

Peak & Hold 8A/2A Injector Driver
FuelTech’s Peak & Hold 8A/2A Injector Driver is a 4-channel low impedance driver unit that controls up to 4 injectors with impedance below 1.5 ohm. Designed for use with low impedance fuel injectors. Mounting kit included.
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Current control driver for low impedance injectors
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4 channels
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Available in three current versions:
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8A/2A (Currently Viewing)
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4A/1A
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2A/0.5A
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Technical Description
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Peak and Hold 8A/2A (Currently Viewing)
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Controls up to 4 injectors with impedance below 1.5 ohm
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4 FT Injectors (1 per channel)
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16 Bosch 160lb/h (1600cc) injectors (4 per channel)
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8 Siemens low impedance injectors (2 per channel)
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4 MSD low impedance injectors (2 per channel) (with 2 ohms impedance per injector)
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Peak and Hold 4A/1A
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Controls up to 4 injectors with 1.5 to 3 ohms of impedance
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8 Bosch 160lb/h (1600cc) injectors (2 per channel)
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4 Siemens 83lb/h injectors
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4 MSD injectors (with 2 ohms impedance per injector)
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Peak and Hold 2A/0.5A
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Controls up to 4 injectors with 3 to 7 ohms of impedance
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4 Bosch 160lb/h (1600cc) injectors
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Dimensions: 115 x 90 x 33mm
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To determine which Peak & Hold you need:
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Grab a multi-meter and select Ohms 200
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Touch the positive and negative leads of multi-meter together to measure resistance (record this number...i.e. measured 0.3)
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Then take the positive and negative leads from multi-meter and put on each terminal of the injector. Doesn't matter the order. Record this measurement
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Take the ohms measurement from Step 3 and then subtract the number you got in Step 2 (i.e. Step 3 4.8ohms - Step 2 0.3ohms = Total 4.5ohms)
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High Impedance Injectors – Above 7 ohms – No Peak and Hold Boxes are needed
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Peak and Hold 2A – 3 ohms to 7 ohms (Bosch 160lb/hr)
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Peak and Hold 4A – Below 3 ohms to 1.5 ohms
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Peak and Hold 8A – Below 1.5 ohms (FT Injector, Billet Atomizer*)
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All low impedance Billet Atomizer Injectors manufactured after Nov. 2012 require 8A regardless of measured resistance
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Billet Atomizer Injectors – Anything prior to serial # C300*** should only use the 4A/1A. This only applies to injectors manufactured prior to Nov. 2012*
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Contents of Packaging:
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1 Peak and Hold 8A/2A
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1 Operation and installation guide
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1 mounting kit (4 rubber mounts, 4 washers and 4 ¼” nuts)
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6ft Peak and Hold unterminated harness (optional)
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1 FuelTech black carbon fiber sticker
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