TPI timing
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Joined: Jul 2010
Posts: 305
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From: NJ
Car: 87 GTA flame red
Engine: 5.7 l98 cranes 2032 and chip
Transmission: stage 10 700r4
Axle/Gears: 3.27 axle
TPI timing
I have a L98 and this may be a stupid question but what keeps my fuel injectors in time with my engine and what would happen if they fell out of timing
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Joined: Jul 2009
Posts: 2,328
Likes: 10
From: Kitchener, ON
Car: 1988 GTA
Engine: LB9
Transmission: T5
Axle/Gears: 3.45
Re: TPI timing
TPI does not time the injector pulse with the opening of the intake valve such as SFI does. In fact, all of the injectors on the right bank batch fire, same on the left. There are times when the injector pulses just as the intake valve closes.
If your question is about fuel timing, the answer is - there isn't any. The only variable is how long the injector is open vs. how long it's closed per pulse.
If your question is about fuel timing, the answer is - there isn't any. The only variable is how long the injector is open vs. how long it's closed per pulse.
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