OIL Temp vs Pressure - How do they Happen? Ed Smith w #Barryt from Ask Ed 50 #mechanicって動画が話題らしいぞ
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投稿したのが02/16 23:44で2864も再生されてるってすごいな
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In this episode of Ask Ed on Barry T's Garage, Ed Smith dives deep into essential engine building and troubleshooting questions from the community. The conversation covers a wide range of technical topics, from carburetor matching for various engine sizes to the intricacies of vintage Ford Y-blocks and crankshaft materials.
In this episode of Ask Ed on Barry T’s Garage, Ed Smith rips through a stack of real-world engine questions—from cast vs. steel crankshafts and bearing clearance theory to Arizona heat thermostat strategy, street nitrous that won’t wreck parts, and the behind-the-scenes logic that makes race engines so expensive.
Topics covered (with the “why” behind them):
Cast crankshaft vs. steel crankshaft — where each wins, and what actually fails first
Street vs. race: cast vs. steel cranks — matching crank type to rpm, load, and usage
Fuel economy run (1960s) — what mattered then, and what still matters now
Heat, thermostats, and plastic under the hood — why modern underhood temps are brutal
Practical nitrous for the street — how to add power without “cheap horsepower” mistakes
Oil temperature vs. oil pressure — how each is created, and what they really indicate
NASCAR engine trick: shimming bearings — what it’s trying to accomplish (and the tradeoffs)
Thermostat vs. Arizona heat — why “cooler is better” is often wrong
Indy 302 engine secret (Clint Brawner) — a killer small-block lesson in efficiency and rpm
Why a race engine is expensive — parts, machining, measuring, and failure-prevention labor
Why old engines take time and money — core condition, missing parts, and tolerance stack-up
Why a gear reduction starter — torque multiplication, hot-start reliability, header clearance
Check the engine before stabbing it in — what to verify on the stand to avoid rework
Bearing clearances control oil temp & pressure — the clearance/leakage/viscosity triangle
Bigger is worse: carb sizing tips — signal strength, atomization, throttle response, drivability
All show and never go: Y-block — common real-world pitfalls vs. how to make them live
409 ignition & spark plug fouling — mixture, heat range, timing, and why plugs tell the truth
“200 MPG” carburetor + Mel Larson — miracle claims vs. physics and proper testingCarburetor Matching: Ed explains how to select the right carburetor size (CFM) based on engine displacement and intended use, whether for a daily driver or high-performance street machine.
The Rare Ford 256 Y-Block: A look at one of the rarest Ford engines and why some enthusiasts choose unique powerplants for their custom builds, like a Falcon ute.
Engine Troubleshooting: Ed shares a story about a "gorgeous" Model A engine build that wouldn't start due to a simple oil pump drive shaft being just half an inch too long.
Crankshaft Materials: Understanding the trade-offs between cast iron and steel crankshafts, and when it's actually worth the investment to upgrade to steel.
The Power of Nitrous: Reflections on early experiences with nitrous oxide and its impact on engine performance and durability.
#Barryt #AskEd #EdSmith #EngineBuilding #OilPressure #OilTemperature #Crankshaft #Nitrous #Carburetor #Thermostat #NASCAR #Indy302 #SmallBlockFord #YBlock #409Chevy
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