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Pe Or Ae 808

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Old Aug 15, 2005 | 01:58 AM
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wake77's Avatar
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Pe Or Ae 808

Does anybody know in the australian 808 $5d software how to change power enrichment i have just got my lm-1 wideband and trying to sort it out i have found it as acceleration multiplier vs rpm in the later $12 software and am going to try changing to that i just couldn't find anything for the $5d .
Thanks for any information.

Ross
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Old Aug 15, 2005 | 06:02 AM
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From: Australia
The F60 table looks after the open loop A/F ratio while KAETPS: AE Delta TPS AE factor and KAEFUEL: AE Delta Fuel AE factor look after the "pump shot" aspect.
Adrian
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Old Aug 29, 2005 | 06:02 AM
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Adrian thanks for pointing me in the right direction but can you tell me what these figures actually do? and which way to change them
AETPS: AE Delta TPS AE factor
KAEFUEL: AE Delta Fuel AE factor
and i assume the DE factors are the same, i'm having problems in both areas when i touch the accelerator it spikes lean before it richens up. when slowing down and the DE should come in to play it actually gets richer unless the tps is low enough to go in to DFCO.

Thanks again
Ross
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Old Aug 29, 2005 | 09:27 AM
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From: In reality
Car: An Ol Buick
Engine: Vsick
Transmission: Janis Tranny Yank Converter
Originally posted by wake77
and i assume the DE factors are the same, i'm having problems in both areas when i touch the accelerator it spikes lean before it richens up. when slowing down and the DE should come in to play it actually gets richer unless the tps is low enough to go in to DFCO.
A lean spike can be AE or VE table related. Sometimes, at the lower pedal movements, it's hard to get the AE to ramp up as you might want it too. In that case you might want to slightly richen up the VE table in that area.

There will almost always be a slight rich spike, when you let the throttles *snap* shut. It takes an instant for the gas laying around in the plenum, and runners to vaporize, and then be consumed. If the lower end of the VE table is too rich, that will contribute to the problem.
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Old Aug 30, 2005 | 10:08 PM
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Thanks grumpy but what i wanted to know was what these figures actually do. i don't know if it's how much change of the tps or just any movement of the tps and if there a multiplication factor or just extra fuel. i just don't know how to adjust them.
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