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Thread: Timing control yes/no ??
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08-05-2018 #1
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There are many, any of the GM systems that drive a DIS or distributor. These include systems offered by Howell, Dynamic EFI, and Affordable fuel injection (AFI). The mega/micro Squirt systems, and the user tuneable FAST systems.
I am sure that there are others, just don't have the time to research it.
Bob.
{edit: did discover that the Haltech GM systems also require a computer controlled distributor.}
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08-05-2018 #2
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I looked these up briefly. None of them offer a built in wideband O2 sensor. Why would anyone buy these?
Originally Posted by a67
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08-05-2018 #3
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Cost? Originally Posted by andrewb70
The FAST systems do. Besides, getting the fueling in line is easy. And if the system is always learning from the WB, what happens when the controller or sensor goes bad?
I could ask the same question about fuel only EFI systems. Why buy one when spark timing is more important?
The difficult part is getting the spark timing correct. Not only at WOT, but for street driven vehicles it is important for drive-ability.
Bob.
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