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#20
06-12-2009, 07:40 AM
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Re: 70 L78 Camaro - Dialing in more originality
Been learning a bit about TCS (Transmission Controlled Spark) with my '70 Nova recently and basically it does not allow vacuum advance of timing in low gears: 1st & 2nd for TH400 and 4 speeds. It is an emissions reducer.
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Sam...  
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