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If i add timing will my afr go up or down

Web8 jan. 2024 · Acceleration should improve with each pass that uses more throttle (lower vacuum). Lets say say all runs start at 55 mph. Holding 14" of vacuum the car accelerates to 70 mph in 8 secs. Then at 12" of vacuum the car accelerates to 70 mph in 7 secs. Squeezing 10" of vacuum the car accelerates to 70 in 6.5 secs. Web25 jun. 2007 · Harleypingman. For our imperfect air-cooled V-twins, setting the A/F at 14 or 14.1 for cruising seems to work well to cool the engine w/o killing fuel economy. In order to meet EPA emissions, HD maps tend to set the A/F at higher numbers, 14.5 for example, and the SERT maps identify those as "red" cells meaning not to go any leaner, i.e. higher ...

Does timing affect AFR - Pelican Parts Forums

Web2 nov. 2016 · ok, so im going through each cam angle and tuning them out and im on 0 degrees still. I feel like my ignition timing is pretty low to avoid knocks. anything from 4" and less i have to have my afr at 13:1 or less and the timing is in the low 20's. anything above 25 degrees i start knocking from 5000 rpm and up. seems really low for a car than can … Web23 mei 2007 · Ignition timing for Methanol vs Gasoline2. My company has recently built a drag car that uses methanol fueling and high boost pressure. We are having some … food pantry bellevue ne https://piningwoodstudio.com

Symptoms of Retarded Ignition Timing It Still Runs

WebI'm coming from an SCT tuner where you can retard timing and add richness to the afr manually. I see you can retard timing with a Cobb but couldn't find if afr is adjustable. … Web17 apr. 2012 · I have been scanning today with HP tuners. I am running 15 degrees timing at wot and AFR of 11.6 with the VS cam & a 3.4 pulley - with no Knock Retard. I will be scanning at the track next week and tuning against ET's and Miles per hour. I will try to optimize the fuel and timing, but think I can probably move to a 3.2 or 3.3 pulley now … WebIn a situation where the ignition timing is retarded too far, the plugs ignite the fuel too late, allowing it insufficient time to burn completely. This causes a loss of power and poor fuel … food pantry big bear

Up and Down AFR - Holley Performance Products Forums

Category:By The Numbers: Tuning Fuel Injection with Air/Fuel Ratio

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If i add timing will my afr go up or down

Backfires when letting off throttle - High Performance Academy

http://xlforum.net/forums/archive/index.php/t-600240.html Web24 mei 2024 · Despite the rally in the past two weeks, Affirm stock has shed more than 75% of its value since 2024 started. Moreover, the Affirm stock value of $24.52 has been …

If i add timing will my afr go up or down

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Web28 nov. 2007 · Timing will make alot more power than AFR. If your car is happy at 10:1 then leave it there, the perfect AFR varies from setup to setup. 20 degree's of timing and as much boost as you can get away with should work well. Tyler Webb. 123.26mph on the Stock 7bolt. 1997 Eagle Talon TSi AWD Manual Nov 21, 2007 #7 turboglenn Proven … Web11 jun. 2024 · This test revealed that the AFR moved to 13.2:1 and power was down from the baseline but only slightly. Some tuners may then say – that engine wants a 12.9:1 AFR. Our version is that with that particular O 2 sensor that might be a correct statement.

Web6 jan. 2024 · While the engine warms up, we’re going to tweak the VE table to avoid overly rich and lean conditions, and adjust the IAC as above to bring the RPMs down to an idle … Web17 jul. 2015 · Generally, the more timing the engine will allow the better however when you turn up the boost your increasing cylinder pressures same goes for timing, more timing …

WebBest performance for most vehicles is in the 12.5:1 to 13:1 AFR range. Going too rich will have the opposite affect and decrease your performance. ACCELERATION: 12 AFR - … WebNo that’s wrong. Fix your VE table and get steady timing. Set a somewhat aggressive looking idle advance correction. My Miata idles at 14.6-14.8 running MS2 in batch mode …

Web23 aug. 2011 · I'm just starting to really learn how to tune, and I've read conflicting information on timings affect on AFR. Some stuff I've read says raising timing shouldn't …

Web15 apr. 2016 · Good time to duplicate runs with more or less timing (block vacuum advance for WOT runs. Later, fine tune you off idle and transition circuits by inserting small wire or by drilling. Again tinker with timing. You can go up and down on Power Valve numbers until you hit the sweet spot for throttle response at highway speeds. electic grease for wire connectorsWeb18 jul. 2024 · Inconsistent AFR & RPM Issues. 07-18-2024, 08:16 PM. I have a '67 Buick GS400 with (you guessed it) the 400 engine in it. I recently installed the Holley Sniper/HyperSpark combo and I'm having some issues. First, although I have the AFR set at: 14.4 idle, 14.0 cruise & WOT at 13.0, it randomly locks on 14.9 or 15 and the engine … electic heater disposal pennsylvaniaWeb2 okt. 2024 · AFR Control Air/Fuel Ratio (AFR) tuning is a form of engine tuning based on the weight of air and the weight of fuel. Different fuels have different weights and work best at different air/fuel ratios. The stoichiometric point is the AFR where all of the oxygen in the air burns with all of the fuel. electic cutout switch for foxbodyWeb15 dec. 2010 · The simple answer... no. The long answer... No, the air and fuel are drawn in on the intake stroke, the valves close and begin the compression stroke then the spark … electic great falls mt facebookhttp://forums.pelicanparts.com/911-930-turbo-super-charging-forum/723980-does-timing-affect-afr.html electic ins comWeb7 jul. 2024 · However, if the timing is advanced too far, it will cause an Engine Knock. What causes backfire on startup? Most motorcycles backfire on startup if they’re running rich, … food pantry blanchester ohioWeb20 apr. 2015 · If you add timing, be careful that any changes are reflected in the rest of the map/s so you don't create more issues. On a side note, road tuning is the best way to … electicity bill payment nizamabad