{"product_id":"classic-instruments-sn74z-speed-signal-interface","title":"Classic Instruments SN74Z Speed Signal Interface","description":"\u003cp\u003e\u003cspan\u003eSpeed Signal Interface (Converts VSS\/ECM speed signals to either 8k or 16k PPM)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe SN74Z has the following features when used as a\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eSpeedometer interface\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eInput Source Options\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThree wire pulse signal generator input source\u003c\/li\u003e\n\u003cli\u003eBuilt-in Vehicle Speed Sensor (VSS) input source\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMost Tremec transmissions\u003c\/p\u003e\n\u003cp\u003eLater model 700R4’s         \u003c\/p\u003e\n\u003cp\u003eTypically a sine wave signal\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo wire pulse signal generator input source\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eClassic Instruments SN96 or SN95\u003c\/p\u003e\n\u003cp\u003eTypically a sine wave signal\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne wire ECM signals input source\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTypically a 5 volt square wave\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOutput\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe output can be selectable between either 8000 pulse per mile or 16000 pulse per mile\u003c\/li\u003e\n\u003cli\u003eOutputs a 12V square wave, 50% duty cycle\u003c\/li\u003e\n\u003cli\u003e8000 pulse per mile cruise control output\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eAdditional Benefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThree different calibration options\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstant: drive 30 MPH and press the calibration button\u003c\/p\u003e\n\u003cp\u003eReal-Time: press and the hold the calibration button to match the speedometer reading to the actual vehicle speed\u003c\/p\u003e\n\u003cp\u003eMarked Mile: Drive a measured mile to calibrate the speedometer\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInput signal can range from 2000-200,000 pulses per mile\u003c\/li\u003e\n\u003cli\u003eState of the art signal averaging software that ensures smooth pointer operation, even in fluctuating signal conditions.\u003c\/li\u003e\n\u003cli\u003eNoise-reducing, filtered power output for powered speedometer signal generators\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe SN74Z has the following features when used as a\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eTachometer interface\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eInput Source Options\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh Voltage Coil signal input source\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e.5-6 pulses per revolution (1-12 cylinder engine)\u003c\/p\u003e\n\u003cp\u003eTypically the negative side of an ignition coil\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5-12V Square Wave signal input source\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e.5-6 pulses per revolution (1-12 cylinder engine)\u003c\/p\u003e\n\u003cp\u003e20%-50% duty cycle\u003c\/p\u003e\n\u003cp\u003eTypically from an electronic ignition box or computer\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInductive Gear tooth sensor input source\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTypically used in diesel applications where there is not an ignition system\u003c\/p\u003e\n\u003cp\u003eThe sensor can be mounted to the engine near the flywheel to sense the gear teeth as they rotate by\u003c\/p\u003e\n\u003cp\u003eCan be used with 32-510 tooth flywheels, 32-510 pulses per revolution\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOutput\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSignal output\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e12V square wave, 50% duty cycle\u003c\/p\u003e\n\u003cp\u003e2, 3, or 4 pulses per revolution (4, 6, or 8 cylinder)\u003c\/p\u003e\n\u003cp\u003e3 preset flywheel tooth settings\u003c\/p\u003e\n\u003cp\u003e148 tooth – Chevy Duramax\u003c\/p\u003e\n\u003cp\u003e152 tooth – 5.9L Cummins\u003c\/p\u003e\n\u003cp\u003e155 tooth – 7.3L Ford Powerstroke\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFor more information please call 1-800-575-0461.\u003c\/p\u003e","brand":"Classic Instruments","offers":[{"title":"Default Title","offer_id":43325435609165,"sku":null,"price":150.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0255\/6667\/5021\/files\/0017627_sn74z_300.jpg?v=1785343793","url":"https:\/\/x-tremeauto.ca\/products\/classic-instruments-sn74z-speed-signal-interface","provider":"X-treme Auto ","version":"1.0","type":"link"}