for one similar to yours..

to add i might take away a little time around 33%/5200rpms, just to me a little more safe. then again i dont know what turbo you are running and how much psi you make at that point..

what i would do is try to log each of these case, i know its time comsuming but it may be worth it.eg. 59%/1200rpm,59%1600,59%/2000 ect. and see what boost you are at, and then caculate how much timing to pull from base.

i dont know it makes sence to me..

SeanC
Posts: 367
Joined: Mon Mar 20, 2006 2:35 pm
Car: 1993 240sx SE

Post

i am running 13 psi. btw i would love to have logged every dyno run, but bikirom is screwing up yet again.


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