Customer reviews can be helpful when looking for answers concerning accuracy. So, you need to check each and every product before buying. The accuracy of some adjustable timing lights in the market differs from brand to brand. An ordinary inductive timing light cannot do that when the engine speed increases and the distributor keeps changing position. That realigns the Top Dead Center ( TDC) mark on the balancer with the markings on the front cover. Adjustable/advance timing lightĪn adjustable or advance timing light uses a microprocessor to delay a strobe at a selected degree. Some timing lights under this category also have an in-built tachometer to monitor RPMs and a dwell meter that allows you to effectively monitor the time it takes to charge the coil. Another feature that we can mention is the button or knob used for adjusting the light to indicate different RPMs. This type of timing light can be used to tune the engine of two cycles and four-cycle motors. Inductive timing light features a non-adjustable Xenon light. The following are the popular timing light types you will find in the market today: Inductive timing light You need to know your engine specifications and choose the best product, considering its brightness, accuracy, durability, and reliability. However, different types in the market can be so confusing.
Garage sales for $3 maybe? I have a Fluke 88 with a tach function. if you lack one on the dash a cheap tach/dwell meter works. You need the tach to check your max advance RPM and your idle RPM. You have a tach on the dash, no? It works.
Timing light tachometer manual#
Don't need anything else-including a manual for it. I've been using a Sunpro/actron CP7504 forever. Rather than dicking with it, ditch it on craigslist (like everybody else) and just get an ordinary, good, timing light. All the computerized stuff gets you nothing but a more difficult tool to use and one with a lot more things to go wrong. I avoid their stuff for a number of reasons-only buy it when I have to.Īside from a possible stiffy from having something labeled "snap-on" (but they didn't make it), i would say the thing is a bad idea. They lack some things when it comes to a being a good company to buy from. Snap on isn't providing a manual for download. The replacement part for what looked like the more likely problem point (the leads) is $155.
Timing light tachometer manuals#
a whole lot of people looking for manuals and a number of people having problems. Figure since the S marks 6 degrees prior to TDC (or after, I forget) then maybe the advance on the light needs to be set there? Does this sound right? Can this type of timing light be used on an airhead?Ĭlick to expand.I looked around a bit for manuals for that. If I change the advance the S moves up and down. Problem is, without really knowing how this particular timing light works, I am not sure if the readings I get are good or even interpretable. If I set advance to 6, the S lines up in the center of the hole and at ~3000 RPM the Z lines up in the center of the hole. With the light set at 0 advance, the timing marks are unreadable. I have a snap-on computerized timing light (MT 1261A) with tach/advance functions (I don't have the timing light manual, so I basically have no idea what I'm doing - I can at least get it hooked up and the light comes on).Īt idle (~1050 RPM) the light reads about 2100 RPM (twice what it should be).
Right now, I am checking the dynamic timing. I am taking care of a few maintenance items as I gradually get familiar with the machine.
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