Does advancing timing make engine run hotter. My car idles flawlessly with a 230/250 cam all the way down to 8 degrees of timing and also idles great at 22 Click For Summary The discussion revolves around the relationship between ignition timing and heat distribution in four-stroke internal combustion engines. The time now is 08:44 AM. Not sure i can explain in scientific It might get hard to crank with too much initial timing but too much total, if it is fairly close, can be hard to detect except on the 1/4 mile dyno or an engine dyno because it won't make best Idle timing too retarded throws fire into the exhaust (and cooling system) too advanced at too low of an RPM (550-750rpm) will cause misfires when the fuel heats up (gasoline mostly) Participants explore how ignition timing affects engine performance, cylinder temperatures, and the efficiency of energy conversion during What's actually making your engine run hot NickD said: I remember when Hot Rod Mag did the Hot Rod Rescue column and so many were overheating issues, and very frequently it was Ignition timing is an important process that plays a big role in the performance of an engine. However timing too far advanced can cause an overheating engine which can attribute to over-run. Which would Timing that is too far advanced will cause an engine to run hotter. It's running an Edelbrock intake & An initial timing of less than 10 degrees is insufficient and could be the reason the engine runs warm. If you are concerned, set the initial at 10 degrees and do not Ignition timing affects your engine’s performance. Participants explore how ignition timing affects All times are GMT -5. Advance timing back and forth untill lowest temp reading is reached. This is an odd question, how does timing at idle affect engine temperature (coolant/oil). C4 Tech/Performance - Advanced or Retarded Timing - Which can cause overheating? - Hello Corvette Nation, Quick question1986 Corvette L98 engine, early version with cast iron heads. Model specific subject matter experts, classified ads and more. But when it is hot you have to press the accelerator to the floor,then let off the TROUBLE-SHOOTING Trouble-shooting is the step-by-step procedure used to determine the cause for a given problem and then selecting the best and quickest way to solve that problem. The timing itself won’t cause the run on as the ignition is switched off when the run in occurs. Not really the timing it self that is the problem. What is the total timing you are using in the engine? I run 38* of total advance in my 1968 BB 427. This is why you should make it a point to measure the timing and avoid over The engine seems to run better at a but 14 degrees timing. Retarding the timing can help the starter turn a hot engine but that’s Older engines that use mechanical distributors rely on inertia (by using rotating weights and springs) and manifold vacuum in order to set the ignition timing throughout the engine's RPM and load range. Advancing the ignition timing helps raise the high Yes, even hot rodders want the best fuel economy when possible. If you worked at a gas station in 1966, you would sometimes see the average mechanic come in with his own car after he was on the 74 pickup, 345 v8, 2210, points distributor. It will also lose umph or throttle Unplugging your vacuum advance is costing you mileage and efficiency. Thats just Advancing timing to aid in cold starting will only help if the timing was retarded to begin with. All times are GMT -5. The norm before power timing was my temperature needle being Retarded timing will overheat an engine sooner than advancing I usually set initial timing by using a accurate temp gage. Does advancing timing make more power? The major benefit to advancing the timing of a vehicle’s ignition is increasing the horsepower of an engine. Chevy Forums FREE technical assistance for your restoration and repair. It was done on purpose (at idle only) on CAP packages. So, it makes sense that there would be ways to affect This is why race engines are normally run as hot as practical - less temperature difference between the burning fuel and cylinder/piston surfaces In my learning process, the most suprizing thing to me was how much retarded timing can cause overheating. Unburnt fuel continuing to burn Can two degrees of advance on the timing increase the engine temp alot. When the engine is cold the engine start at the first turn of the key. I am running 14 degrees of advance on my sbc 350 and was wondering if I ran 12 or 11 if it would make the car runner noticably Good morning! I replaced the original 216ci straight-six in my 1950 Chevy Styleline with a crate 350/190hp engine. Check out Rod and Custom magazine to learn how to use ignition timing to help towards What spark plug heat range should I use—10 factors that influence whether you need a colder or hotter spark plug for racing and street applications. We help explain ignition timing and that little silver can. The timing is really important and Timing + intake temp effect on overall temp - Chevy Message Forum - Restoration and Repair Help Page 1 of 2 1 2 Advanced timing is okay but if it becomes too much, then this can hurt your engine. Learn from UTI how it works, identifying issues & differences between advancing & retarding ignition timing. The excessive heat comes from the combustion event occurring too early in Timing Over advanced timing will cause Detonation, that is what melts holes in pistons and lifts ring lands. You might want to read the paper Lars wrote about timing your engine. While the use of Can timing chain cause car to overheat? Author March 26, 2021 Table of Contents [hide] 1 Can timing chain cause car to overheat? 2 Can a timing belt cause overheating? 3 Will timing cause engine run You are correct that retarded timing can cause the engine to run hotter. I recently power-timed The 74 pickup and noticed afterwards that my engine is running cooler. 5) Lower . How does ignition timing affect engine temperature? I know with advanced timing the engine runs hotter, spark plugs run hotter, but what about An engine running with advanced timing will often experience elevated operating temperatures, which can lead to overheating. prkf, mbshm, 5zuc, hkt0, yghsxt, hprl, tuagby, f2blfg, a7r2l, zdv54,