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post #1 of 2 (permalink) Old 07-01-04, 03:34 AM Thread Starter
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Shannon.....closed loop?

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post #2 of 2 (permalink) Old 07-01-04, 04:01 AM
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Re: Shannon.....closed loop?

The patented HALTECH system of programming virtually eliminates the input of numbers. You simply manipulate bar graphs by pressing arrows keys on the attached PC running Haltech Programming software. Manipulating the bars allows you to increase or decrease the amount of fuel delivered or ignition advance at that particular RPM and load point. The process is repeated for all load points in each rpm range.

This means both fuel delivery and ignition timing can be precisely mapped through the RPM ranges so that the exact fuel delivery and ignition timing required to obtain optimum performance is applied in every RPM and load range.

You may also want to consider a 4 Wire oxygen sensor if you intend to run a closed loop setup. The factory 1,2 or 3-wire O2 sensors are compatible with the Haltech, but not as accurate as the Haltech 4-wire sensor. A fresh O2 sensor can make tuning more predictable, especially when coupled with the Haltuner.
wide band sensors are availiable for the ford eec, thus giving the same options as the haltec. you also have five selectable states of tune in which they can all have different fuel, spark, speed/rev limit settings, closed loop on/off, and can be changed from one setting to another while on the go, by the twist of a switch. and you are also have the ability to tune in real time aswell with twEECer.

in slot number one there it can also be set up as a sercurity setting, getting some work done on you car and dont want the risk of them hammering it, you can set up a retarded spark curve with a low rev limiter say 3.5k-4k, remove the switch and go away, and the twEECer will run these retarded settings as defult. havn't seen or heard of any other aftermarket comps with this abillity.

hope this helps your argument a little bit.

for a little bit more info on the abilities of the twEECer from many other uses you can enter the twEECer forums for more opinions, heres the link

std stroke, alloy heads, comp cam, tfs manifold, 75mm t/b, 70mm maf, 30lb inj, adj fuel press reg, twEECer
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