I still need to find a bellhousing so I can bench start the new engine. I even use it for bench starting fresh engines. It never fails to get me through the engine timing task. I have an Optima deep cycle (Yellow Top) I use for the power supply. The circuitry shuts them off after a few seconds, then you have to reset.Ī buddy of mine was trying a lawn tractor battery. I bought on of the little 18650 based lithium packs, but they don't stay hot very long. My jumper pack crapped itself and splooged battery acid all over a while back. It's been three years since killing a timing light. The trick I use is to use an auxiliary battery, not tied to the vw charging system and an inductive pickup. I just watch for the mech advance hit full advance and adjust from there. But it does have the timing advance feature. I was using the VW as a power supply.įor whatever reason, the charging circiut was causing the timing light burn out on the first try at timing the engine. an old Sears Penske, and three HF timing lights. However, I found out after burning up an Acton. You can't really go wrong with an old Sun timing light. I've been looking at eBay for some vintage Sun and Matco stuff, but they only have advance, not tach.ĭoes anybody make something of decent quality? Or should I give up on the all-in-one and get an old Sun? The latest rape van timing lights are just rebadged versions of those. None of those have consistently good reviews over time. I'm looking around and pretty much all we have are bottom feeder Chinese garbage, Innova, and Acton. To confirm it wasn't the car, I plugged in an ancient one, worked great. Now it shorts out the ignition when connected. I bought the high end Innova and it failed after like 5 uses (even though it's 3 years old. View original topic: Who sells an actual good quality timing light? How to Use a Dial-Back Timing Light ( :: View topic - Who sells an actual good quality timing light? Forumsįorum Index -> General/Chat -> Who sells an actual good quality timing light? The link below is just 1 of the many on dial back timing lights: If the 2 fella's with their heads in the dirt are wrong, so is a whole industry. These lights came out before the onset of computer controlled engines, before MSD multispark, before fuel injection. Again, all the dial back does is delay the light flash so you don't have to jump through hoops to set your timing. Guess what, they were the same all the way up to 55*. I've plotted the curves comparing a standard timing light (old SnapOn with a wire clip and no compensation dial) using the scale on my balancer, to a Craftsman dial back using the 0* mark on my timing tab. We've had this discussion before, a timing light is just a stroboscope. We aren't throwing rotor phasing in either. Not the idiosyncrasies of things wired and/or installed wrong. DIDN'T YOU? SURE.YOU DID!ĭave Dave Dave, is this a show of brilliance or baffling with BS? We are talking about points systems and the use of a dialback. Then, IF the two magnetic pickup wires are REVERSED, that phasing would change by 30 degrees, add both, as much as YOUR 60 degrees misalignment of rotor phase to firing position. IF the polarity on the pickup magnet is reversed from correct, expect 30 degrees misalignment. Live your delusions, you don't need the truth, you both know it all about Dial Back.Īnd, if either one of you had any hands-on experience as to why an analog magnetic pickup ignition would have a 30 to 60 degree phasing anomaly, you would know that approximately 30 degree misalignment comes in two things, and adds for goth. Amazing, decades of the way it actually works, and both of you are there, different holes in the ground, with your heads firmly stuck a mile down in those holes.Įver take a second of your know it all about Dial back life to actually plot the curve, both from the computer, and the Dial Back, and then, on an analog system?
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