OinkAodeOink
Founding Member
--Couple definitions--
-Base Altitude Spark / Base Spark Table= A higher number increases ignition advance and a lower number decreases ignition advance. Base and Altitude spark tables are used based on barometric presure. Berometric presure above 26in/hg and the EEC will use the Base Spark Table while a barometric pressure below 26in/hg will use the Altitude Spark Table.
-Global Spark Adder= This scaler function allows ignition timing to be adjusted. Increasing this value above 0 advances ignition timing by adding an aditional amount of timing to the spark table values. This is the same function as if you were to turn the distributor to advance the timing. These values can also be in the negitive to decrease timing.
Example: Global spark adder= 2 , this would give you 12* base timing( if the distributors at 10*)
Global spark adder= -2 , this would give you 8* base timing( distributor at 10* base)
*All the EEC calculations are based off of 10* base timing*
PIP / PIP Filter= Lower number gives a higher Rev limit.
PIP= 6006250/maxRPM
maxRPM= 6006250/PIP
PIP= 961 max RPM= 6006250/961= 6250
PIP is a sample rate frequency that limits the PCM program operating loop to a minimum rate. If the loop is sampled less then PIP times within one operating cycle( 2 crankshaft revolutions), the PCM limits RPM
( and thats how you come up with an effective rev limiter)
-WOT Fuel Multiplier vs. RPM= This is an open loop fuel adder. Increase value over 1 to lower injector pulsewidth( less fuel) and decrease the number under 1 to increase the injector pulse width( more fuel) during open loop. Now, if these are untouched, you might find there are no RPM values on the X axis. Simply input the RPM values and corasponding fuel multiplier values below (Y axis) You can change the RPM value to add or remove fuel at any specific RPM.
-Lambse= is what the EEC is targeting as air fuel ratio at anyone instant. If it is targeting 15.7 that means your running rich at that instant, so it tries to lean it out by targeting a value higher than 14.7.
-Kamrf= is a long term correction. If it sees at a particular condition it is always running rich or lean it will start correcting it with Kamrf. It is more of a fuel multiplier than a target. If it is running rich at a certain condition the Kamrf will be less than one. (normal fuel times number less than 1 = less fuel).
-Injector breakpoint= Injector breakpoint is the point at which the eec goes from the high to the low slope.
The units are pound mass of fuel per injection. The injector breakpoint is an adder for the final fuel calculation to
account for the non-linearity of the injectors, especially at small pulse-widths. It is a time-based adder, so it adds less as the PW gets larger. The breakpoint is used on the dominate slope at idle ( can be low slope or highslope) if your PW at idle is below 2MS, low slope is used, if your PW is above 2MS then the high slope is used.
Low slope and injector breakpoint are open loop fuel adder's below a pulse width of 4MS. Low slope is used from 2MS and below and the Injector breakpoint is used from 2MS to approximatly 4MS.The Low slope isn't related to Injector breakpoint in any way.
--Some basics--
--Eliminating speed limiters--
(entering 16383 for all values effectivly turns off speed limiters)
- Speed limit stage 1 off = 16383
- Speed limit stage 1 on = 16383
- Speed limit stage 2 off = 16383
- Speed limit stage 2 on = 16383
- Speed limit stage 3 = 16383
--Raising rev limits--
( pretty obvious what this does, taylor to your needs, but remember to always set the "on" value higher then the "off" value)
- Rev limit 0 off = 6300
- Rev limit 0 on = 6400
- Rev limit neutral 0 off = 6300
- Rev limit neutral 0 on = 6400
--Longtube header settings--
( if youre running longtubes, you might have ran into some problems with the O2's going cold, or taking a while to heat up to temp, these settings should keep everything happy)
:Tables:
Exhuast Pulse Delay
R P M
900 1300 1500
.075 - 24 24 24 24
L .06- 24 24 24 24
O .05 - 20 20 20 20
A .04 - 20 20 20 20
D .03 - 20 20 20 20
.02 - 20 20 20 20
.01 - 20 20 20 20
.005 - 20 20 20 20
--How to calculate Throttle presure(TP) from an AD count--
( typically in your settings that involve TP, TP is not displayed in volts.. Insted its displayed in an AD count, for example 100, 252, 332, 600, and WOT would be 1020( 5 volts). So to find out the TP voltage at that AD count, use the formula below) The AD # at idle is right around 200 (.98 volts) AD # around a 1500rpm cruise speed would be
310.
To convert the Throttle position AD count ( throttle position in AD counts) to throttle position volts divide the TP number by 1020 then multiply by 5 like this..
Examples: 1020/1020*5 = 5v
640/1020*5 = 3.137v
--How does the Switch work? Which tune and im running on on which setting?--
Full CounterClockwise
A - tune 1 (Switch points near dimple on the case)
B - tune 2
C - tune 3
D - tune 4
E - Tweecer OFF (stock calibration)
Full Clockwise
-Base Altitude Spark / Base Spark Table= A higher number increases ignition advance and a lower number decreases ignition advance. Base and Altitude spark tables are used based on barometric presure. Berometric presure above 26in/hg and the EEC will use the Base Spark Table while a barometric pressure below 26in/hg will use the Altitude Spark Table.
-Global Spark Adder= This scaler function allows ignition timing to be adjusted. Increasing this value above 0 advances ignition timing by adding an aditional amount of timing to the spark table values. This is the same function as if you were to turn the distributor to advance the timing. These values can also be in the negitive to decrease timing.
Example: Global spark adder= 2 , this would give you 12* base timing( if the distributors at 10*)
Global spark adder= -2 , this would give you 8* base timing( distributor at 10* base)
*All the EEC calculations are based off of 10* base timing*
PIP / PIP Filter= Lower number gives a higher Rev limit.
PIP= 6006250/maxRPM
maxRPM= 6006250/PIP
PIP= 961 max RPM= 6006250/961= 6250
PIP is a sample rate frequency that limits the PCM program operating loop to a minimum rate. If the loop is sampled less then PIP times within one operating cycle( 2 crankshaft revolutions), the PCM limits RPM
( and thats how you come up with an effective rev limiter)
-WOT Fuel Multiplier vs. RPM= This is an open loop fuel adder. Increase value over 1 to lower injector pulsewidth( less fuel) and decrease the number under 1 to increase the injector pulse width( more fuel) during open loop. Now, if these are untouched, you might find there are no RPM values on the X axis. Simply input the RPM values and corasponding fuel multiplier values below (Y axis) You can change the RPM value to add or remove fuel at any specific RPM.
-Lambse= is what the EEC is targeting as air fuel ratio at anyone instant. If it is targeting 15.7 that means your running rich at that instant, so it tries to lean it out by targeting a value higher than 14.7.
-Kamrf= is a long term correction. If it sees at a particular condition it is always running rich or lean it will start correcting it with Kamrf. It is more of a fuel multiplier than a target. If it is running rich at a certain condition the Kamrf will be less than one. (normal fuel times number less than 1 = less fuel).
-Injector breakpoint= Injector breakpoint is the point at which the eec goes from the high to the low slope.
The units are pound mass of fuel per injection. The injector breakpoint is an adder for the final fuel calculation to
account for the non-linearity of the injectors, especially at small pulse-widths. It is a time-based adder, so it adds less as the PW gets larger. The breakpoint is used on the dominate slope at idle ( can be low slope or highslope) if your PW at idle is below 2MS, low slope is used, if your PW is above 2MS then the high slope is used.
Low slope and injector breakpoint are open loop fuel adder's below a pulse width of 4MS. Low slope is used from 2MS and below and the Injector breakpoint is used from 2MS to approximatly 4MS.The Low slope isn't related to Injector breakpoint in any way.
--Some basics--
--Eliminating speed limiters--
(entering 16383 for all values effectivly turns off speed limiters)
- Speed limit stage 1 off = 16383
- Speed limit stage 1 on = 16383
- Speed limit stage 2 off = 16383
- Speed limit stage 2 on = 16383
- Speed limit stage 3 = 16383
--Raising rev limits--
( pretty obvious what this does, taylor to your needs, but remember to always set the "on" value higher then the "off" value)
- Rev limit 0 off = 6300
- Rev limit 0 on = 6400
- Rev limit neutral 0 off = 6300
- Rev limit neutral 0 on = 6400
--Longtube header settings--
( if youre running longtubes, you might have ran into some problems with the O2's going cold, or taking a while to heat up to temp, these settings should keep everything happy)
:Tables:
Exhuast Pulse Delay
R P M
900 1300 1500
.075 - 24 24 24 24
L .06- 24 24 24 24
O .05 - 20 20 20 20
A .04 - 20 20 20 20
D .03 - 20 20 20 20
.02 - 20 20 20 20
.01 - 20 20 20 20
.005 - 20 20 20 20
--How to calculate Throttle presure(TP) from an AD count--
( typically in your settings that involve TP, TP is not displayed in volts.. Insted its displayed in an AD count, for example 100, 252, 332, 600, and WOT would be 1020( 5 volts). So to find out the TP voltage at that AD count, use the formula below) The AD # at idle is right around 200 (.98 volts) AD # around a 1500rpm cruise speed would be
310.
To convert the Throttle position AD count ( throttle position in AD counts) to throttle position volts divide the TP number by 1020 then multiply by 5 like this..
Examples: 1020/1020*5 = 5v
640/1020*5 = 3.137v
--How does the Switch work? Which tune and im running on on which setting?--
Full CounterClockwise
A - tune 1 (Switch points near dimple on the case)
B - tune 2
C - tune 3
D - tune 4
E - Tweecer OFF (stock calibration)
Full Clockwise
Cant stand it...Doesnt give me a "true' measure of my stats when Im running those Vipers!
