So i have 350z coils on my s14a sr20det with ignitor deleted. 350z guys run 5.00 to 5.5 ms of dwell. How would i change that on nistune. I see the dwell time/duty table but i dont know what values to enter.
Here is what i found guys on PFC using for 5.00001 ms dwell time
IGN Dwell vs Time
Time = 166.6667 x angle ( / ) <-- that means divided by RPM
so here are my numbers for a 5.0001 ms dwell
RPM------------------Stock--------------modified for 5.0001 ms of dwell
10000 -----------------101----------------------------300
8000--------------------82-----------------------------240
4000--------------------43-----------------------------120
2000--------------------24------------------------------60
1000--------------------14------------------------------30
48------------------------9-------------------------(left alone)
Would i just enter the values on the right into the dwell time RAW table?
Dwell timing for 350z coils
Moderator: Matt
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Re: Dwell timing for 350z coils
Not sure if im doing this right but here is what i did i took the 350z dwell 5.0ms/stock sr20 dwell 1.9ms( Can someone verify this is correct)
comes to 2.63 than i multiplied the stock value and came up with this. Is this right?
comes to 2.63 than i multiplied the stock value and came up with this. Is this right?
Re: Dwell timing for 350z coils
I thought stock SR20 dwell was something around 4ms from memory. so it only needs about 10-20% increase in percentage to increase dwell time
There is also an estimated dwell parameter you can select (right click gauges) in some ECUs
There is also an estimated dwell parameter you can select (right click gauges) in some ECUs
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Re: Dwell timing for 350z coils
From what i searched i only saw 1.9ms.
Re: Dwell timing for 350z coils
Okay. Page 53
http://nistune.com/docs/Nistune_Mapping_Guide.pdf
Approx 3ms is what I measured on a number of ECUs
Also I scoped it another time back Aug 2016 for a customer to double check which was 3.5ms. See attachment
http://nistune.com/docs/Nistune_Mapping_Guide.pdf
Approx 3ms is what I measured on a number of ECUs
Also I scoped it another time back Aug 2016 for a customer to double check which was 3.5ms. See attachment
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Re: Dwell timing for 350z coils
Awesome that's some good info.
So going to 5ms from 3.5ms I would multiply current values by 1.42?
So going to 5ms from 3.5ms I would multiply current values by 1.42?
Re: Dwell timing for 350z coils
Seems about right. 3.5ms to 5ms you mean?
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Re: Dwell timing for 350z coils
Yes
Thanks
Thanks