EricM9104 Posted May 17, 2009 Report Share Posted May 17, 2009 hey all... anyone know of any under $40? lol. could i just get a 6cyl tach and divide the readings by two and get rpm speed on a 3cyl? Quote 2015 Honda Civic LX 4dr | 24k miles Stock H/U and mids/highs Power Acoustik GW3-12" D2 Sub HiFonics BXX1200.1D @ 1ohm Random 2.5^3' dual ported box NVX LOC Stinger wiring throughout 1977 Chevy SWB Cammed 350 Dual exhaust Cheap Wish stereo Link to comment Share on other sites More sharing options...
97maxima Posted May 17, 2009 Report Share Posted May 17, 2009 umm i really dont think it matters, they read rpms and not how may cyl your car has Quote American Bass*DC Power Link to comment Share on other sites More sharing options...
DHFHades Posted May 17, 2009 Report Share Posted May 17, 2009 umm i really dont think it matters, they read rpms and not how may cyl your car has actually they read spark pulses from your coil, so you need to set it for the number of cylinders to get an rmp reading. which is why they have switches on them for 4/6/8 cylinders... Quote 1990 Jeep Cherokee 4X4 Pioneer DEH-P2900MP, Big 3 done in 1/0, 1 run 1/0 ran to amp DAT HF1000.1 #007 powering a DC lvl4 15 DAT HR 4085 prototype powering 2 Selenium 6s and 2 no name tweeters running active 1st place in AS3 @ Surf City Sound Off, 140.8 @ 45hz @ the headrest. rebuild coming soon to get a better score "I regard the brain as a computer which will stop working when its components fail. There is no heaven of afterlife for broken down computers; that is a fairy story for people who are afraid of the dark." Link to comment Share on other sites More sharing options...
white4d96 Posted May 17, 2009 Report Share Posted May 17, 2009 set it to six and i think the revs will be double what the gauge shows. Quote Too many projects, too little time... Link to comment Share on other sites More sharing options...
EricM9104 Posted May 17, 2009 Author Report Share Posted May 17, 2009 k cool thanks all Quote 2015 Honda Civic LX 4dr | 24k miles Stock H/U and mids/highs Power Acoustik GW3-12" D2 Sub HiFonics BXX1200.1D @ 1ohm Random 2.5^3' dual ported box NVX LOC Stinger wiring throughout 1977 Chevy SWB Cammed 350 Dual exhaust Cheap Wish stereo Link to comment Share on other sites More sharing options...
capalass23 Posted May 18, 2009 Report Share Posted May 18, 2009 it doesnt matter if u go to any after market parts store u dont have to by a tach for a certain amount of cylnders Quote 95 WAGON BUILD FEED BACK Link to comment Share on other sites More sharing options...
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