albertz
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| posted on 2/2/06 at 02:04 PM |
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Calling all 4AGE experts.....
Can someone tell me if my phase 3 4AGE is likely to be VAST (Variable Advance Spark Timing) or ESA (Electronic Spark Advance) controlled?
If its not possible to say one way or the other, is there anything obvious under the bonnet that i could check to verify?
Showing my complete ignorance to electrical/electronic issues here 
[Edited on 2/2/06 by albertz]
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Prez
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| posted on 2/2/06 at 03:08 PM |
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Albertz
Having got no where near electronics on my engine yet, I am not in the best position to advise, however a quick google search yielded this:
http://www.autoshop101.com/forms/h23.pdf
Hope it helps
Prez
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albertz
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| posted on 2/2/06 at 03:58 PM |
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Prez,
Thanks, funnily enough i read that entire document about 10 minutes before posting my question....
I couldn't work out if my engine was VAST or ESA from that, but there is a very good chance that my lack of knowledge stoppd me from reading
what i needed to read - if you get my drift?
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Rob Lane
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| posted on 2/2/06 at 05:24 PM |
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Andrew,
I've sent you a PM.
The phase 3 as fitted to Corolla Gti late models usually used ESA. The difference is in the wiring of the NE signal from the dizzy. The VAST system
has this wired direct to the Ignitor and then a return signal to ECU for timing.
Rob
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dozracing
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| posted on 2/2/06 at 09:16 PM |
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Call Raw Engineeringand they'll tell you all you need to know.
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