C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Accel Dual Sync

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Old Oct 24, 2007 | 04:47 PM
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Default Accel Dual Sync

Has anyone installed an Accel Dual Sync in their LTx based engine? Can you still control timing through your DFI or do you twist and re-spring like the days of old? (yeah, you old timers will remember jets and springs!!) Hate to go backwards but the opti is just too much of a pita.
CT
PS- is there anyway to run an LTCC with a dual sync? Hate to give up coil on plug if I dont have to.
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Old Oct 25, 2007 | 10:05 AM
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I've got one on my car, Chris(LCVette) has one on his car as well. They work well. You go into the DFI and freeze the timing at a set value and then adjust your dizzy until you match that with your timing light. Once you have decided the dizzy and the computer are on the same mark then you tighten down the dizzy and unclick the freeze timing in the DFI and you are good to go. Its all controlled by the computer after that.

Oh yeah, this dist allows you to run full sequential injection.

The dizzy has the cam and crank sensors in side of it, those talk to the computer and then the computer sends out a single pulse that tells the coil to fire.

If the LTCC can take a single input and determine which cylinder to fire. If it needs more than a single signal, such as a direct interface to the sensors, then probably not.

Last edited by mn_vette; Oct 25, 2007 at 11:21 AM.
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Old Oct 25, 2007 | 02:21 PM
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MN-Vette, thanks. That puts my mind to rest.
CT
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Old Oct 25, 2007 | 05:08 PM
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Originally Posted by mn_vette
I've got one on my car, Chris(LCVette) has one on his car as well. They work well. You go into the DFI and freeze the timing at a set value and then adjust your dizzy until you match that with your timing light. Once you have decided the dizzy and the computer are on the same mark then you tighten down the dizzy and unclick the freeze timing in the DFI and you are good to go. Its all controlled by the computer after that.

Oh yeah, this dist allows you to run full sequential injection.

The dizzy has the cam and crank sensors in side of it, those talk to the computer and then the computer sends out a single pulse that tells the coil to fire.

If the LTCC can take a single input and determine which cylinder to fire. If it needs more than a single signal, such as a direct interface to the sensors, then probably not.
Yep
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Old Oct 30, 2007 | 12:00 PM
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Originally Posted by TONYDEE64
Yep
Tony,

So what your saying is the LTCC will run on the sync signal?

Could you not at that point just run a distributor plug with a cam sync sensor in it?

Thanks,
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