Delta Lambda Fraternity - Zoom Chats

ZOOM_2021_05_05 Our first ever zoom where we discussed Torque ratio as a way of evaluating engines.
ZOOM_2021_05_12 We discuss some cool math tricks to use when evaluating dyno sheets
ZOOM_2021_05_19 We talk about having a deeper understanding of the Cam Card
ZOOM_2021_05_26 In this chat session we talked about matching the heads and intake to the engine as a function of “supply and demand”.
ZOOM_2021_06_02 In this chat session we talked about Piston Materials, Clearances and Thermal Coefficient of Expansion.
ZOOM_2021_06_09 In this chat session we talked about using Valve Lash and a tool for testing and tuning an engine.
ZOOM_2021_06_16 In this chat session we talked about tuning the Injection Phase Angle in your EFI System
ZOOM_2021_06_23 In this chat session Aaron White leads a discussion about Valve mass while Ben is away on vacation!
ZOOM_2021_06_30 In this chat session we talked about understanding crank triggers for EFI systems
ZOOM_2021_07_14 In this chat session we discussed Pressure Ratio
ZOOM_2021_07_21 In this chat session Lake Speed, Jr gave a presentation on Engine Oils!
ZOOM_2021_07_28 In this chat session we discussed Cylinder Head setups!
ZOOM_2021_08_04 In this chat session Lake Speed Jr. talked about piston rings.
ZOOM_2021_08_18 In this chat session we d discussed Port velocity and head efficiency
ZOOM_2021_08_25 In this chat session we discussed Port velocity and Head Efficiency (cont.)
ZOOM_2021_09_01 In this chat session we discussed more cylinder head issues.
ZOOM_2021_09_15 In this chat session we discussed understanding Racing Fuel and how to tune them!
ZOOM_2021_09_22 In this chat session we discussed water grains in the air.
ZOOM_2021_09_29 In this chat session Aaron White discusses OEM vs Holley EFI.
ZOOM_2021_10_13 In this chat session we discussed EFI Fuel Delivery Methods.
ZOOM_2021_10_20 In this chat session we discussed VVT Cams.
ZOOM_2021_10_27 In this chat session we discussed Valve Lift and Deflection vs RPM
ZOOM_2021_11_10 In this chat session we discussed the EPE Engine Test
ZOOM_2021_11_17 In this chat session we discussed Turbos and Boost vs Backpressure
ZOOM_2021_12_01 In this chat session we discussed honing blocks.
ZOOM_2021_12_15 In this chat session we discussed Post PRI Review and Cylinder bore materials
ZOOM_2022_01_05 In this session we discussed dyno tuning the Engine Performance Expo Engine and various Fuel Types and behaviors
ZOOM_2022_01_19 We discuss oil viscosity index and engine temps after the Engine Performance Expo
ZOOM_2022_01_26 We discuss Spark Plug heat Ranges and using Combustion Analysis for tuning CA-50 Values and also some Nitrous tuning tips.
ZOOM_2022_02_02 We discuss A detailed conversation about combustion chambers and their shapes
ZOOM_2022_02_09 We discuss Hydraulic Lifters, Gasket design and fastener performance
ZOOM_2022_02_16 Jon Kaase and Mark Cronquist help discuss Oil Pans and crankcase evacuation
ZOOM_2022_02_23 Aaron White leads leads discussion while Ben is out testing Robbies’ drag race car
ZOOM_2022_03_03 We discuss valve bounce and Spintron testing
ZOOM_2022_03_10 We discuss the new Ford Godzilla engine design
ZOOM_2022_03_30 We discussed how Cam overlap changes for engines with and without boost
ZOOM_2022_04_06 We discussed Camshaft materials and durations
ZOOM_2022_04_16 We discuss optimizing our Social Media platforms
ZOOM_2022_04_22 We discuss more social media topics plus crankshaft designs
ZOOM_2022_04_29 Randy Neal helps discuss crank balancing and Harmonic Dampers
ZOOM_2022_05_06 We discuss ways to improve the engine tuning by focusing on reducing cycle to cycle variations
ZOOM_2022_05_26 More discussions on the never ending topic of Valve Springs!
ZOOM_2022_06_02 We discuss the Spintron testing with the Sorceress ProMod engine
ZOOM_2022_06_09 One of our most popular zoom chats ever! We discuss Building relationships as part of our business model!
ZOOM_2022_06_16 We discuss optimizing our Social Media platforms.
ZOOM_2022_06_22 We discuss more Social Media and crankshaft designs
ZOOM_2022_06_29 Randy Neal helps discuss crank balancing and Harmonic Dampers
ZOOM_2022_07_06 We discuss cam testing on the Godzilla and techniques for Hardening parts like crankshafts
ZOOM_2022_07_13 We discuss supply chain impacts on business and also some ring technology
ZOOM_2022_07_28 We discuss Spinal Tap 2.0, more valve spring tech and some cool crankshaft stuff
ZOOM_2022_08_04 We held and in-depth discussion about port design, cross sectional area and torque per cubic inch
ZOOM_2022_08_11 Another terrific crankshaft discussion led by Randy Neal of CWT Balancers.
ZOOM_2022_09_01 Race weekend review and a discussion about dyno sheets and valve designs
ZOOM_2022_09_08 Brian Seibenick holds a data log review of racing Comp Eliminator at the Big Go in Indy!
ZOOM_2022_09_15 An in depth discussion about choosing engine combos based on torque requirements
ZOOM_2022_09_29 We held a terrific discussion about cam testing that ended up discussing water management through the engine!
ZOOM_2022_10_06 Nick Norris and Aaron White lead us through some details on connecting Rod and valve spring designs!
ZOOM_2022_11_10 We had an amazing discussion about fasteners hosted from P1 Manufacturing’s Aerospace grade facility with guests Kevin Feeney and Grant Brallier.
ZOOM_2022_11_24 We had a great time discussing Crankshaft counterweights, Oil control in wet versus dry sumps, combustion analysis, and driving a 1500 HP Stickshift Pontiac leMans in a snowstorm!
ZOOM_2022_12_01 First Look at Aaron White’s TK01 Spring design from Spin Testing
ZOOM_2022_12_15 We discuss the PRI show presentations, Spintron data and crankshaft damper designs
ZOOM_2022_12_22 We discuss the PRI show presentations, Spintron data and crankshaft damper designs
ZOOM_2022_12_28 We discuss using the Spintron to recreate the effect of gear changes on the stability of the Valve Train
ZOOM_2023_01_04 We discuss Drive By Wire Throttle Tuning, PID Tuning, Idle strategies and Cylinder Honing Processes and Techniques
ZOOM_2023_01_18 We discuss Development of a 283 Super Stock engine and lightly review the engine performance Expo
ZOOM_2023_01_25 Jon Kaase shared some interesting cylinder head tricks he’s learned over the years and the legendary Keith Dorton (our newest Delta Lambda member) joins the conversation to share some secrets of the old NASCAR cheaters!
ZOOM_2023_02_01 We discussed crankshaft and piston wrist pin designs, and a little more valve spring and combustion conversations took place!
ZOOM_2023_02_08 Dan Begle joins us for an in-depth and fascinating discussion of engine bearings!
ZOOM_2023_02_15 Our first discussion about combustion analysis. We also discussed market conditions for potential release of TK01 valve springs.
ZOOM_2023_02_22 We discussed ignition timing for big cams with lots of overlap, tuning for altitude and turbo control strategies.
ZOOM_2023_03_01 We learned about one of our new member’s background, talked about 3D printing rods, had some tuning discussions and looked at Spinal Tap 2.0 wrist pins
ZOOM_2023_03_08 We discuss combustion analysis and take a look at an NA version and a Supercharged version of the Engine Performance Expo 393″ LS data
ZOOM_2023_03_22 We discuss specialty materials used in rod bolts, connecting rods and other components.
ZOOM_2023_03_29 We discuss time management and taking care of our mental health at work.
ZOOM_2023_04_12 We discuss pinion angles for drag racing, driveshaft alignment, Hydrogen combustion advancements, and clutch management using spreadsheets and math!
ZOOM_2023_04_19 We discuss all the various way to find variations in engine combinations from parts to dyno configurations, balance issues and compression testing, etc
ZOOM_2023_04_26 We discussed a ton of different topics from driveshaft balance, dyno safety, social media, and what to do when your firmware updates fail!
ZOOM_2023_05_03 We discussed a forensic analysis of a broken valve spring with actual images from under the microscope!
ZOOM_2023_05_17 We discussed combustion pressures related to valve timing events.
ZOOM_2023_05_24 We discussed combustion pressures related to valve timing events more in depth a second time
ZOOM_2023_05_31 We Samir’s Big Block Turbo package and some ideas about making it create boost on the 2-step earlier.
ZOOM_2023_06_07 We discussed a number of great topics including the new NHRA FactoryX class, and reviewed a member’s race weekend struggles!
ZOOM_2023_06_14 Danielle Rickert from Titan Metallurgy presents material selection for motorsport applications.
ZOOM_2023_06_21 We take a look at actual combustion data from in-cylinder pressures and discuss Knock, Knock Intensity and define Sub-Critical, Critical, and Super-Critical Knock modes.
ZOOM_2023_06_28 We chat about port cross sections for lower speed engines and mach numbers at higher altitudes, plus understanding the combustion pressures at overlap…and a few other cool ideas for data acquisition systems!
ZOOM_2023_07_12 We chat about FactoryX testing and tuning, plus four link suspension tuning, radial tires and crank snout designs among other things!
ZOOM_2023_07_19 We chat about ways to improve the overall value of our group and also some valve spring tech, plus news of a new valve spring release to the public!
ZOOM_2023_07_26 Randy Neal presents about Harmonics and 2nd Order Vibrations
ZOOM_2023_08_02 We discuss tuning EFI systems for Intake Air temperature compensation, temp sensor placement, fuel economy strategies, and the new “EPIC” trade show presentation coming to this year’s PRI show.
ZOOM_2023_08_09 We had a guest presentation from Nimrod Luedescher of BDN Automotive in Hungary about race engine design, simulation and validation using combustion analysis.
ZOOM_2023_08_16 We had a great discussion about pistons around BDC with longer strokes, and talked about different ways to minimize piston rock, as well as some connecting rod design cases, etc
ZOOM_2023_08_23 We review the Advanced Valvetrain development course!
ZOOM_2023_08_30 We discuss some drag race chassis and 4-link stuff, camshaft school reviews and a lead up to the US Nationals and the debut of the new FactoryX Class!
ZOOM_2023_09_06 We review the big win at the US Nationals in INDY for the new Factory X Class! Great conversations about clutch management and ignition control for last minute changes.
ZOOM_2023_09_13 We had a great discussion about race suspension setup while reviewing some RacePak data logs and working through setup of math channels to help interpret the data.
ZOOM_2023_09_20 We had a great discussion from Ben’s hotel room in Dallas while he was testing the Factory X car and getting ready for the next NHRA race in Charlotte!
ZOOM_2023_09_27 We had a great discussion about reading spark plugs and much more!