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Old 09-21-2016, 02:06 PM   #2
steveo3318
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Join Date: Apr 2014
Location: Sumrall, MS
Posts: 381
Re: FITECH EFI 600 Basic and Command center intall with pics, factory tank

No no no. I have a seperate vacuum gauge on my truck. Vacuum is the easiest way to tell how much fuel you are using. Your vacuum reacts instantly to your throttle. The more vacuum your pulling the less fuel your burning and more fuel you are saving. It's an old school way to know how your engine is performing and fuel consumption. Go here and it will explain their afr
http://fitechefi.com/faq/afr-targets/
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1967 c10 3OTT with R10 overdrive.
385 Stroker, 373 posi
FITECH EFI, Vintage air, York 210 OBA,
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