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Old 12-10-2003, 02:07   #1 (permalink)
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advancing timing

ive posted a thread in the general section but i believe its become into more for the electrical gurus.

It was said that i could advance my ignition timing 10 degrees because i use a high octance fuel. One dude said by doin that i have advanced my injector timing 10 degrees as well. Does anyone know if the computer can handle the timing change and is it true about the injector timing changing as well.

By the way i advanced it by moving the distributer. The car does not ping and has gained significant performance.
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Old 12-10-2003, 05:36   #2 (permalink)
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Re: advancing timing

daza, if its an EB / ED / EL then yes, injector timing also becomes advanced, as the distributor provides the pip signal which the ecu uses to calculate advance and injector pulses.
However, injector timing wont really cause much of a performance difference on these models because the injectors are bank fired, they are not sequential, therefore on the cylinders that are not on induction stroke when the injectors are pulsed, the fuel is sprayed into the port and is only sucked into the combustion chamber the next time the inlet valve opens.
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Old 12-10-2003, 06:55   #3 (permalink)
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Re: advancing timing

I got a EA with a programable EMS 8860. I run 25 deg at idle, 45 deg at cruise, and high everywhere else and no problem with pinging. I do use ultimate and my fuel economy is brilliant. I cant tell exactly but last check pulling 1000kg trailer I got about 100km extra. Advancing 10 deg is fine. The injector timing issue is neither here or there.
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Old 12-10-2003, 11:44   #4 (permalink)
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Re: advancing timing

yeah its an ea..

and whats that trana you have advanced it 25 degrees and it still doesnt ping?
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Old 12-11-2003, 04:11   #5 (permalink)
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Re: advancing timing

I have programmed the EMS 8860 (which is a plug in programmable engine management system for for EA to ED) Falcs) and I have tuned it with 25 deg advance at idle and quite high advance thru out the rev range and it doesnt ping, but I also use BP ultimate fuel. The EA has a low compression and was tuned mildly from the factory. Advancing base timing to 20 deg should be OK if you use BP ultimate and should give some power and economy increase.
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Old 12-20-2003, 21:16   #6 (permalink)
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Re: advancing timing

what sort of a power figure increase would i be getting with the 10 degrese advancing in kw's?
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Old 12-21-2003, 01:07   #7 (permalink)
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Re: advancing timing

Timing generally wont give you too much of a power increase, but should improve the torque of the engine slightly
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